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From: Moritz Bunkus <moritz@bunkus.org>
To: help Questions <matroska-users@lists.matroska.org>, Cellar list <cellar@ietf.org>
Date: Fri, 04 Jan 2019 14:36:13 +0100
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Subject: [Cellar] MKVToolNix v30.0.0 released
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Hey,

2019 is here along with the first release of MKVToolNix for the year,
v30.0.0. It's on the smaller side wrt. the number of user-visible
changes. It does contain a couple of usability enhancements for the
GUI, though, that folks will hopefully appreciate.

Nothing has changed for package managers since v29.0.0.

Here are the usual links:

=E2=80=A6to the source code: https://mkvtoolnix.download/source.html
=E2=80=A6to the binaries: https://mkvtoolnix.download/downloads.html

The Windows and macOS binaries as well as the Linux AppImage are
available already. The other Linux binaries are still being built and
will be available of the course of the next couple of hours.

Here are the NEWS since the previous release:

------------------------------------------------------------
# Version 30.0.0 "Interstellar" 2019-01-04

## New features and enhancements

* mkvextract: WAV extractor: mkvextract will now write W64 files instead of
  WAV files if the file name extension is `.w64` or if the final file size =
is
  bigger than 4 GB, the file size limit for WAV files. Implements #2458.
* MKVToolNix GUI: multiplexer: a new button was added next to the "destinat=
ion
  file" controls. Clicking it shows a menu with the ten most recently used
  output directories. Selecting one of them will change the destination file
  to the selected directory keeping the file name. Implements #2468.
* MKVToolNix GUI: multiplexer (preferences): the ten most recently used val=
ues
  for the "relative output directory" and "fixed output directory" settings
  are now saved. The corresponding settings have been changed into combo bo=
xes
  allowing quick access to those recent values.
* MKVToolNix GUI: multiplexer (preferences): the predefined split sizes and
  durations can now be customized in the preferences.
* MKVToolNix GUI: chapter editor: added an option in the "Chapter editor" m=
enu
  for appending chapters from an existing file to the currently open editor
  tab. Part of the implementation of #2439.
* MKVToolNix GUI: chapter editor: added an action in the context menu for
  copying the selected entry and all of its children to another open editor
  tab. Part of the implementation of #2439.

## Bug fixes

* mkvmerge: all files opened for writing will now be flushed once before
  they're closed. This ensures the operating system actually writes all cac=
hed
  data to disk preventing data loss in certain situations such as power
  outages or buggy drivers in combination with suspending the computer. Fix=
es
  #2469.
* mkvmerge: AAC: under certain conditions 8 channel audio files were taken =
for
  7 channel ones.
* MKVToolNix GUI: multiplexer: removing a file added as an "additional part"
  will no longer cause a crash. Fixes #2461.
* source code: fixed compilation with Boost 1.69.0 after API-breaking change
  to the `boost::tribool` class. Fixes #2460.
------------------------------------------------------------

Have fun :)

mosu


From nobody Sat Jan  5 08:43:55 2019
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From: Moritz Bunkus <moritz@bunkus.org>
To: help Questions <matroska-users@lists.matroska.org>, Cellar list <cellar@ietf.org>
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Subject: Re: [Cellar] MKVToolNix v30.1.0 released
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Hey,

due to an unfortunate bug in v30.0.0 that caused the GUI's chapter editor
to truncate Matroska/WebM files to a few KB, I have to release v30.1.0
today. This release also implements a workaround for dragging & dropping
not working on macOS with Qt 5.12 (due to a bug in Qt).

Nothing has changed for package managers since v29.0.0.

Here are the usual links:

=E2=80=A6to the source code: https://mkvtoolnix.download/source.html
=E2=80=A6to the binaries: https://mkvtoolnix.download/downloads.html

The Windows and macOS binaries as well as the Linux AppImage are
available already. The other Linux binaries are still being built and
will be available of the course of the next couple of hours.

Here are the NEWS since the previous release:

------------------------------------------------------------
# Version 30.1.0 "Forever And More" 2019-01-05

## Bug fixes

* build system: fixed building on non-UTF-8 locales. Fixes #2474.
* MKVToolNix GUI: multiplexer: implemented a workaround for drag & drop not
  working on macOS with Qt 5.12 due to a bug in Qt 5.12. Fixes #2472.
* MKVToolNix GUI: chapter editor: when opening a Matroska/WebM file that
  doesn't contain chapters and later saving chapters back to them, the edit=
or
  was truncating the file down to a couple of KB in size. This was a
  regression introduced with the implementation of #2439 in v30.0.0 Fixes
  #2476.
------------------------------------------------------------

Have fun :)

mosu


From nobody Mon Jan  7 13:15:09 2019
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Subject: [Cellar] AD Evaluation of draft-ietf-cellar-ebml-08.
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Hi,

This is my AD Evaluation of draft-ietf-cellar-ebml-08.

Thanks for this work. It's generally on the right track, but I have a =
number of comments that I would like to discuss prior progressing.

Thanks!

Ben.

*** Substantive Comments ***

- The Shepherd Report says "There are minor nits to be resolved (adding =
one RFC 2119 keyword and some <element>schema  attributes which are =
mentioned but not defined."

Do that comment still apply? To be clear, those are more than nits. =
Adding a 2119 keyword is substantive change that needs to be agreed to =
but the working group. Undefined attributes suggest that the draft is =
incomplete. If the comment is still accurate, then these need to be =
fixed prior to progressing the draft. If it is not accurate, then I ask =
the shepherd to please update the shepherd report.

- I'm a little surprised to see the draft describe EBML as a general =
purpose markup language format, as opposed to one designed to be used by =
Matroska and similar technologies. I suspect others will also be =
surprised during the IETF LC and IESG review. The review bar is higher =
for the IETF to recommend EBML as a general purpose markup language than =
it is to recommend it for specific purposes. I also note that the CELLAR =
charter talks about EBML in terms of being used by Matroska and FFV1.

Would it be acceptable to add some scoping language to the effect of =
"EBML is used by Matroska[citation] and FFV1[citation]. It MAY be used =
for use cases similar to those. The applicability of EBML for other use =
cases is beyond the scope of this document".

- There are several defined elements/attributes related to versioning, =
but I don't find an explanation of how they all work together. Please =
add a section describing versioning in general.

=C2=A72: Please use the newer boilerplate from RFC 8174.

=C2=A73: Can you offer guidance on the specific impacts of the mentioned =
attacks, and how to mitigate them? (If there is no way to mitigate an =
attack, it's okay to say that.)

=C2=A75: Please elaborate on how this is similar to UTF8. I assume this =
refers to using prefix bits to indicate the field length. UTF8 does that =
to maintain backwards compatibility with Ascii. What is the design =
motivation for using that approach for EBML, which I presume doesn't =
have such a requirement?

=C2=A75.3: "If the number of bits required for "VINT_DATA"
are less than the bit size of "VINT_DATA", then "VINT_DATA" SHOULD be
zero-padded to the left to a size that fits."

Why not MUST? What happens if this is violated?

=C2=A76:
- "The "VINT_DATA" component of the "Element ID" MUST
NOT be either defined or written as either all zero values or all one
values."
Why?

=C2=A78.7: "In this case, the "EBML Reader" should skip data
until a valid..."
Should that be a normative statement? If so, why should and not MUST?

=C2=A78.8: If the EBML reader does not interpret Binary Elements, why =
add them at all? What does interpret them? is the point that the EBML =
reader treats Binary Elements as opaque, and just hands them to the =
application?

=C2=A710.1.3: "NOT RECOMMENDED" seems overly strong, especially in light =
of the MAY in the first paragraph. Is the point to say "MUST NOT... =
except when the implementation needs to update an element without =
rewriting the entire document"?

=C2=A711: "An "EBML Document" consists of "EBML Elements" and MUST
NOT contain any data that is not part of an "EBML Element"."

That contradicts text in =C2=A78.7 that says you can do this in =
streaming use cases.

=C2=A713.1: "The "DocType"
value for an "EBML Document Type" SHOULD be unique and persistent."

What is the scope of uniqueness? How should it be achieved? Is there an =
expectation to register Document Types?  (Also, why not MUST)?

=C2=A713.1.4.1: Are there uniqueness requirements for name?

=C2=A713.1.4.2:
- The idea behind "path" needs elaboration. I'd like to see some =
high-level discussion of how you indicate where an element is allowed, =
and how you encode the structure. An example (local to the section) =
would be helpful.

=C2=A713.1.4.4:
- "The "minOccurs" value MUST be
equal to the "EBMLMinOccurrence" value of the "path"."

Why have both if they have to be the same? (Same question for =
=C2=A713.1.4.5)

=C2=A713.1.4.12:
- "If the "recurring" attribute
is not present then the "EBML Element" MUST be considered to NOT be
an "Identically Recurring Element"."

"be considered to" is vague for a MUST. What concrete action must =
implementations take in this case?

=C2=A713.1.6.2:
- It seems likely readers will confuse "type" with "data type". Would it =
be reasonable to call this "document-type" or something similar?

=C2=A713.1.10:
- Please state (and cite) which XML schema format is used here.

- Has the schema been mechanically verified?

=C2=A713.3.1:
- "The CRC value MUST be computed on a little
endian bitstream and MUST use little endian storage."

Please elaborate. Most elements have been big-endian so far. Do there =
have to be converted to calculate the CRC?

=C2=A715.1:
- "The numbers 0x3FFF and 0x4000 are RESERVED.", "The numbers 0x1FFFFF =
and 0x200000 are RESERVED.", and "The numbers 0xFFFFFFF and 0x1000000 =
are RESERVED."
What is the purpose of reserving them?

- "Four octet Element IDs whose lower three octets (as
encoded) would make printable 7-bit ASCII values may be allocated
only Specification Required."

Can you state a range or a list? Don't make IANA judge which values are =
printable.

=C2=A715.2:
- "The strings may be allocated according to
First Come First Served"

Is there a requirement to register them, or is this optional?




*** Editorial Comments and Nits ***

- General: The draft puts double quotes around every mention of terms =
that it defines. That is unconventional for IETF documents. I personally =
find that it makes the draft harder to read. I suggest quoting them on =
the first mention, then just capitalizing them in subsequent mentions.

- General (style comment): Please consider removing most instances of =
the word "considered". When the text says "X is considered to be equal =
to Y", that sounds like a weaker (and harder to read) statement than "X =
is equal to Y". Along the same lines, "considered" is rarely appropriate =
to use in a normative statement. For example, instead of saying =
"Implementations MUST consider X to be an error", it is better to state =
what concrete actions you expect the implementation to take when X =
occurs.

=C2=A73:

- The Security Considerations are required to be one of the last two =
sections in the body of the document (that is, before the references). =
More precisely, Security Considerations and IANA considerations should =
be the last two sections in the documents.


- first paragraph: Please expand CRC on first mention. (Which may or may =
not be this instance once the Security Considerations are moved to the =
proper place.)

=C2=A75.2: "The "VINT_MARKER" MUST be one bit in length and
contain a bit with a value of one."
That's really more of a definition or statement of fact than a normative =
requirement. Please consider replacing MUST with "is".

=C2=A75.3:
- "The bits required for the "VINT_WIDTH" and the
"VINT_MARKER" combined use one out of eight bits"
Consider "use one out of every eight bits"

=C2=A75.4, paragraph after first table: "Data encoded as a "Variable =
Size Integer" MAY be rendered at octet
lengths larger than needed to store the data."
Is that intended as permission, or a statement of fact? If the latter, =
then the normative keyword is not appropriate.

=C2=A76:
- "The "Element ID" MUST be encoded as a "Variable Size Integer"."
That seems like a definition. Consider s/MUST/is
- "MUST NOT be considered an error in the "EBML Document"."
"be considered" is vague for a normative requirement. What concrete =
action is being prohibited (or required)?

=C2=A77:
- "The "Element Data Size" itself MUST be encoded as a "Variable
Size Integer"."
Consider s/MUST/is

- 'Only "Master Elements" SHALL be "Unknown-Sized Elements".'
The use of "only" in normative statements can be ambiguous. In this case =
it can be read that non-master elements MUST NOT be of unknown size, or =
that the SHALL only applies to master elements, and there is no rule for =
non-master elements. Please consider formulating this as "MUST NOT".

- "For example, an "EBML Element" with an octet length of 127
MUST NOT be encoded in an "Element Data Size" encoding with a one
octet length."

Examples are not normative, therefore they should not include normative =
keywords.

=C2=A78.1: "Signed Integers MUST be stored with two=E2=80=99s
complement notation"
Please consider s/MUST/are

=C2=A710.1.2: "This method is only RECOMMENDED for reducing "Element =
Data" by a
single octet..."
Please avoid using "only" in normative requirements (see previous =
comment for explanation).

=C2=A711.1
- 'that uses an"EBMLVersion" of "1" MUST only contain "EBML Elements"'
Please avoid "only" on normative statements.

- last paragraph: Please consider dropping "All" from the beginning of =
each sentence.

=C2=A711.1:
- Is the concept of a file concrete (in the sense of a unit of =
persistent storage) or abstract (as in any stream of data)? I had =
assumed the latter, but with the different rules about data outside of =
EBML elements for "files" and "streaming applications", I am not so =
sure. If you mean "file" concretely, does there need to be additional =
text in this section describing the structure for streaming =
applications?

- "The "EBML Body" MUST consist
only of "EBML Elements""
Please avoid "only" on normative statements.
- 'what "EBML Elements"' (several occurances). s/what/which

=C2=A713.1:
- "one or many" (several times throughout draft): Should this be "one or =
more"? Some people do not tend to think of numbers like 2 or 3 as =
counting as "many".

- "An "EBML Schema" must be
expressed as well-formed XML."
Normative?

- "An "EBML Schema" MUST declare exactly one "EBML Element" at "Root
Level" (referred to as the "Root Element") that MUST occur exactly
once within an "EBML Document"."

The second "MUST" seems like a statement of fact.

- If an "EBML Schema"
adopts the "EBML Header Element" as-is, then it is not REQUIRED to
document that Element within the "EBML Schema"."

"REQUIRED" is not used normatively, and therefore should not be =
capitalized.

=C2=A713.1.1.2:
- "The "version" lists an incremental non-negative integer..."

I'm not sure what it means for a single integer to be "incremental". =
(But see substantive comment concerning versioning.)


=C2=A713.4.1.2:
- The ""*"", ""("" and "")"" symbols MUST be interpreted as they are
defined in the ABNF."
This _is_ the ABNF. Do you mean "as defined in RFC 5234?  Also, the =
normative MUST is not appropriate here; it's a matter of definition, not =
a normative requirement.

- "The "EBMLElementOccurrence" part is interpreted as an ABNF Variable
Repetition.

I don't understand what that means. There won't be ABNF in an actual =
schema, will there? (Same for "VariableParentOccurrence")

- ""EBML Elements" with "EBMLMinOccurrence" set to "1" that also have a
"default" value (see Section 13.1.4.8) declared are not REQUIRED to
be stored but are REQUIRED to be interpreted,"

Statement of fact?

=C2=A713.1.4.7
- The attribute is called "size" but defined to be "length". Why not =
call it length? (Or describe it as "size")?

=C2=A713.1.4.10:
- "A boolean to express if an "EBML Element" MAY be used as an "Unknown-
Sized Element""
Statement of fact.

=C2=A713.1.11: It would be helpful to have the example closer to the =
element descriptions. I suggesting putting this section before the =
schema section.

=C2=A713.1.13: Why is the material is this section separate from the =
range element description?


=C2=A713.1.14:
- "When a float value is represented textually in an "EBML Schema", such
as within a "default" or "range" value,..."

The examples only talk about ranges. Can there be an example for a =
default value?

=C2=A713.1.15:
- "In this case, the default value of the "Mandatory EBML
Element" MUST be interpreted by the "EBML Reader" although the "EBML
Element" is not present within its "Parent Element"."

I'm not sure the intent here. Is "interpreted" the correct word choice?

=C2=A713.3.2:
- "Used to void damaged data, to avoid unexpected behaviors
when using damaged data."

Comma splice.

=C2=A714
- "If a "Master Element" contains a "CRC-32 Element" that doesn=E2=80=99t
validate, then the "EBML Reader" MAY ignore all contained data except
for "Descendant Elements" which contain their own valid "CRC-32
Element"."

s/ ", which" / " that"

=C2=A715.1:
- "Values from 1 to 126 are to
be allocated according to RFC Required."

I suggest '... allocated according to the "RFC Required" policy.' (Note: =
This pattern occurs several times in the RFC considerations section.) =
Also, please cite 8126 on the first mention of each policy (or state in =
advance that all registration policies mentioned herein are defined in =
8126).

- "Numbers MAY be allocated within this range according to
Specification Required."
s/MAY/are




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Subject: [Cellar] FLAC Repository
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Hello All,

I wanted to float the idea again of the creation of a new more
centralized/obviously CELLAR affiliated repository for the continuation of
the work on FLAC.

This came up at the IETF meeting in 2017, where it was thought that moving
the work to date out of its current location on my personal github (
https://github.com/privatezero/flac_markdown) would facilitate
participation and visibility for the efforts. This should also allow a
little better management of permissions etc.

If there was consensus about this vis-a-vis name etc, I would be happy to
set this up.

All the best,
Andrew

--000000000000b9e74c057ef5b035
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<div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div>Hello All,</div><di=
v><br></div><div>I wanted to float the idea again of the creation of a new =
more centralized/obviously CELLAR affiliated repository for the continuatio=
n of the work on FLAC.<br></div><div><br></div><div>This came up at the IET=
F meeting in 2017, where it was thought that moving the work to date out of=
 its current location on my personal github (<a href=3D"https://github.com/=
privatezero/flac_markdown">https://github.com/privatezero/flac_markdown</a>=
) would facilitate participation and visibility for the efforts. This shoul=
d also allow a little better management of permissions etc.</div><div><br><=
/div><div>If there was consensus about this vis-a-vis name etc, I would be =
happy to set this up.</div><div><br></div><div>All the best,</div><div>Andr=
ew<br></div><div><br></div><div><br></div><div><br></div><div><br></div></d=
iv></div></div>

--000000000000b9e74c057ef5b035--


From nobody Tue Jan  8 09:34:58 2019
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From: Ashley Blewer <ashley.blewer@gmail.com>
Date: Tue, 8 Jan 2019 12:34:42 -0500
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+1, I agree with this. It is probably worth hitting up the FLAC listserv
with some reminders about this too, and keeping them up to date with the
work that happens here.

Ashley

On Tue, Jan 8, 2019 at 12:29 PM Andrew Weaver <theandrewjw@gmail.com> wrote:

> Hello All,
>
> I wanted to float the idea again of the creation of a new more
> centralized/obviously CELLAR affiliated repository for the continuation of
> the work on FLAC.
>
> This came up at the IETF meeting in 2017, where it was thought that moving
> the work to date out of its current location on my personal github (
> https://github.com/privatezero/flac_markdown) would facilitate
> participation and visibility for the efforts. This should also allow a
> little better management of permissions etc.
>
> If there was consensus about this vis-a-vis name etc, I would be happy to
> set this up.
>
> All the best,
> Andrew
>
>
>
>
> _______________________________________________
> Cellar mailing list
> Cellar@ietf.org
> https://www.ietf.org/mailman/listinfo/cellar
>

--000000000000600431057ef5c35e
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<div dir=3D"ltr"><div>+1, I agree with this. It is probably worth hitting u=
p the FLAC listserv with some reminders about this too, and keeping them up=
 to date with the work that happens here.</div><div><br></div><div>Ashley<b=
r></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr">On Tue, Jan 8=
, 2019 at 12:29 PM Andrew Weaver &lt;<a href=3D"mailto:theandrewjw@gmail.co=
m">theandrewjw@gmail.com</a>&gt; wrote:<br></div><blockquote class=3D"gmail=
_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204=
,204);padding-left:1ex"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr">=
<div>Hello All,</div><div><br></div><div>I wanted to float the idea again o=
f the creation of a new more centralized/obviously CELLAR affiliated reposi=
tory for the continuation of the work on FLAC.<br></div><div><br></div><div=
>This came up at the IETF meeting in 2017, where it was thought that moving=
 the work to date out of its current location on my personal github (<a hre=
f=3D"https://github.com/privatezero/flac_markdown" target=3D"_blank">https:=
//github.com/privatezero/flac_markdown</a>) would facilitate participation =
and visibility for the efforts. This should also allow a little better mana=
gement of permissions etc.</div><div><br></div><div>If there was consensus =
about this vis-a-vis name etc, I would be happy to set this up.</div><div><=
br></div><div>All the best,</div><div>Andrew<br></div><div><br></div><div><=
br></div><div><br></div><div><br></div></div></div></div>
_______________________________________________<br>
Cellar mailing list<br>
<a href=3D"mailto:Cellar@ietf.org" target=3D"_blank">Cellar@ietf.org</a><br=
>
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 target=3D"_blank">https://www.ietf.org/mailman/listinfo/cellar</a><br>
</blockquote></div>

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Subject: Re: [Cellar] FLAC Repository
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Uncertain if the IETF provides specific guidance with this, but I=E2=80=99=
m okay with the markdown work happening in either your repo or an =
organization account as long as the repo=E2=80=99s maintainer is active =
in the group and in the management of pull requests and issues. The =
working group data tracker is where official versioning will happen, so =
the github repo is a bit more behind the scenes.
Dave

> On Jan 8, 2019, at 12:34 PM, Ashley Blewer <ashley.blewer@gmail.com> =
wrote:
>=20
> +1, I agree with this. It is probably worth hitting up the FLAC =
listserv with some reminders about this too, and keeping them up to date =
with the work that happens here.
>=20
> Ashley
>=20
> On Tue, Jan 8, 2019 at 12:29 PM Andrew Weaver <theandrewjw@gmail.com =
<mailto:theandrewjw@gmail.com>> wrote:
> Hello All,
>=20
> I wanted to float the idea again of the creation of a new more =
centralized/obviously CELLAR affiliated repository for the continuation =
of the work on FLAC.
>=20
> This came up at the IETF meeting in 2017, where it was thought that =
moving the work to date out of its current location on my personal =
github (https://github.com/privatezero/flac_markdown =
<https://github.com/privatezero/flac_markdown>) would facilitate =
participation and visibility for the efforts. This should also allow a =
little better management of permissions etc.
>=20
> If there was consensus about this vis-a-vis name etc, I would be happy =
to set this up.
>=20
> All the best,
> Andrew
>=20
>=20
>=20
>=20
> _______________________________________________
> Cellar mailing list
> Cellar@ietf.org <mailto:Cellar@ietf.org>
> https://www.ietf.org/mailman/listinfo/cellar =
<https://www.ietf.org/mailman/listinfo/cellar>
> _______________________________________________
> Cellar mailing list
> Cellar@ietf.org
> https://www.ietf.org/mailman/listinfo/cellar


--Apple-Mail=_729A54C3-835A-40AC-A1F4-C18C90700128
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	charset=utf-8

<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" =
class=3D"">Uncertain if the IETF provides specific guidance with this, =
but I=E2=80=99m okay with the markdown work happening in either your =
repo or an organization account as long as the repo=E2=80=99s maintainer =
is active in the group and in the management of pull requests and =
issues. The working group data tracker is where official versioning will =
happen, so the github repo is a bit more behind the scenes.<div =
class=3D"">Dave<br class=3D""><div><br class=3D""><blockquote =
type=3D"cite" class=3D""><div class=3D"">On Jan 8, 2019, at 12:34 PM, =
Ashley Blewer &lt;<a href=3D"mailto:ashley.blewer@gmail.com" =
class=3D"">ashley.blewer@gmail.com</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><div dir=3D"ltr" =
class=3D""><div class=3D"">+1, I agree with this. It is probably worth =
hitting up the FLAC listserv with some reminders about this too, and =
keeping them up to date with the work that happens here.</div><div =
class=3D""><br class=3D""></div><div class=3D"">Ashley<br =
class=3D""></div></div><br class=3D""><div class=3D"gmail_quote"><div =
dir=3D"ltr" class=3D"">On Tue, Jan 8, 2019 at 12:29 PM Andrew Weaver =
&lt;<a href=3D"mailto:theandrewjw@gmail.com" =
class=3D"">theandrewjw@gmail.com</a>&gt; wrote:<br =
class=3D""></div><blockquote class=3D"gmail_quote" style=3D"margin:0px =
0px 0px 0.8ex;border-left:1px solid =
rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr" class=3D""><div =
dir=3D"ltr" class=3D""><div dir=3D"ltr" class=3D""><div class=3D"">Hello =
All,</div><div class=3D""><br class=3D""></div><div class=3D"">I wanted =
to float the idea again of the creation of a new more =
centralized/obviously CELLAR affiliated repository for the continuation =
of the work on FLAC.<br class=3D""></div><div class=3D""><br =
class=3D""></div><div class=3D"">This came up at the IETF meeting in =
2017, where it was thought that moving the work to date out of its =
current location on my personal github (<a =
href=3D"https://github.com/privatezero/flac_markdown" target=3D"_blank" =
class=3D"">https://github.com/privatezero/flac_markdown</a>) would =
facilitate participation and visibility for the efforts. This should =
also allow a little better management of permissions etc.</div><div =
class=3D""><br class=3D""></div><div class=3D"">If there was consensus =
about this vis-a-vis name etc, I would be happy to set this =
up.</div><div class=3D""><br class=3D""></div><div class=3D"">All the =
best,</div><div class=3D"">Andrew<br class=3D""></div><div class=3D""><br =
class=3D""></div><div class=3D""><br class=3D""></div><div class=3D""><br =
class=3D""></div><div class=3D""><br class=3D""></div></div></div></div>
_______________________________________________<br class=3D"">
Cellar mailing list<br class=3D"">
<a href=3D"mailto:Cellar@ietf.org" target=3D"_blank" =
class=3D"">Cellar@ietf.org</a><br class=3D"">
<a href=3D"https://www.ietf.org/mailman/listinfo/cellar" =
rel=3D"noreferrer" target=3D"_blank" =
class=3D"">https://www.ietf.org/mailman/listinfo/cellar</a><br class=3D"">=

</blockquote></div>
_______________________________________________<br class=3D"">Cellar =
mailing list<br class=3D""><a href=3D"mailto:Cellar@ietf.org" =
class=3D"">Cellar@ietf.org</a><br =
class=3D"">https://www.ietf.org/mailman/listinfo/cellar<br =
class=3D""></div></blockquote></div><br class=3D""></div></body></html>=

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From: Andrew Weaver <theandrewjw@gmail.com>
Date: Tue, 8 Jan 2019 11:35:51 -0800
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To: Dave Rice <dave@dericed.com>
Cc: Ashley Blewer <ashley.blewer@gmail.com>,  Codec Encoding for LossLess Archiving and Realtime transmission <cellar@ietf.org>
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Subject: Re: [Cellar] FLAC Repository
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With regards to maintaining the repo, I would be quite happy to continue
managing that along the lines of what you describe. Additionally I could
then invite the people who are currently 'collaborators' on the repo to
have ownership privileges. That feels to me a little bit more open and
democratic for the work rather than the current version where I have de
facto control.

On Tue, Jan 8, 2019 at 11:24 AM Dave Rice <dave@dericed.com> wrote:

> Uncertain if the IETF provides specific guidance with this, but I=E2=80=
=99m okay
> with the markdown work happening in either your repo or an organization
> account as long as the repo=E2=80=99s maintainer is active in the group a=
nd in the
> management of pull requests and issues. The working group data tracker is
> where official versioning will happen, so the github repo is a bit more
> behind the scenes.
> Dave
>
> On Jan 8, 2019, at 12:34 PM, Ashley Blewer <ashley.blewer@gmail.com>
> wrote:
>
> +1, I agree with this. It is probably worth hitting up the FLAC listserv
> with some reminders about this too, and keeping them up to date with the
> work that happens here.
>
> Ashley
>
> On Tue, Jan 8, 2019 at 12:29 PM Andrew Weaver <theandrewjw@gmail.com>
> wrote:
>
>> Hello All,
>>
>> I wanted to float the idea again of the creation of a new more
>> centralized/obviously CELLAR affiliated repository for the continuation =
of
>> the work on FLAC.
>>
>> This came up at the IETF meeting in 2017, where it was thought that
>> moving the work to date out of its current location on my personal githu=
b (
>> https://github.com/privatezero/flac_markdown) would facilitate
>> participation and visibility for the efforts. This should also allow a
>> little better management of permissions etc.
>>
>> If there was consensus about this vis-a-vis name etc, I would be happy t=
o
>> set this up.
>>
>> All the best,
>> Andrew
>>
>>
>>
>>
>> _______________________________________________
>> Cellar mailing list
>> Cellar@ietf.org
>> https://www.ietf.org/mailman/listinfo/cellar
>>
> _______________________________________________
> Cellar mailing list
> Cellar@ietf.org
> https://www.ietf.org/mailman/listinfo/cellar
>
>
>

--000000000000a2707d057ef77452
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<div dir=3D"ltr"><div>With regards to maintaining the repo, I would be quit=
e happy to continue managing that along the lines of what you describe. Add=
itionally I could then invite the people who are currently &#39;collaborato=
rs&#39; on the repo to have ownership privileges. That feels to me a little=
 bit more open and democratic for the work rather than the current version =
where I have de facto control.</div></div><br><div class=3D"gmail_quote"><d=
iv dir=3D"ltr">On Tue, Jan 8, 2019 at 11:24 AM Dave Rice &lt;<a href=3D"mai=
lto:dave@dericed.com">dave@dericed.com</a>&gt; wrote:<br></div><blockquote =
class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px sol=
id rgb(204,204,204);padding-left:1ex"><div style=3D"overflow-wrap: break-wo=
rd;">Uncertain if the IETF provides specific guidance with this, but I=E2=
=80=99m okay with the markdown work happening in either your repo or an org=
anization account as long as the repo=E2=80=99s maintainer is active in the=
 group and in the management of pull requests and issues. The working group=
 data tracker is where official versioning will happen, so the github repo =
is a bit more behind the scenes.<div>Dave<br><div><br><blockquote type=3D"c=
ite"><div>On Jan 8, 2019, at 12:34 PM, Ashley Blewer &lt;<a href=3D"mailto:=
ashley.blewer@gmail.com" target=3D"_blank">ashley.blewer@gmail.com</a>&gt; =
wrote:</div><br class=3D"gmail-m_3932471202104187882Apple-interchange-newli=
ne"><div><div dir=3D"ltr"><div>+1, I agree with this. It is probably worth =
hitting up the FLAC listserv with some reminders about this too, and keepin=
g them up to date with the work that happens here.</div><div><br></div><div=
>Ashley<br></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr">On T=
ue, Jan 8, 2019 at 12:29 PM Andrew Weaver &lt;<a href=3D"mailto:theandrewjw=
@gmail.com" target=3D"_blank">theandrewjw@gmail.com</a>&gt; wrote:<br></div=
><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border=
-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr"><div di=
r=3D"ltr"><div dir=3D"ltr"><div>Hello All,</div><div><br></div><div>I wante=
d to float the idea again of the creation of a new more centralized/obvious=
ly CELLAR affiliated repository for the continuation of the work on FLAC.<b=
r></div><div><br></div><div>This came up at the IETF meeting in 2017, where=
 it was thought that moving the work to date out of its current location on=
 my personal github (<a href=3D"https://github.com/privatezero/flac_markdow=
n" target=3D"_blank">https://github.com/privatezero/flac_markdown</a>) woul=
d facilitate participation and visibility for the efforts. This should also=
 allow a little better management of permissions etc.</div><div><br></div><=
div>If there was consensus about this vis-a-vis name etc, I would be happy =
to set this up.</div><div><br></div><div>All the best,</div><div>Andrew<br>=
</div><div><br></div><div><br></div><div><br></div><div><br></div></div></d=
iv></div>
_______________________________________________<br>
Cellar mailing list<br>
<a href=3D"mailto:Cellar@ietf.org" target=3D"_blank">Cellar@ietf.org</a><br=
>
<a href=3D"https://www.ietf.org/mailman/listinfo/cellar" rel=3D"noreferrer"=
 target=3D"_blank">https://www.ietf.org/mailman/listinfo/cellar</a><br>
</blockquote></div>
_______________________________________________<br>Cellar mailing list<br><=
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Subject: Re: [Cellar] FLAC Repository
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You could add a README.md that expresses that. I see some related =
boilerplate in this search: =
https://github.com/search?q=3Dietf+working+group+readme.md&type=3DCode =
<https://github.com/search?q=3Dietf+working+group+readme.md&type=3DCode>.
Dave

> On Jan 8, 2019, at 2:35 PM, Andrew Weaver <theandrewjw@gmail.com> =
wrote:
>=20
> With regards to maintaining the repo, I would be quite happy to =
continue managing that along the lines of what you describe. =
Additionally I could then invite the people who are currently =
'collaborators' on the repo to have ownership privileges. That feels to =
me a little bit more open and democratic for the work rather than the =
current version where I have de facto control.
>=20
> On Tue, Jan 8, 2019 at 11:24 AM Dave Rice <dave@dericed.com =
<mailto:dave@dericed.com>> wrote:
> Uncertain if the IETF provides specific guidance with this, but I=E2=80=99=
m okay with the markdown work happening in either your repo or an =
organization account as long as the repo=E2=80=99s maintainer is active =
in the group and in the management of pull requests and issues. The =
working group data tracker is where official versioning will happen, so =
the github repo is a bit more behind the scenes.
> Dave
>=20
>> On Jan 8, 2019, at 12:34 PM, Ashley Blewer <ashley.blewer@gmail.com =
<mailto:ashley.blewer@gmail.com>> wrote:
>>=20
>> +1, I agree with this. It is probably worth hitting up the FLAC =
listserv with some reminders about this too, and keeping them up to date =
with the work that happens here.
>>=20
>> Ashley
>>=20
>> On Tue, Jan 8, 2019 at 12:29 PM Andrew Weaver <theandrewjw@gmail.com =
<mailto:theandrewjw@gmail.com>> wrote:
>> Hello All,
>>=20
>> I wanted to float the idea again of the creation of a new more =
centralized/obviously CELLAR affiliated repository for the continuation =
of the work on FLAC.
>>=20
>> This came up at the IETF meeting in 2017, where it was thought that =
moving the work to date out of its current location on my personal =
github (https://github.com/privatezero/flac_markdown =
<https://github.com/privatezero/flac_markdown>) would facilitate =
participation and visibility for the efforts. This should also allow a =
little better management of permissions etc.
>>=20
>> If there was consensus about this vis-a-vis name etc, I would be =
happy to set this up.
>>=20
>> All the best,
>> Andrew
>>=20
>>=20
>>=20
>>=20
>> _______________________________________________
>> Cellar mailing list
>> Cellar@ietf.org <mailto:Cellar@ietf.org>
>> https://www.ietf.org/mailman/listinfo/cellar =
<https://www.ietf.org/mailman/listinfo/cellar>
>> _______________________________________________
>> Cellar mailing list
>> Cellar@ietf.org <mailto:Cellar@ietf.org>
>> https://www.ietf.org/mailman/listinfo/cellar =
<https://www.ietf.org/mailman/listinfo/cellar>
>=20
> _______________________________________________
> Cellar mailing list
> Cellar@ietf.org
> https://www.ietf.org/mailman/listinfo/cellar


--Apple-Mail=_F09E7B71-AC45-4A9D-8896-BA8CF39243AB
Content-Transfer-Encoding: quoted-printable
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	charset=utf-8

<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">You =
could add a README.md that expresses that. I see some related =
boilerplate in this search:&nbsp;<a =
href=3D"https://github.com/search?q=3Dietf+working+group+readme.md&amp;typ=
e=3DCode" =
class=3D"">https://github.com/search?q=3Dietf+working+group+readme.md&amp;=
type=3DCode</a>.<div class=3D"">Dave<br class=3D""><div><br =
class=3D""><blockquote type=3D"cite" class=3D""><div class=3D"">On Jan =
8, 2019, at 2:35 PM, Andrew Weaver &lt;<a =
href=3D"mailto:theandrewjw@gmail.com" =
class=3D"">theandrewjw@gmail.com</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><div dir=3D"ltr" =
class=3D""><div class=3D"">With regards to maintaining the repo, I would =
be quite happy to continue managing that along the lines of what you =
describe. Additionally I could then invite the people who are currently =
'collaborators' on the repo to have ownership privileges. That feels to =
me a little bit more open and democratic for the work rather than the =
current version where I have de facto control.</div></div><br =
class=3D""><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"">On =
Tue, Jan 8, 2019 at 11:24 AM Dave Rice &lt;<a =
href=3D"mailto:dave@dericed.com" class=3D"">dave@dericed.com</a>&gt; =
wrote:<br class=3D""></div><blockquote class=3D"gmail_quote" =
style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid =
rgb(204,204,204);padding-left:1ex"><div style=3D"overflow-wrap: =
break-word;" class=3D"">Uncertain if the IETF provides specific guidance =
with this, but I=E2=80=99m okay with the markdown work happening in =
either your repo or an organization account as long as the repo=E2=80=99s =
maintainer is active in the group and in the management of pull requests =
and issues. The working group data tracker is where official versioning =
will happen, so the github repo is a bit more behind the scenes.<div =
class=3D"">Dave<br class=3D""><div class=3D""><br class=3D""><blockquote =
type=3D"cite" class=3D""><div class=3D"">On Jan 8, 2019, at 12:34 PM, =
Ashley Blewer &lt;<a href=3D"mailto:ashley.blewer@gmail.com" =
target=3D"_blank" class=3D"">ashley.blewer@gmail.com</a>&gt; =
wrote:</div><br =
class=3D"gmail-m_3932471202104187882Apple-interchange-newline"><div =
class=3D""><div dir=3D"ltr" class=3D""><div class=3D"">+1, I agree with =
this. It is probably worth hitting up the FLAC listserv with some =
reminders about this too, and keeping them up to date with the work that =
happens here.</div><div class=3D""><br class=3D""></div><div =
class=3D"">Ashley<br class=3D""></div></div><br class=3D""><div =
class=3D"gmail_quote"><div dir=3D"ltr" class=3D"">On Tue, Jan 8, 2019 at =
12:29 PM Andrew Weaver &lt;<a href=3D"mailto:theandrewjw@gmail.com" =
target=3D"_blank" class=3D"">theandrewjw@gmail.com</a>&gt; wrote:<br =
class=3D""></div><blockquote class=3D"gmail_quote" style=3D"margin:0px =
0px 0px 0.8ex;border-left:1px solid =
rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr" class=3D""><div =
dir=3D"ltr" class=3D""><div dir=3D"ltr" class=3D""><div class=3D"">Hello =
All,</div><div class=3D""><br class=3D""></div><div class=3D"">I wanted =
to float the idea again of the creation of a new more =
centralized/obviously CELLAR affiliated repository for the continuation =
of the work on FLAC.<br class=3D""></div><div class=3D""><br =
class=3D""></div><div class=3D"">This came up at the IETF meeting in =
2017, where it was thought that moving the work to date out of its =
current location on my personal github (<a =
href=3D"https://github.com/privatezero/flac_markdown" target=3D"_blank" =
class=3D"">https://github.com/privatezero/flac_markdown</a>) would =
facilitate participation and visibility for the efforts. This should =
also allow a little better management of permissions etc.</div><div =
class=3D""><br class=3D""></div><div class=3D"">If there was consensus =
about this vis-a-vis name etc, I would be happy to set this =
up.</div><div class=3D""><br class=3D""></div><div class=3D"">All the =
best,</div><div class=3D"">Andrew<br class=3D""></div><div class=3D""><br =
class=3D""></div><div class=3D""><br class=3D""></div><div class=3D""><br =
class=3D""></div><div class=3D""><br class=3D""></div></div></div></div>
_______________________________________________<br class=3D"">
Cellar mailing list<br class=3D"">
<a href=3D"mailto:Cellar@ietf.org" target=3D"_blank" =
class=3D"">Cellar@ietf.org</a><br class=3D"">
<a href=3D"https://www.ietf.org/mailman/listinfo/cellar" =
rel=3D"noreferrer" target=3D"_blank" =
class=3D"">https://www.ietf.org/mailman/listinfo/cellar</a><br class=3D"">=

</blockquote></div>
_______________________________________________<br class=3D"">Cellar =
mailing list<br class=3D""><a href=3D"mailto:Cellar@ietf.org" =
target=3D"_blank" class=3D"">Cellar@ietf.org</a><br class=3D""><a =
href=3D"https://www.ietf.org/mailman/listinfo/cellar" target=3D"_blank" =
class=3D"">https://www.ietf.org/mailman/listinfo/cellar</a><br =
class=3D""></div></blockquote></div><br =
class=3D""></div></div></blockquote></div>
_______________________________________________<br class=3D"">Cellar =
mailing list<br class=3D""><a href=3D"mailto:Cellar@ietf.org" =
class=3D"">Cellar@ietf.org</a><br =
class=3D"">https://www.ietf.org/mailman/listinfo/cellar<br =
class=3D""></div></blockquote></div><br class=3D""></div></body></html>=

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Subject: Re: [Cellar] FLAC Repository
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--=-=-=
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Dave Rice <dave@dericed.com> wrote:
    > Uncertain if the IETF provides specific guidance with this, but I=E2=
=80=99m
    > okay with the markdown work happening in either your repo or an

The IETF now prefers the repos to be in an organization account.
    e.g:    ROLL has https://github.com/roll-wg
           ANIMA has https://github.com/anima-wg

We haven't created one for CELLAR, and to first order
   https://github.com/Matroska-Org

has provided this.    If the FLAC work just doesn't fit in for some reason I
can create a new org, but I don't see a pressing need.

BTW: I want to point a few internet drafts will expire this week, and
     it would be good to post refreshes this wek.

=2D-
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
 -=3D IPv6 IoT consulting =3D-




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Subject: Re: [Cellar] FLAC Repository
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Hi,

> On Jan 8, 2019, at 5:02 PM, Michael Richardson <mcr+ietf@sandelman.ca> =
wrote:
>=20
> Dave Rice <dave@dericed.com> wrote:
>> Uncertain if the IETF provides specific guidance with this, but I=E2=80=
=99m
>> okay with the markdown work happening in either your repo or an
>=20
> The IETF now prefers the repos to be in an organization account.
>    e.g:    ROLL has https://github.com/roll-wg
>           ANIMA has https://github.com/anima-wg
>=20
> We haven't created one for CELLAR, and to first order
>   https://github.com/Matroska-Org
>=20
> has provided this.    If the FLAC work just doesn't fit in for some =
reason I
> can create a new org, but I don't see a pressing need.

I=E2=80=99d prefer to have a https://github.com/cellar-wg =
<https://github.com/cellar-wg> organizational account to provide the =
appearance that the work is underway under the context of the IETF =
rather than the individuals or source communities that are hosting =
currently. That would allow Andrew to transfer the repository from his =
account to a shared one of the working group.

> BTW: I want to point a few internet drafts will expire this week, and
>     it would be good to post refreshes this wek.

I see this is happening with the Codec Mappings and Metadata Tags =
documents for Matroska. I=E2=80=99ll post updates before they expire. =
I=E2=80=99ll check on the FLAC output as well since that document had =
already expired.
Dave Rice=

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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" =
class=3D"">Hi,<br class=3D""><div><br class=3D""><blockquote type=3D"cite"=
 class=3D""><div class=3D"">On Jan 8, 2019, at 5:02 PM, Michael =
Richardson &lt;<a href=3D"mailto:mcr+ietf@sandelman.ca" =
class=3D"">mcr+ietf@sandelman.ca</a>&gt; wrote:</div><div class=3D""><div =
class=3D""><br class=3D"">Dave Rice &lt;<a =
href=3D"mailto:dave@dericed.com" class=3D"">dave@dericed.com</a>&gt; =
wrote:<br class=3D""><blockquote type=3D"cite" class=3D"">Uncertain if =
the IETF provides specific guidance with this, but I=E2=80=99m<br =
class=3D"">okay with the markdown work happening in either your repo or =
an<br class=3D""></blockquote><br class=3D"">The IETF now prefers the =
repos to be in an organization account.<br class=3D""> =
&nbsp;&nbsp;&nbsp;e.g: &nbsp;&nbsp;&nbsp;ROLL has <a =
href=3D"https://github.com/roll-wg" =
class=3D"">https://github.com/roll-wg</a><br class=3D""> =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ANIMA has <a =
href=3D"https://github.com/anima-wg" =
class=3D"">https://github.com/anima-wg</a><br class=3D""><br class=3D"">We=
 haven't created one for CELLAR, and to first order<br class=3D""> =
&nbsp;&nbsp;<a href=3D"https://github.com/Matroska-Org" =
class=3D"">https://github.com/Matroska-Org</a><br class=3D""><br =
class=3D"">has provided this. &nbsp;&nbsp;&nbsp;If the FLAC work just =
doesn't fit in for some reason I<br class=3D"">can create a new org, but =
I don't see a pressing need.<br =
class=3D""></div></div></blockquote><div><br class=3D""></div><div>I=E2=80=
=99d prefer to have a&nbsp;<a href=3D"https://github.com/cellar-wg" =
class=3D"">https://github.com/cellar-wg</a>&nbsp;organizational account =
to provide the appearance that the work is underway under the context of =
the IETF rather than the individuals or source communities that are =
hosting currently. That would allow Andrew to transfer the repository =
from his account to a shared one of the working group.</div><br =
class=3D""><blockquote type=3D"cite" class=3D""><div class=3D""><div =
class=3D"">BTW: I want to point a few internet drafts will expire this =
week, and<br class=3D""> &nbsp;&nbsp;&nbsp;&nbsp;it would be good to =
post refreshes this wek.<br class=3D""></div></div></blockquote><div><br =
class=3D""></div><div>I see this is happening with the Codec Mappings =
and Metadata Tags documents for Matroska. I=E2=80=99ll post updates =
before they expire. I=E2=80=99ll check on the FLAC output as well since =
that document had already expired.</div><div>Dave =
Rice</div></div></body></html>=

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Subject: Re: [Cellar] FLAC Repository
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Dave Rice wrote:

>I=E2=80=99d prefer to have a https://github.com/cellar-wg
>organizational account to provide the appearance that the
>work is underway under the context of the IETF rather than
>the individuals or source communities that are hosting
>currently.

+1

Best regards, Reto


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From: Andrew Weaver <theandrewjw@gmail.com>
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+1 to Dave's suggestions as well (both for repository and development of
the README to include more IETF project info).

Best,
Andrew

On Wed, Jan 9, 2019 at 9:45 AM Reto Kromer <lists@reto.ch> wrote:

> Dave Rice wrote:
>
> >I=E2=80=99d prefer to have a https://github.com/cellar-wg
> >organizational account to provide the appearance that the
> >work is underway under the context of the IETF rather than
> >the individuals or source communities that are hosting
> >currently.
>
> +1
>
> Best regards, Reto
>
> _______________________________________________
> Cellar mailing list
> Cellar@ietf.org
> https://www.ietf.org/mailman/listinfo/cellar
>

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<div dir=3D"ltr"><div>+1 to Dave&#39;s suggestions as well (both for reposi=
tory and development of the README to include more IETF project info).<br><=
/div><div><br></div><div>Best,</div><div>Andrew<br></div></div><br><div cla=
ss=3D"gmail_quote"><div dir=3D"ltr">On Wed, Jan 9, 2019 at 9:45 AM Reto Kro=
mer &lt;<a href=3D"mailto:lists@reto.ch">lists@reto.ch</a>&gt; wrote:<br></=
div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;bor=
der-left:1px solid rgb(204,204,204);padding-left:1ex">Dave Rice wrote:<br>
<br>
&gt;I=E2=80=99d prefer to have a <a href=3D"https://github.com/cellar-wg" r=
el=3D"noreferrer" target=3D"_blank">https://github.com/cellar-wg</a><br>
&gt;organizational account to provide the appearance that the<br>
&gt;work is underway under the context of the IETF rather than<br>
&gt;the individuals or source communities that are hosting<br>
&gt;currently.<br>
<br>
+1<br>
<br>
Best regards, Reto<br>
<br>
_______________________________________________<br>
Cellar mailing list<br>
<a href=3D"mailto:Cellar@ietf.org" target=3D"_blank">Cellar@ietf.org</a><br=
>
<a href=3D"https://www.ietf.org/mailman/listinfo/cellar" rel=3D"noreferrer"=
 target=3D"_blank">https://www.ietf.org/mailman/listinfo/cellar</a><br>
</blockquote></div>

--00000000000000623e057f0b09e0--


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Subject: [Cellar] CELLAR-WG organization created on GITHUB
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--=-=-=
Content-Type: text/plain


https://github.com/cellar-wg now exists.

I've invited a few people whose github IDs I could find easily, but
I'm sure that there are another 6-8 that should be invited.

Please unicast github ID to me.

Repos can be moved to the organization, or forked into the organization,
please send me a list: I don't want to surprise anyone.

--
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
 -= IPv6 IoT consulting =-




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From: Andrew Weaver <theandrewjw@gmail.com>
Date: Wed, 9 Jan 2019 14:28:27 -0800
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Subject: Re: [Cellar] FLAC Repository
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Quick follow-up, the repository containing the work to date on converting
FLAC to Markdown has been transferred to the new cellar-wg repository.
Thanks for creating that Michael!

Best,
Andrew

On Wed, Jan 9, 2019 at 10:57 AM Andrew Weaver <theandrewjw@gmail.com> wrote=
:

> +1 to Dave's suggestions as well (both for repository and development of
> the README to include more IETF project info).
>
> Best,
> Andrew
>
> On Wed, Jan 9, 2019 at 9:45 AM Reto Kromer <lists@reto.ch> wrote:
>
>> Dave Rice wrote:
>>
>> >I=E2=80=99d prefer to have a https://github.com/cellar-wg
>> >organizational account to provide the appearance that the
>> >work is underway under the context of the IETF rather than
>> >the individuals or source communities that are hosting
>> >currently.
>>
>> +1
>>
>> Best regards, Reto
>>
>> _______________________________________________
>> Cellar mailing list
>> Cellar@ietf.org
>> https://www.ietf.org/mailman/listinfo/cellar
>>
>

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<div dir=3D"ltr"><div>Quick follow-up, the repository containing the work t=
o date on converting FLAC to Markdown has been transferred to the new cella=
r-wg repository. Thanks for creating that Michael!</div><div><br></div><div=
>Best,</div><div>Andrew<br></div></div><br><div class=3D"gmail_quote"><div =
dir=3D"ltr">On Wed, Jan 9, 2019 at 10:57 AM Andrew Weaver &lt;<a href=3D"ma=
ilto:theandrewjw@gmail.com">theandrewjw@gmail.com</a>&gt; wrote:<br></div><=
blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-l=
eft:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr"><div>+1 t=
o Dave&#39;s suggestions as well (both for repository and development of th=
e README to include more IETF project info).<br></div><div><br></div><div>B=
est,</div><div>Andrew<br></div></div><br><div class=3D"gmail_quote"><div di=
r=3D"ltr">On Wed, Jan 9, 2019 at 9:45 AM Reto Kromer &lt;<a href=3D"mailto:=
lists@reto.ch" target=3D"_blank">lists@reto.ch</a>&gt; wrote:<br></div><blo=
ckquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left=
:1px solid rgb(204,204,204);padding-left:1ex">Dave Rice wrote:<br>
<br>
&gt;I=E2=80=99d prefer to have a <a href=3D"https://github.com/cellar-wg" r=
el=3D"noreferrer" target=3D"_blank">https://github.com/cellar-wg</a><br>
&gt;organizational account to provide the appearance that the<br>
&gt;work is underway under the context of the IETF rather than<br>
&gt;the individuals or source communities that are hosting<br>
&gt;currently.<br>
<br>
+1<br>
<br>
Best regards, Reto<br>
<br>
_______________________________________________<br>
Cellar mailing list<br>
<a href=3D"mailto:Cellar@ietf.org" target=3D"_blank">Cellar@ietf.org</a><br=
>
<a href=3D"https://www.ietf.org/mailman/listinfo/cellar" rel=3D"noreferrer"=
 target=3D"_blank">https://www.ietf.org/mailman/listinfo/cellar</a><br>
</blockquote></div>
</blockquote></div>

--000000000000c5a05e057f0dfbc2--


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Andrew Weaver wrote:

>Quick follow-up, the repository containing the work to date on
>converting FLAC to Markdown has been transferred to the new
>cellar-wg repository.

Thank you very much indeed, Andrew! Reto



From nobody Thu Jan 10 05:49:09 2019
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Codec Encoding for LossLess Archiving and Realtime transmission WG of the IETF.

        Title           : Matroska Codec
        Authors         : Steve Lhomme
                          Moritz Bunkus
                          Dave Rice
	Filename        : draft-ietf-cellar-codec-01.txt
	Pages           : 45
	Date            : 2019-01-10

Abstract:
   This document defines the Matroska codec mappings, including the
   codec ID, layout of data in a "Block Element" and in an optional
   "CodecPrivate Element".


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-cellar-codec/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-cellar-codec-01
https://datatracker.ietf.org/doc/html/draft-ietf-cellar-codec-01

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-cellar-codec-01


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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Codec Encoding for LossLess Archiving and Realtime transmission WG of the IETF.

        Title           : Matroska Tags
        Authors         : Steve Lhomme
                          Moritz Bunkus
                          Dave Rice
	Filename        : draft-ietf-cellar-tags-01.txt
	Pages           : 20
	Date            : 2019-01-10

Abstract:
   This document defines the Matroska tags, namely the tag names and
   their respective semantic meaning.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-cellar-tags/

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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Codec Encoding for LossLess Archiving and Realtime transmission WG of the IETF.

        Title           : Matroska Specifications
        Authors         : Steve Lhomme
                          Moritz Bunkus
                          Dave Rice
	Filename        : draft-ietf-cellar-matroska-02.txt
	Pages           : 167
	Date            : 2019-01-10

Abstract:
   This document defines the Matroska audiovisual container, including
   definitions of its structural elements, as well as its terminology,
   vocabulary, and application.


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Subject: Re: [Cellar] FLAC Repository
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Hi Michael, Tim,

> On Jan 9, 2019, at 11:49 AM, Dave Rice <dave@dericed.com> wrote:
>=20
>> BTW: I want to point a few internet drafts will expire this week, and
>>     it would be good to post refreshes this wek.
>=20
> I see this is happening with the Codec Mappings and Metadata Tags =
documents for Matroska. I=E2=80=99ll post updates before they expire. =
I=E2=80=99ll check on the FLAC output as well since that document had =
already expired.

New Matroska documents are posted at:
https://datatracker.ietf.org/doc/draft-ietf-cellar-matroska/
https://datatracker.ietf.org/doc/draft-ietf-cellar-tags/
https://datatracker.ietf.org/doc/draft-ietf-cellar-codec/

The FLAC document is expired at =
https://datatracker.ietf.org/doc/draft-xiph-cellar-flac/.
I tried to post an update, but get an error since it was never approved =
and I don=E2=80=99t have access to the full submission url. I think this =
happened since within the document no one in the working group is listed =
as an author and the two listed authors, J. Coalson and Xiph.Org =
Foundation, aren=E2=80=99t listed within the document by email.

When I try to access the submission of draft-xiph-cellar-flac-01 I get =
this error but no contact.
> You are not allowed to modify or cancel this submission. You can only =
modify or cancel this submission from the same URL you were redirected =
to after the submission.
> If you are the submitter check your browser history to find this URL. =
You can share it with any person you need.
> If you are one of the authors you can request the URL from which you =
can modify or cancel this submission by clicking the next button. An =
email will then be sent to the authors and submitter (if submitter email =
was entered): .

Thus far, Andrew Weaver, has contributed the most of the document beyond =
what J. Coalson and Xiph have done. Perhaps Andrew should add himself as =
a co-author so that we can submit this more easily in the future.

Tim,
See the paragraphs above regarding xiph, is there an xiph author email =
that we can use in this document.

Also one way around the error with draft-xiph-cellar-flac-01 may be that =
I submit the current state of the document as draft-ietf-cellar-flac-00 =
if it=E2=80=99s fair to upgrade this to a working group document.
Dave=

--Apple-Mail=_47CF53C9-1533-4AE4-B194-FA4247A045CA
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">Hi =
Michael, Tim,<br class=3D""><div><br class=3D""><blockquote type=3D"cite" =
class=3D""><div class=3D"">On Jan 9, 2019, at 11:49 AM, Dave Rice &lt;<a =
href=3D"mailto:dave@dericed.com" class=3D"">dave@dericed.com</a>&gt; =
wrote:</div><br class=3D"Apple-interchange-newline"><div class=3D""><div =
class=3D"" style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; =
line-break: after-white-space;"><div class=3D""><blockquote type=3D"cite" =
class=3D"" style=3D"font-family: Helvetica; font-size: 12px; font-style: =
normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
normal; orphans: auto; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; widows: auto; word-spacing: =
0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; =
text-decoration: none;"><div class=3D""><div class=3D"">BTW: I want to =
point a few internet drafts will expire this week, and<br =
class=3D"">&nbsp;&nbsp;&nbsp;&nbsp;it would be good to post refreshes =
this wek.<br class=3D""></div></div></blockquote><div =
style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
12px; font-style: normal; font-variant-caps: normal; font-weight: =
normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><br =
class=3D""></div><div style=3D"caret-color: rgb(0, 0, 0); font-family: =
Helvetica; font-size: 12px; font-style: normal; font-variant-caps: =
normal; font-weight: normal; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
none;" class=3D"">I see this is happening with the Codec Mappings and =
Metadata Tags documents for Matroska. I=E2=80=99ll post updates before =
they expire. I=E2=80=99ll check on the FLAC output as well since that =
document had already expired.</div></div></div></div></blockquote><br =
class=3D""></div><div>New Matroska documents are posted at:</div><div><a =
href=3D"https://datatracker.ietf.org/doc/draft-ietf-cellar-matroska/" =
class=3D"">https://datatracker.ietf.org/doc/draft-ietf-cellar-matroska/</a=
></div><div><a =
href=3D"https://datatracker.ietf.org/doc/draft-ietf-cellar-tags/" =
class=3D"">https://datatracker.ietf.org/doc/draft-ietf-cellar-tags/</a></d=
iv><div><a =
href=3D"https://datatracker.ietf.org/doc/draft-ietf-cellar-codec/" =
class=3D"">https://datatracker.ietf.org/doc/draft-ietf-cellar-codec/</a></=
div><div><br class=3D""></div><div>The FLAC document is expired =
at&nbsp;<a =
href=3D"https://datatracker.ietf.org/doc/draft-xiph-cellar-flac/" =
class=3D"">https://datatracker.ietf.org/doc/draft-xiph-cellar-flac/</a>.</=
div><div>I tried to post an update, but get an error since it was never =
approved and I don=E2=80=99t have access to the full submission url. I =
think this happened since within the document no one in the working =
group is listed as an author and the two listed authors,&nbsp;J. Coalson =
and&nbsp;<a href=3D"http://Xiph.Org" class=3D"">Xiph.Org</a> Foundation, =
aren=E2=80=99t listed within the document by email.</div><div><br =
class=3D""></div><div>When I try to access the submission of =
draft-xiph-cellar-flac-01 I get this error but no =
contact.</div><div></div><blockquote type=3D"cite" class=3D""><div>You =
are not allowed to modify or cancel this submission. You can only modify =
or cancel this submission from the same&nbsp;URL you were redirected to =
after the submission.<br class=3D"">If you are the submitter check your =
browser history to find this URL. You can share it with any person you =
need.<br class=3D"">If you are one of the authors you can request the =
URL from which you can modify or cancel this submission by =
clicking&nbsp;the next button. An email will then be sent to the authors =
and submitter (if submitter email was entered): =
.</div></blockquote><div><br class=3D""></div><div>Thus far, Andrew =
Weaver, has contributed the most of the document beyond what J. Coalson =
and Xiph have done. Perhaps Andrew should add himself as a co-author so =
that we can submit this more easily in the future.</div><div><br =
class=3D""></div><div>Tim,</div><div>See the paragraphs above regarding =
xiph, is there an xiph author email that we can use in this =
document.</div><br class=3D""><div class=3D"">Also one way around the =
error with&nbsp;draft-xiph-cellar-flac-01 may be that I submit the =
current state of the document as&nbsp;draft-ietf-cellar-flac-00 if =
it=E2=80=99s fair to upgrade this to a working group document.</div><div =
class=3D"">Dave</div></body></html>=

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From nobody Thu Jan 10 08:56:05 2019
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Subject: Re: [Cellar] [FFmpeg/FFV1] update to xml2rfc v3 (#135)
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--=-=-=
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Michael Niedermayer <notifications@github.com> wrote:
    mcr>     Yes, we moved to v3, which is not perhaps widely available yet.

    > yeah, and we also wrote in the README that xml2rfc 2.5.1 is
    > sufficient. You know we write that in the README in the VERY same pull
    > req that adds the requirement of v3. Maybe iam missing something and
    > surely my statement is a bit blunt but that combination does not look
    > ok to me

    >             xml2rfc: error: no such option: --v3 Makefile:12: recipe
    > for target

Hi, I wonder if you are getting the right version of xml2rfc?
Could you have more than one installed?
Dave, any comments?

    > I think some possibly dumb question, is there a requirement to depend
    > on v3 fo IETF texts ?  I mean can we just stay compatible with v2 ? or
    > is that adding workload to us. I do not want to add some extra workload
    > on every future change, that would be bad too.

We made the decision to move to v3 because:
  a) we have math in the document which v3 does a really nice job on.
  b) because its useful for the IETF to have someone clueful trying v3.

That was on the list about a month ago.

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Subject: Re: [Cellar] FLAC Repository
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Dave Rice <dave@dericed.com> wrote:
    > The FLAC document is expired at
    > https://datatracker.ietf.org/doc/draft-xiph-cellar-flac/.  I tried to
    > post an update, but get an error since it was never approved and I
    > don=E2=80=99t have access to the full submission url. I think this ha=
ppened
    > since within the document no one in the working group is listed as an
    > author and the two listed authors, J. Coalson and Xiph.Org Foundation,
    > aren=E2=80=99t listed within the document by email.

So, basically the new authors and old authors have none in common, so
it gets rejected and nobody who can respond to the approval email.
Can you forward the email you got directly?

Please just upload it with a new name, i.e:
       draft-rice-cellar-flac

and I'll mark it as replacing xiph-cellar-flac.

=2D-
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
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To: Michael Richardson <mcr+ietf@sandelman.ca>
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Subject: Re: [Cellar] [FFmpeg/FFV1] update to xml2rfc v3 (#135)
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> On Jan 10, 2019, at 11:55 AM, Michael Richardson =
<mcr+ietf@sandelman.ca> wrote:
>=20
>=20
> Michael Niedermayer <notifications@github.com> wrote:
>    mcr>     Yes, we moved to v3, which is not perhaps widely available =
yet.
>=20
>> yeah, and we also wrote in the README that xml2rfc 2.5.1 is
>> sufficient. You know we write that in the README in the VERY same =
pull
>> req that adds the requirement of v3. Maybe iam missing something and
>> surely my statement is a bit blunt but that combination does not look
>> ok to me
>=20
>>            xml2rfc: error: no such option: --v3 Makefile:12: recipe
>> for target
>=20
> Hi, I wonder if you are getting the right version of xml2rfc?
> Could you have more than one installed?
> Dave, any comments?

The build works for me with the mmark and xml2rfc noted in the pull =
request. On my system I get. With the older xml2rfc and mmark, the make =
process would fail.

$mmark -version
2.0.7

$xml2rfc -V
xml2rfc 2.12.3

>> I think some possibly dumb question, is there a requirement to depend
>> on v3 fo IETF texts ?  I mean can we just stay compatible with v2 ? =
or
>> is that adding workload to us. I do not want to add some extra =
workload
>> on every future change, that would be bad too.
>=20
> We made the decision to move to v3 because:
>  a) we have math in the document which v3 does a really nice job on.
>  b) because its useful for the IETF to have someone clueful trying v3.
>=20
> That was on the list about a month ago.


I reviewed the comments in https://github.com/FFmpeg/FFV1/pull/135 and =
here=E2=80=99s a summary of my considerations.

The currently head of the repo requires mmark version 1.3.4 and xml2rfc =
2.5.1, while the PR requires mmark version 2.0.7, xml2rfc 2.12.3. IMHO =
using more recent releases is preferred but I understand the argument =
that recent releases may not have been well disseminated through all =
package repositories yet.

The makefile process doesn=E2=80=99t fail gracefully. There is no =
versioning check of the dependencies so if the Makefile of the PR is run =
with the older versions of mmark or xml2rfc, it will fail. I think this =
is an issue but independent to the PR since the issue is the same with =
or without the PR.

The PR adds dependencies with xmlstarlet and pdfcrop. This is a =
disadvantage for the PR as the make process is more complex; however the =
advantage is that we can use v3 and have better representations of the =
equations rather than the ascii art version. Also the RFC outputs that =
support equations can supersede the custom PDF output that we had been =
using so a lot of the lines we were managing that were output specific =
can be removed so that the source document is simplified.

Also the makefile could certainly be improved and I=E2=80=99d wish I =
could contribute better to it; however the Makefiles in the cellar =
repositories are my first efforts at writing Makefiles and I=E2=80=99m =
not sure how to efficiently add version checks and tests to the =
Makefile. At any rate, with or without the PR the issues of whether the =
Makefile fails gracefully are the same.

Best Regards,
Dave Rice



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Subject: Re: [Cellar] FLAC Repository
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Hi Michael,

> On Jan 10, 2019, at 12:01 PM, Michael Richardson =
<mcr+ietf@sandelman.ca> wrote:
>=20
> Dave Rice <dave@dericed.com> wrote:
>> The FLAC document is expired at
>> https://datatracker.ietf.org/doc/draft-xiph-cellar-flac/.  I tried to
>> post an update, but get an error since it was never approved and I
>> don=E2=80=99t have access to the full submission url. I think this =
happened
>> since within the document no one in the working group is listed as an
>> author and the two listed authors, J. Coalson and Xiph.Org =
Foundation,
>> aren=E2=80=99t listed within the document by email.
>=20
> So, basically the new authors and old authors have none in common, so
> it gets rejected and nobody who can respond to the approval email.
> Can you forward the email you got directly?

I never received an email since I=E2=80=99m not an author, no author =
emails were listed in the document. I was only the submitted and my =
contributions to the document were more about formatting than authoring.

> Please just upload it with a new name, i.e:
>       draft-rice-cellar-flac
>=20
> and I'll mark it as replacing xiph-cellar-flac.

Should I restart the versioning to 00 in that case?
Dave Rice=


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Subject: Re: [Cellar] FLAC Repository
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Dave Rice <dave@dericed.com> wrote:
    >> Dave Rice <dave@dericed.com> wrote:
    >>> The FLAC document is expired at
    >>> https://datatracker.ietf.org/doc/draft-xiph-cellar-flac/.  I tried =
to
    >>> post an update, but get an error since it was never approved and I
    >>> don=E2=80=99t have access to the full submission url. I think this =
happened
    >>> since within the document no one in the working group is listed as =
an
    >>> author and the two listed authors, J. Coalson and Xiph.Org
    >>> Foundation, aren=E2=80=99t listed within the document by email.
    >>
    >> So, basically the new authors and old authors have none in common, so
    >> it gets rejected and nobody who can respond to the approval email.
    >> Can you forward the email you got directly?

    > I never received an email since I=E2=80=99m not an author, no author =
emails
    > were listed in the document. I was only the submitted and my
    > contributions to the document were more about formatting than
    > authoring.

    >> Please just upload it with a new name, i.e: draft-rice-cellar-flac
    >>
    >> and I'll mark it as replacing xiph-cellar-flac.

    > Should I restart the versioning to 00 in that case?

Yes.



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Subject: Re: [Cellar] [FFmpeg/FFV1] update to xml2rfc v3 (#135)
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Hi

On Thu, Jan 10, 2019 at 12:07:13PM -0500, Dave Rice wrote:
>=20
>=20
> > On Jan 10, 2019, at 11:55 AM, Michael Richardson <mcr+ietf@sandelman.ca=
> wrote:
> >=20
> >=20
> > Michael Niedermayer <notifications@github.com> wrote:
> >    mcr>     Yes, we moved to v3, which is not perhaps widely available =
yet.
> >=20
> >> yeah, and we also wrote in the README that xml2rfc 2.5.1 is
> >> sufficient. You know we write that in the README in the VERY same pull
> >> req that adds the requirement of v3. Maybe iam missing something and
> >> surely my statement is a bit blunt but that combination does not look
> >> ok to me
> >=20
> >>            xml2rfc: error: no such option: --v3 Makefile:12: recipe
> >> for target
> >=20
> > Hi, I wonder if you are getting the right version of xml2rfc?
> > Could you have more than one installed?
> > Dave, any comments?
>=20
> The build works for me with the mmark and xml2rfc noted in the pull reque=
st. On my system I get. With the older xml2rfc and mmark, the make process =
would fail.
>=20
> $mmark -version
> 2.0.7
>=20
> $xml2rfc -V
> xml2rfc 2.12.3

ok, lets try again (iam a bit pretending to be a average contributor which
is who this should work for IMO)

mmark was 1.3+ on the new box i tried it on, ive upgraded it to the latest =
available
on any ubuntu next

mmark --version
1.3.6
This is the latest version on any ubuntu release:
https://packages.ubuntu.com/search?keywords=3Dmmark&searchon=3Dnames
Its also the latest debian packages
https://packages.debian.org/search?keywords=3Dmmark
so this is likely what a lot of people will try it with

but that fails still being too old

now how to semi cleanly install latest xml2rfc and mmark 2.0.7 for the next=
 try:

virtualenv ffv1build --python=3Dpython3
=2E ffv1build/bin/activate
export PATH=3D~/ffv1build/bin:$PATH
pip install xml2rfc
cd ~/ffv1build/bin
wget https://github.com/mmarkdown/mmark/releases/download/v2.0.7/mmark_2.0.=
7_linux_amd64.tgz
tar -xzvf mmark_2.0.7_linux_amd64.tgz
sha256sum mmark
87b2dacfe9b68ac30c56affe031925424d2215a91016b8e55266f72c80b9fadd  mmark

and drumroll ... still fails and its not obvious what tool fails


RFC rendering has been tested with mmark version 2.0.7, xml2rfc 2.12.3, xml=
starlet 1.6.1, pdfcrop v1.38, and pdf2svg 0.2.3, please ensure these are in=
stalled and recent enough.
bash makesvg
PDFCROP 1.38, 2012/11/02 - Copyright (c) 2002-2012 by Heiko Oberdiek.
=3D=3D> 1 page written on `context.svg_cropped.pdf'.
PDFCROP 1.38, 2012/11/02 - Copyright (c) 2002-2012 by Heiko Oberdiek.
=3D=3D> 1 page written on `quantizationtablesets.svg_cropped.pdf'.
PDFCROP 1.38, 2012/11/02 - Copyright (c) 2002-2012 by Heiko Oberdiek.
=3D=3D> 1 page written on `rgb1.svg_cropped.pdf'.
PDFCROP 1.38, 2012/11/02 - Copyright (c) 2002-2012 by Heiko Oberdiek.
=3D=3D> 1 page written on `rgb2.svg_cropped.pdf'.
PDFCROP 1.38, 2012/11/02 - Copyright (c) 2002-2012 by Heiko Oberdiek.
=3D=3D> 1 page written on `samplediff.svg_cropped.pdf'.
PDFCROP 1.38, 2012/11/02 - Copyright (c) 2002-2012 by Heiko Oberdiek.
=3D=3D> 1 page written on `rangebinaryvalues1.svg_cropped.pdf'.
PDFCROP 1.38, 2012/11/02 - Copyright (c) 2002-2012 by Heiko Oberdiek.
=3D=3D> 1 page written on `rangebinaryvalues2.svg_cropped.pdf'.
PDFCROP 1.38, 2012/11/02 - Copyright (c) 2002-2012 by Heiko Oberdiek.
=3D=3D> 1 page written on `rangebinaryvalues3.svg_cropped.pdf'.
PDFCROP 1.38, 2012/11/02 - Copyright (c) 2002-2012 by Heiko Oberdiek.
=3D=3D> 1 page written on `rangebinaryvalues4.svg_cropped.pdf'.
PDFCROP 1.38, 2012/11/02 - Copyright (c) 2002-2012 by Heiko Oberdiek.
=3D=3D> 1 page written on `rangebinaryvalues5.svg_cropped.pdf'.
PDFCROP 1.38, 2012/11/02 - Copyright (c) 2002-2012 by Heiko Oberdiek.
=3D=3D> 1 page written on `rangebinaryvalues6.svg_cropped.pdf'.
PDFCROP 1.38, 2012/11/02 - Copyright (c) 2002-2012 by Heiko Oberdiek.
=3D=3D> 1 page written on `rangebinaryvalues7.svg_cropped.pdf'.
PDFCROP 1.38, 2012/11/02 - Copyright (c) 2002-2012 by Heiko Oberdiek.
=3D=3D> 1 page written on `statetransitiontable1.svg_cropped.pdf'.
PDFCROP 1.38, 2012/11/02 - Copyright (c) 2002-2012 by Heiko Oberdiek.
=3D=3D> 1 page written on `statetransitiontable2.svg_cropped.pdf'.
PDFCROP 1.38, 2012/11/02 - Copyright (c) 2002-2012 by Heiko Oberdiek.
=3D=3D> 1 page written on `initialstatedelta1.svg_cropped.pdf'.
PDFCROP 1.38, 2012/11/02 - Copyright (c) 2002-2012 by Heiko Oberdiek.
=3D=3D> 1 page written on `initialstatedelta2.svg_cropped.pdf'.
cat rfc_frontmatter.md "ffv1.md" rfc_backmatter.md | grep -v "^RFC:" | grep=
 -v "^SVGC" | grep -v "{V4}" | sed "s|^RFC:||g;s|{V3}||g;s|SVGI:||g" > merg=
ed_rfchtml.md
mmark merged_rfchtml.md | xmlstarlet edit --delete '//postal|//uri' | sed '=
s|alt=3D"alt"|type=3D"svg"|g' > draft-ietf-cellar-ffv1-06.xml
xml2rfc --html --v3 draft-ietf-cellar-ffv1-06.xml -o "draft-ietf-cellar-ffv=
1-06.html"
Parsing file draft-ietf-cellar-ffv1-06.xml
draft-ietf-cellar-ffv1-06.xml(242): Error: Did not expect element artwork t=
here, at /rfc/middle/section[3]/section[4]/t[2]/artwork
draft-ietf-cellar-ffv1-06.xml(250): Error: Did not expect element artwork t=
here, at /rfc/middle/section[3]/section[5]/t[2]/artwork
draft-ietf-cellar-ffv1-06.xml(302): Error: Did not expect element artwork t=
here, at /rfc/middle/section[3]/section[7]/section[2]/t[4]/artwork
draft-ietf-cellar-ffv1-06.xml(306): Error: Did not expect element artwork t=
here, at /rfc/middle/section[3]/section[7]/section[2]/t[6]/artwork
draft-ietf-cellar-ffv1-06.xml(327): Error: Did not expect element artwork t=
here, at /rfc/middle/section[3]/section[8]/t[2]/artwork
draft-ietf-cellar-ffv1-06.xml(336): Error: Did not expect element artwork t=
here, at /rfc/middle/section[3]/section[8]/section[1]/section[1]/t[2]/artwo=
rk
draft-ietf-cellar-ffv1-06.xml(339): Error: Did not expect element artwork t=
here, at /rfc/middle/section[3]/section[8]/section[1]/section[1]/t[3]/artwo=
rk
draft-ietf-cellar-ffv1-06.xml(342): Error: Did not expect element artwork t=
here, at /rfc/middle/section[3]/section[8]/section[1]/section[1]/t[4]/artwo=
rk
draft-ietf-cellar-ffv1-06.xml(345): Error: Did not expect element artwork t=
here, at /rfc/middle/section[3]/section[8]/section[1]/section[1]/t[5]/artwo=
rk
draft-ietf-cellar-ffv1-06.xml(348): Error: Did not expect element artwork t=
here, at /rfc/middle/section[3]/section[8]/section[1]/section[1]/t[6]/artwo=
rk
draft-ietf-cellar-ffv1-06.xml(351): Error: Did not expect element artwork t=
here, at /rfc/middle/section[3]/section[8]/section[1]/section[1]/t[7]/artwo=
rk
draft-ietf-cellar-ffv1-06.xml(354): Error: Did not expect element artwork t=
here, at /rfc/middle/section[3]/section[8]/section[1]/section[1]/t[8]/artwo=
rk
draft-ietf-cellar-ffv1-06.xml(410): Error: Did not expect element artwork t=
here, at /rfc/middle/section[3]/section[8]/section[1]/section[4]/t[1]/artwo=
rk
draft-ietf-cellar-ffv1-06.xml(413): Error: Did not expect element artwork t=
here, at /rfc/middle/section[3]/section[8]/section[1]/section[4]/t[2]/artwo=
rk
draft-ietf-cellar-ffv1-06.xml(988): Error: Did not expect element artwork t=
here, at /rfc/middle/section[4]/section[1]/section[15]/t[2]/artwork
draft-ietf-cellar-ffv1-06.xml(991): Error: Did not expect element artwork t=
here, at /rfc/middle/section[4]/section[1]/section[15]/t[3]/artwork
draft-ietf-cellar-ffv1-06.xml(3): Error: Invalid document before running pr=
eptool.
Cannot continue, quitting now
Makefile:12: recipe for target 'draft-ietf-cellar-ffv1-06.html' failed
make: *** [draft-ietf-cellar-ffv1-06.html] Error 1



=46rom this failure how can one know which tool needs to be upgraded ?
assuming it is a tool version issue




>=20
> >> I think some possibly dumb question, is there a requirement to depend
> >> on v3 fo IETF texts ?  I mean can we just stay compatible with v2 ? or
> >> is that adding workload to us. I do not want to add some extra workload
> >> on every future change, that would be bad too.
> >=20
> > We made the decision to move to v3 because:
> >  a) we have math in the document which v3 does a really nice job on.
> >  b) because its useful for the IETF to have someone clueful trying v3.
> >=20
> > That was on the list about a month ago.
>=20
>=20
> I reviewed the comments in https://github.com/FFmpeg/FFV1/pull/135 and he=
re=E2=80=99s a summary of my considerations.
>=20
> The currently head of the repo requires mmark version 1.3.4 and xml2rfc 2=
=2E5.1, while the PR requires mmark version 2.0.7, xml2rfc 2.12.3. IMHO usi=
ng more recent releases is preferred but I understand the argument that rec=
ent releases may not have been well disseminated through all package reposi=
tories yet.
>=20

> The makefile process doesn=E2=80=99t fail gracefully. There is no version=
ing check of the dependencies so if the Makefile of the PR is run with the =
older versions of mmark or xml2rfc, it will fail. I think this is an issue =
but independent to the PR since the issue is the same with or without the P=
R.

Because existing distros are more likely to have recent enough versions
prior to the pr the chance of hitting this bug should be higher after the pr
so the PR makes this worse

btw thanks for your efforts to push this forward

[...]
--=20
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Those who are best at talking, realize last or never when they are wrong.

--aVD9QWMuhilNxW9f
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--aVD9QWMuhilNxW9f--


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From: Andrew Weaver <theandrewjw@gmail.com>
Date: Thu, 10 Jan 2019 13:09:14 -0800
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To: Codec Encoding for LossLess Archiving and Realtime transmission <cellar@ietf.org>
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Subject: Re: [Cellar] FLAC Repository
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Hi all,

New FLAC documents have been posted at:
https://datatracker.ietf.org/doc/draft-weaver-cellar-flac/

Best,
Andrew

On Thu, Jan 10, 2019 at 9:20 AM Michael Richardson <mcr@sandelman.ca> wrote=
:

>
> Dave Rice <dave@dericed.com> wrote:
>     >> Dave Rice <dave@dericed.com> wrote:
>     >>> The FLAC document is expired at
>     >>> https://datatracker.ietf.org/doc/draft-xiph-cellar-flac/.  I
> tried to
>     >>> post an update, but get an error since it was never approved and =
I
>     >>> don=E2=80=99t have access to the full submission url. I think thi=
s happened
>     >>> since within the document no one in the working group is listed a=
s
> an
>     >>> author and the two listed authors, J. Coalson and Xiph.Org
>     >>> Foundation, aren=E2=80=99t listed within the document by email.
>     >>
>     >> So, basically the new authors and old authors have none in common,
> so
>     >> it gets rejected and nobody who can respond to the approval email.
>     >> Can you forward the email you got directly?
>
>     > I never received an email since I=E2=80=99m not an author, no autho=
r emails
>     > were listed in the document. I was only the submitted and my
>     > contributions to the document were more about formatting than
>     > authoring.
>
>     >> Please just upload it with a new name, i.e: draft-rice-cellar-flac
>     >>
>     >> and I'll mark it as replacing xiph-cellar-flac.
>
>     > Should I restart the versioning to 00 in that case?
>
> Yes.
>
>
> _______________________________________________
> Cellar mailing list
> Cellar@ietf.org
> https://www.ietf.org/mailman/listinfo/cellar
>

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<div dir=3D"ltr"><div dir=3D"ltr"><div>Hi all,</div><div><br></div><div>New=
 FLAC documents have been posted at: <a href=3D"https://datatracker.ietf.or=
g/doc/draft-weaver-cellar-flac/">https://datatracker.ietf.org/doc/draft-wea=
ver-cellar-flac/</a></div><div><br></div><div>Best,</div><div>Andrew<br></d=
iv></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr">On Thu, Jan =
10, 2019 at 9:20 AM Michael Richardson &lt;<a href=3D"mailto:mcr@sandelman.=
ca">mcr@sandelman.ca</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quo=
te" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204=
);padding-left:1ex"><br>
Dave Rice &lt;<a href=3D"mailto:dave@dericed.com" target=3D"_blank">dave@de=
riced.com</a>&gt; wrote:<br>
=C2=A0 =C2=A0 &gt;&gt; Dave Rice &lt;<a href=3D"mailto:dave@dericed.com" ta=
rget=3D"_blank">dave@dericed.com</a>&gt; wrote:<br>
=C2=A0 =C2=A0 &gt;&gt;&gt; The FLAC document is expired at<br>
=C2=A0 =C2=A0 &gt;&gt;&gt; <a href=3D"https://datatracker.ietf.org/doc/draf=
t-xiph-cellar-flac/" rel=3D"noreferrer" target=3D"_blank">https://datatrack=
er.ietf.org/doc/draft-xiph-cellar-flac/</a>.=C2=A0 I tried to<br>
=C2=A0 =C2=A0 &gt;&gt;&gt; post an update, but get an error since it was ne=
ver approved and I<br>
=C2=A0 =C2=A0 &gt;&gt;&gt; don=E2=80=99t have access to the full submission=
 url. I think this happened<br>
=C2=A0 =C2=A0 &gt;&gt;&gt; since within the document no one in the working =
group is listed as an<br>
=C2=A0 =C2=A0 &gt;&gt;&gt; author and the two listed authors, J. Coalson an=
d Xiph.Org<br>
=C2=A0 =C2=A0 &gt;&gt;&gt; Foundation, aren=E2=80=99t listed within the doc=
ument by email.<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; So, basically the new authors and old authors have n=
one in common, so<br>
=C2=A0 =C2=A0 &gt;&gt; it gets rejected and nobody who can respond to the a=
pproval email.<br>
=C2=A0 =C2=A0 &gt;&gt; Can you forward the email you got directly?<br>
<br>
=C2=A0 =C2=A0 &gt; I never received an email since I=E2=80=99m not an autho=
r, no author emails<br>
=C2=A0 =C2=A0 &gt; were listed in the document. I was only the submitted an=
d my<br>
=C2=A0 =C2=A0 &gt; contributions to the document were more about formatting=
 than<br>
=C2=A0 =C2=A0 &gt; authoring.<br>
<br>
=C2=A0 =C2=A0 &gt;&gt; Please just upload it with a new name, i.e: draft-ri=
ce-cellar-flac<br>
=C2=A0 =C2=A0 &gt;&gt;<br>
=C2=A0 =C2=A0 &gt;&gt; and I&#39;ll mark it as replacing xiph-cellar-flac.<=
br>
<br>
=C2=A0 =C2=A0 &gt; Should I restart the versioning to 00 in that case?<br>
<br>
Yes.<br>
<br>
<br>
_______________________________________________<br>
Cellar mailing list<br>
<a href=3D"mailto:Cellar@ietf.org" target=3D"_blank">Cellar@ietf.org</a><br=
>
<a href=3D"https://www.ietf.org/mailman/listinfo/cellar" rel=3D"noreferrer"=
 target=3D"_blank">https://www.ietf.org/mailman/listinfo/cellar</a><br>
</blockquote></div>

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Subject: [Cellar] The CELLAR WG has placed draft-weaver-cellar-flac in state "Candidate for WG Adoption"
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The CELLAR WG has placed draft-weaver-cellar-flac in state
Candidate for WG Adoption (entered by Michael Richardson)

The document is available at
https://datatracker.ietf.org/doc/draft-weaver-cellar-flac/


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From: Ben Campbell <ben@nostrum.com>
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Subject: Re: [Cellar] AD Evaluation of draft-ietf-cellar-ebml-08.
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Hi,

Any thoughts on my AD evaluation review?

I know there=E2=80=99s a lot of comments. Please don=E2=80=99t take that =
as critical; it=E2=80=99s not at all unusual for the Area Director =
review to generate a lot of comments :-)

Thanks!

Ben.

> On Jan 7, 2019, at 3:14 PM, Ben Campbell <ben@nostrum.com> wrote:
>=20
>=20
> Hi,
>=20
> This is my AD Evaluation of draft-ietf-cellar-ebml-08.
>=20
> Thanks for this work. It's generally on the right track, but I have a =
number of comments that I would like to discuss prior progressing.
>=20
> Thanks!
>=20
> Ben.
>=20
> *** Substantive Comments ***
>=20
> - The Shepherd Report says "There are minor nits to be resolved =
(adding one RFC 2119 keyword and some <element>schema  attributes which =
are mentioned but not defined."
>=20
> Do that comment still apply? To be clear, those are more than nits. =
Adding a 2119 keyword is substantive change that needs to be agreed to =
but the working group. Undefined attributes suggest that the draft is =
incomplete. If the comment is still accurate, then these need to be =
fixed prior to progressing the draft. If it is not accurate, then I ask =
the shepherd to please update the shepherd report.
>=20
> - I'm a little surprised to see the draft describe EBML as a general =
purpose markup language format, as opposed to one designed to be used by =
Matroska and similar technologies. I suspect others will also be =
surprised during the IETF LC and IESG review. The review bar is higher =
for the IETF to recommend EBML as a general purpose markup language than =
it is to recommend it for specific purposes. I also note that the CELLAR =
charter talks about EBML in terms of being used by Matroska and FFV1.
>=20
> Would it be acceptable to add some scoping language to the effect of =
"EBML is used by Matroska[citation] and FFV1[citation]. It MAY be used =
for use cases similar to those. The applicability of EBML for other use =
cases is beyond the scope of this document".
>=20
> - There are several defined elements/attributes related to versioning, =
but I don't find an explanation of how they all work together. Please =
add a section describing versioning in general.
>=20
> =C2=A72: Please use the newer boilerplate from RFC 8174.
>=20
> =C2=A73: Can you offer guidance on the specific impacts of the =
mentioned attacks, and how to mitigate them? (If there is no way to =
mitigate an attack, it's okay to say that.)
>=20
> =C2=A75: Please elaborate on how this is similar to UTF8. I assume =
this refers to using prefix bits to indicate the field length. UTF8 does =
that to maintain backwards compatibility with Ascii. What is the design =
motivation for using that approach for EBML, which I presume doesn't =
have such a requirement?
>=20
> =C2=A75.3: "If the number of bits required for "VINT_DATA"
> are less than the bit size of "VINT_DATA", then "VINT_DATA" SHOULD be
> zero-padded to the left to a size that fits."
>=20
> Why not MUST? What happens if this is violated?
>=20
> =C2=A76:
> - "The "VINT_DATA" component of the "Element ID" MUST
> NOT be either defined or written as either all zero values or all one
> values."
> Why?
>=20
> =C2=A78.7: "In this case, the "EBML Reader" should skip data
> until a valid..."
> Should that be a normative statement? If so, why should and not MUST?
>=20
> =C2=A78.8: If the EBML reader does not interpret Binary Elements, why =
add them at all? What does interpret them? is the point that the EBML =
reader treats Binary Elements as opaque, and just hands them to the =
application?
>=20
> =C2=A710.1.3: "NOT RECOMMENDED" seems overly strong, especially in =
light of the MAY in the first paragraph. Is the point to say "MUST =
NOT... except when the implementation needs to update an element without =
rewriting the entire document"?
>=20
> =C2=A711: "An "EBML Document" consists of "EBML Elements" and MUST
> NOT contain any data that is not part of an "EBML Element"."
>=20
> That contradicts text in =C2=A78.7 that says you can do this in =
streaming use cases.
>=20
> =C2=A713.1: "The "DocType"
> value for an "EBML Document Type" SHOULD be unique and persistent."
>=20
> What is the scope of uniqueness? How should it be achieved? Is there =
an expectation to register Document Types?  (Also, why not MUST)?
>=20
> =C2=A713.1.4.1: Are there uniqueness requirements for name?
>=20
> =C2=A713.1.4.2:
> - The idea behind "path" needs elaboration. I'd like to see some =
high-level discussion of how you indicate where an element is allowed, =
and how you encode the structure. An example (local to the section) =
would be helpful.
>=20
> =C2=A713.1.4.4:
> - "The "minOccurs" value MUST be
> equal to the "EBMLMinOccurrence" value of the "path"."
>=20
> Why have both if they have to be the same? (Same question for =
=C2=A713.1.4.5)
>=20
> =C2=A713.1.4.12:
> - "If the "recurring" attribute
> is not present then the "EBML Element" MUST be considered to NOT be
> an "Identically Recurring Element"."
>=20
> "be considered to" is vague for a MUST. What concrete action must =
implementations take in this case?
>=20
> =C2=A713.1.6.2:
> - It seems likely readers will confuse "type" with "data type". Would =
it be reasonable to call this "document-type" or something similar?
>=20
> =C2=A713.1.10:
> - Please state (and cite) which XML schema format is used here.
>=20
> - Has the schema been mechanically verified?
>=20
> =C2=A713.3.1:
> - "The CRC value MUST be computed on a little
> endian bitstream and MUST use little endian storage."
>=20
> Please elaborate. Most elements have been big-endian so far. Do there =
have to be converted to calculate the CRC?
>=20
> =C2=A715.1:
> - "The numbers 0x3FFF and 0x4000 are RESERVED.", "The numbers 0x1FFFFF =
and 0x200000 are RESERVED.", and "The numbers 0xFFFFFFF and 0x1000000 =
are RESERVED."
> What is the purpose of reserving them?
>=20
> - "Four octet Element IDs whose lower three octets (as
> encoded) would make printable 7-bit ASCII values may be allocated
> only Specification Required."
>=20
> Can you state a range or a list? Don't make IANA judge which values =
are printable.
>=20
> =C2=A715.2:
> - "The strings may be allocated according to
> First Come First Served"
>=20
> Is there a requirement to register them, or is this optional?
>=20
>=20
>=20
>=20
> *** Editorial Comments and Nits ***
>=20
> - General: The draft puts double quotes around every mention of terms =
that it defines. That is unconventional for IETF documents. I personally =
find that it makes the draft harder to read. I suggest quoting them on =
the first mention, then just capitalizing them in subsequent mentions.
>=20
> - General (style comment): Please consider removing most instances of =
the word "considered". When the text says "X is considered to be equal =
to Y", that sounds like a weaker (and harder to read) statement than "X =
is equal to Y". Along the same lines, "considered" is rarely appropriate =
to use in a normative statement. For example, instead of saying =
"Implementations MUST consider X to be an error", it is better to state =
what concrete actions you expect the implementation to take when X =
occurs.
>=20
> =C2=A73:
>=20
> - The Security Considerations are required to be one of the last two =
sections in the body of the document (that is, before the references). =
More precisely, Security Considerations and IANA considerations should =
be the last two sections in the documents.
>=20
>=20
> - first paragraph: Please expand CRC on first mention. (Which may or =
may not be this instance once the Security Considerations are moved to =
the proper place.)
>=20
> =C2=A75.2: "The "VINT_MARKER" MUST be one bit in length and
> contain a bit with a value of one."
> That's really more of a definition or statement of fact than a =
normative requirement. Please consider replacing MUST with "is".
>=20
> =C2=A75.3:
> - "The bits required for the "VINT_WIDTH" and the
> "VINT_MARKER" combined use one out of eight bits"
> Consider "use one out of every eight bits"
>=20
> =C2=A75.4, paragraph after first table: "Data encoded as a "Variable =
Size Integer" MAY be rendered at octet
> lengths larger than needed to store the data."
> Is that intended as permission, or a statement of fact? If the latter, =
then the normative keyword is not appropriate.
>=20
> =C2=A76:
> - "The "Element ID" MUST be encoded as a "Variable Size Integer"."
> That seems like a definition. Consider s/MUST/is
> - "MUST NOT be considered an error in the "EBML Document"."
> "be considered" is vague for a normative requirement. What concrete =
action is being prohibited (or required)?
>=20
> =C2=A77:
> - "The "Element Data Size" itself MUST be encoded as a "Variable
> Size Integer"."
> Consider s/MUST/is
>=20
> - 'Only "Master Elements" SHALL be "Unknown-Sized Elements".'
> The use of "only" in normative statements can be ambiguous. In this =
case it can be read that non-master elements MUST NOT be of unknown =
size, or that the SHALL only applies to master elements, and there is no =
rule for non-master elements. Please consider formulating this as "MUST =
NOT".
>=20
> - "For example, an "EBML Element" with an octet length of 127
> MUST NOT be encoded in an "Element Data Size" encoding with a one
> octet length."
>=20
> Examples are not normative, therefore they should not include =
normative keywords.
>=20
> =C2=A78.1: "Signed Integers MUST be stored with two=E2=80=99s
> complement notation"
> Please consider s/MUST/are
>=20
> =C2=A710.1.2: "This method is only RECOMMENDED for reducing "Element =
Data" by a
> single octet..."
> Please avoid using "only" in normative requirements (see previous =
comment for explanation).
>=20
> =C2=A711.1
> - 'that uses an"EBMLVersion" of "1" MUST only contain "EBML Elements"'
> Please avoid "only" on normative statements.
>=20
> - last paragraph: Please consider dropping "All" from the beginning of =
each sentence.
>=20
> =C2=A711.1:
> - Is the concept of a file concrete (in the sense of a unit of =
persistent storage) or abstract (as in any stream of data)? I had =
assumed the latter, but with the different rules about data outside of =
EBML elements for "files" and "streaming applications", I am not so =
sure. If you mean "file" concretely, does there need to be additional =
text in this section describing the structure for streaming =
applications?
>=20
> - "The "EBML Body" MUST consist
> only of "EBML Elements""
> Please avoid "only" on normative statements.
> - 'what "EBML Elements"' (several occurances). s/what/which
>=20
> =C2=A713.1:
> - "one or many" (several times throughout draft): Should this be "one =
or more"? Some people do not tend to think of numbers like 2 or 3 as =
counting as "many".
>=20
> - "An "EBML Schema" must be
> expressed as well-formed XML."
> Normative?
>=20
> - "An "EBML Schema" MUST declare exactly one "EBML Element" at "Root
> Level" (referred to as the "Root Element") that MUST occur exactly
> once within an "EBML Document"."
>=20
> The second "MUST" seems like a statement of fact.
>=20
> - If an "EBML Schema"
> adopts the "EBML Header Element" as-is, then it is not REQUIRED to
> document that Element within the "EBML Schema"."
>=20
> "REQUIRED" is not used normatively, and therefore should not be =
capitalized.
>=20
> =C2=A713.1.1.2:
> - "The "version" lists an incremental non-negative integer..."
>=20
> I'm not sure what it means for a single integer to be "incremental". =
(But see substantive comment concerning versioning.)
>=20
>=20
> =C2=A713.4.1.2:
> - The ""*"", ""("" and "")"" symbols MUST be interpreted as they are
> defined in the ABNF."
> This _is_ the ABNF. Do you mean "as defined in RFC 5234?  Also, the =
normative MUST is not appropriate here; it's a matter of definition, not =
a normative requirement.
>=20
> - "The "EBMLElementOccurrence" part is interpreted as an ABNF Variable
> Repetition.
>=20
> I don't understand what that means. There won't be ABNF in an actual =
schema, will there? (Same for "VariableParentOccurrence")
>=20
> - ""EBML Elements" with "EBMLMinOccurrence" set to "1" that also have =
a
> "default" value (see Section 13.1.4.8) declared are not REQUIRED to
> be stored but are REQUIRED to be interpreted,"
>=20
> Statement of fact?
>=20
> =C2=A713.1.4.7
> - The attribute is called "size" but defined to be "length". Why not =
call it length? (Or describe it as "size")?
>=20
> =C2=A713.1.4.10:
> - "A boolean to express if an "EBML Element" MAY be used as an =
"Unknown-
> Sized Element""
> Statement of fact.
>=20
> =C2=A713.1.11: It would be helpful to have the example closer to the =
element descriptions. I suggesting putting this section before the =
schema section.
>=20
> =C2=A713.1.13: Why is the material is this section separate from the =
range element description?
>=20
>=20
> =C2=A713.1.14:
> - "When a float value is represented textually in an "EBML Schema", =
such
> as within a "default" or "range" value,..."
>=20
> The examples only talk about ranges. Can there be an example for a =
default value?
>=20
> =C2=A713.1.15:
> - "In this case, the default value of the "Mandatory EBML
> Element" MUST be interpreted by the "EBML Reader" although the "EBML
> Element" is not present within its "Parent Element"."
>=20
> I'm not sure the intent here. Is "interpreted" the correct word =
choice?
>=20
> =C2=A713.3.2:
> - "Used to void damaged data, to avoid unexpected behaviors
> when using damaged data."
>=20
> Comma splice.
>=20
> =C2=A714
> - "If a "Master Element" contains a "CRC-32 Element" that doesn=E2=80=99=
t
> validate, then the "EBML Reader" MAY ignore all contained data except
> for "Descendant Elements" which contain their own valid "CRC-32
> Element"."
>=20
> s/ ", which" / " that"
>=20
> =C2=A715.1:
> - "Values from 1 to 126 are to
> be allocated according to RFC Required."
>=20
> I suggest '... allocated according to the "RFC Required" policy.' =
(Note: This pattern occurs several times in the RFC considerations =
section.) Also, please cite 8126 on the first mention of each policy (or =
state in advance that all registration policies mentioned herein are =
defined in 8126).
>=20
> - "Numbers MAY be allocated within this range according to
> Specification Required."
> s/MAY/are
>=20
>=20
>=20


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From nobody Mon Jan 14 16:13:10 2019
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Archived-At: <https://mailarchive.ietf.org/arch/msg/cellar/ezSNLx6p63oMBRmHzYJt3FRapV0>
Subject: Re: [Cellar] AD Evaluation of draft-ietf-cellar-ebml-08.
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Hi Ben,
I did start dissecting the comments into issues for discussions and edits fo=
r what is straightforward so do have a draft response in the works. I=E2=80=99=
ll get that out tomorrow even though it will be a partial response. Thanks f=
or your work here.
Dave

> On Jan 14, 2019, at 18:43, Ben Campbell <ben@nostrum.com> wrote:
>=20
> Hi,
>=20
> Any thoughts on my AD evaluation review?
>=20
> I know there=E2=80=99s a lot of comments. Please don=E2=80=99t take that a=
s critical; it=E2=80=99s not at all unusual for the Area Director review to g=
enerate a lot of comments :-)
>=20
> Thanks!
>=20
> Ben.
>=20
>> On Jan 7, 2019, at 3:14 PM, Ben Campbell <ben@nostrum.com> wrote:
>>=20
>>=20
>> Hi,
>>=20
>> This is my AD Evaluation of draft-ietf-cellar-ebml-08.
>>=20
>> Thanks for this work. It's generally on the right track, but I have a num=
ber of comments that I would like to discuss prior progressing.
>>=20
>> Thanks!
>>=20
>> Ben.
>>=20
>> *** Substantive Comments ***
>>=20
>> - The Shepherd Report says "There are minor nits to be resolved (adding o=
ne RFC 2119 keyword and some <element>schema  attributes which are mentioned=
 but not defined."
>>=20
>> Do that comment still apply? To be clear, those are more than nits. Addin=
g a 2119 keyword is substantive change that needs to be agreed to but the wo=
rking group. Undefined attributes suggest that the draft is incomplete. If t=
he comment is still accurate, then these need to be fixed prior to progressi=
ng the draft. If it is not accurate, then I ask the shepherd to please updat=
e the shepherd report.
>>=20
>> - I'm a little surprised to see the draft describe EBML as a general purp=
ose markup language format, as opposed to one designed to be used by Matrosk=
a and similar technologies. I suspect others will also be surprised during t=
he IETF LC and IESG review. The review bar is higher for the IETF to recomme=
nd EBML as a general purpose markup language than it is to recommend it for s=
pecific purposes. I also note that the CELLAR charter talks about EBML in te=
rms of being used by Matroska and FFV1.
>>=20
>> Would it be acceptable to add some scoping language to the effect of "EBM=
L is used by Matroska[citation] and FFV1[citation]. It MAY be used for use c=
ases similar to those. The applicability of EBML for other use cases is beyo=
nd the scope of this document".
>>=20
>> - There are several defined elements/attributes related to versioning, bu=
t I don't find an explanation of how they all work together. Please add a se=
ction describing versioning in general.
>>=20
>> =C2=A72: Please use the newer boilerplate from RFC 8174.
>>=20
>> =C2=A73: Can you offer guidance on the specific impacts of the mentioned a=
ttacks, and how to mitigate them? (If there is no way to mitigate an attack,=
 it's okay to say that.)
>>=20
>> =C2=A75: Please elaborate on how this is similar to UTF8. I assume this r=
efers to using prefix bits to indicate the field length. UTF8 does that to m=
aintain backwards compatibility with Ascii. What is the design motivation fo=
r using that approach for EBML, which I presume doesn't have such a requirem=
ent?
>>=20
>> =C2=A75.3: "If the number of bits required for "VINT_DATA"
>> are less than the bit size of "VINT_DATA", then "VINT_DATA" SHOULD be
>> zero-padded to the left to a size that fits."
>>=20
>> Why not MUST? What happens if this is violated?
>>=20
>> =C2=A76:
>> - "The "VINT_DATA" component of the "Element ID" MUST
>> NOT be either defined or written as either all zero values or all one
>> values."
>> Why?
>>=20
>> =C2=A78.7: "In this case, the "EBML Reader" should skip data
>> until a valid..."
>> Should that be a normative statement? If so, why should and not MUST?
>>=20
>> =C2=A78.8: If the EBML reader does not interpret Binary Elements, why add=
 them at all? What does interpret them? is the point that the EBML reader tr=
eats Binary Elements as opaque, and just hands them to the application?
>>=20
>> =C2=A710.1.3: "NOT RECOMMENDED" seems overly strong, especially in light o=
f the MAY in the first paragraph. Is the point to say "MUST NOT... except wh=
en the implementation needs to update an element without rewriting the entir=
e document"?
>>=20
>> =C2=A711: "An "EBML Document" consists of "EBML Elements" and MUST
>> NOT contain any data that is not part of an "EBML Element"."
>>=20
>> That contradicts text in =C2=A78.7 that says you can do this in streaming=
 use cases.
>>=20
>> =C2=A713.1: "The "DocType"
>> value for an "EBML Document Type" SHOULD be unique and persistent."
>>=20
>> What is the scope of uniqueness? How should it be achieved? Is there an e=
xpectation to register Document Types?  (Also, why not MUST)?
>>=20
>> =C2=A713.1.4.1: Are there uniqueness requirements for name?
>>=20
>> =C2=A713.1.4.2:
>> - The idea behind "path" needs elaboration. I'd like to see some high-lev=
el discussion of how you indicate where an element is allowed, and how you e=
ncode the structure. An example (local to the section) would be helpful.
>>=20
>> =C2=A713.1.4.4:
>> - "The "minOccurs" value MUST be
>> equal to the "EBMLMinOccurrence" value of the "path"."
>>=20
>> Why have both if they have to be the same? (Same question for =C2=A713.1.=
4.5)
>>=20
>> =C2=A713.1.4.12:
>> - "If the "recurring" attribute
>> is not present then the "EBML Element" MUST be considered to NOT be
>> an "Identically Recurring Element"."
>>=20
>> "be considered to" is vague for a MUST. What concrete action must impleme=
ntations take in this case?
>>=20
>> =C2=A713.1.6.2:
>> - It seems likely readers will confuse "type" with "data type". Would it b=
e reasonable to call this "document-type" or something similar?
>>=20
>> =C2=A713.1.10:
>> - Please state (and cite) which XML schema format is used here.
>>=20
>> - Has the schema been mechanically verified?
>>=20
>> =C2=A713.3.1:
>> - "The CRC value MUST be computed on a little
>> endian bitstream and MUST use little endian storage."
>>=20
>> Please elaborate. Most elements have been big-endian so far. Do there hav=
e to be converted to calculate the CRC?
>>=20
>> =C2=A715.1:
>> - "The numbers 0x3FFF and 0x4000 are RESERVED.", "The numbers 0x1FFFFF an=
d 0x200000 are RESERVED.", and "The numbers 0xFFFFFFF and 0x1000000 are RESE=
RVED."
>> What is the purpose of reserving them?
>>=20
>> - "Four octet Element IDs whose lower three octets (as
>> encoded) would make printable 7-bit ASCII values may be allocated
>> only Specification Required."
>>=20
>> Can you state a range or a list? Don't make IANA judge which values are p=
rintable.
>>=20
>> =C2=A715.2:
>> - "The strings may be allocated according to
>> First Come First Served"
>>=20
>> Is there a requirement to register them, or is this optional?
>>=20
>>=20
>>=20
>>=20
>> *** Editorial Comments and Nits ***
>>=20
>> - General: The draft puts double quotes around every mention of terms tha=
t it defines. That is unconventional for IETF documents. I personally find t=
hat it makes the draft harder to read. I suggest quoting them on the first m=
ention, then just capitalizing them in subsequent mentions.
>>=20
>> - General (style comment): Please consider removing most instances of the=
 word "considered". When the text says "X is considered to be equal to Y", t=
hat sounds like a weaker (and harder to read) statement than "X is equal to Y=
". Along the same lines, "considered" is rarely appropriate to use in a norm=
ative statement. For example, instead of saying "Implementations MUST consid=
er X to be an error", it is better to state what concrete actions you expect=
 the implementation to take when X occurs.
>>=20
>> =C2=A73:
>>=20
>> - The Security Considerations are required to be one of the last two sect=
ions in the body of the document (that is, before the references). More prec=
isely, Security Considerations and IANA considerations should be the last tw=
o sections in the documents.
>>=20
>>=20
>> - first paragraph: Please expand CRC on first mention. (Which may or may n=
ot be this instance once the Security Considerations are moved to the proper=
 place.)
>>=20
>> =C2=A75.2: "The "VINT_MARKER" MUST be one bit in length and
>> contain a bit with a value of one."
>> That's really more of a definition or statement of fact than a normative r=
equirement. Please consider replacing MUST with "is".
>>=20
>> =C2=A75.3:
>> - "The bits required for the "VINT_WIDTH" and the
>> "VINT_MARKER" combined use one out of eight bits"
>> Consider "use one out of every eight bits"
>>=20
>> =C2=A75.4, paragraph after first table: "Data encoded as a "Variable Size=
 Integer" MAY be rendered at octet
>> lengths larger than needed to store the data."
>> Is that intended as permission, or a statement of fact? If the latter, th=
en the normative keyword is not appropriate.
>>=20
>> =C2=A76:
>> - "The "Element ID" MUST be encoded as a "Variable Size Integer"."
>> That seems like a definition. Consider s/MUST/is
>> - "MUST NOT be considered an error in the "EBML Document"."
>> "be considered" is vague for a normative requirement. What concrete actio=
n is being prohibited (or required)?
>>=20
>> =C2=A77:
>> - "The "Element Data Size" itself MUST be encoded as a "Variable
>> Size Integer"."
>> Consider s/MUST/is
>>=20
>> - 'Only "Master Elements" SHALL be "Unknown-Sized Elements".'
>> The use of "only" in normative statements can be ambiguous. In this case i=
t can be read that non-master elements MUST NOT be of unknown size, or that t=
he SHALL only applies to master elements, and there is no rule for non-maste=
r elements. Please consider formulating this as "MUST NOT".
>>=20
>> - "For example, an "EBML Element" with an octet length of 127
>> MUST NOT be encoded in an "Element Data Size" encoding with a one
>> octet length."
>>=20
>> Examples are not normative, therefore they should not include normative k=
eywords.
>>=20
>> =C2=A78.1: "Signed Integers MUST be stored with two=E2=80=99s
>> complement notation"
>> Please consider s/MUST/are
>>=20
>> =C2=A710.1.2: "This method is only RECOMMENDED for reducing "Element Data=
" by a
>> single octet..."
>> Please avoid using "only" in normative requirements (see previous comment=
 for explanation).
>>=20
>> =C2=A711.1
>> - 'that uses an"EBMLVersion" of "1" MUST only contain "EBML Elements"'
>> Please avoid "only" on normative statements.
>>=20
>> - last paragraph: Please consider dropping "All" from the beginning of ea=
ch sentence.
>>=20
>> =C2=A711.1:
>> - Is the concept of a file concrete (in the sense of a unit of persistent=
 storage) or abstract (as in any stream of data)? I had assumed the latter, b=
ut with the different rules about data outside of EBML elements for "files" a=
nd "streaming applications", I am not so sure. If you mean "file" concretely=
, does there need to be additional text in this section describing the struc=
ture for streaming applications?
>>=20
>> - "The "EBML Body" MUST consist
>> only of "EBML Elements""
>> Please avoid "only" on normative statements.
>> - 'what "EBML Elements"' (several occurances). s/what/which
>>=20
>> =C2=A713.1:
>> - "one or many" (several times throughout draft): Should this be "one or m=
ore"? Some people do not tend to think of numbers like 2 or 3 as counting as=
 "many".
>>=20
>> - "An "EBML Schema" must be
>> expressed as well-formed XML."
>> Normative?
>>=20
>> - "An "EBML Schema" MUST declare exactly one "EBML Element" at "Root
>> Level" (referred to as the "Root Element") that MUST occur exactly
>> once within an "EBML Document"."
>>=20
>> The second "MUST" seems like a statement of fact.
>>=20
>> - If an "EBML Schema"
>> adopts the "EBML Header Element" as-is, then it is not REQUIRED to
>> document that Element within the "EBML Schema"."
>>=20
>> "REQUIRED" is not used normatively, and therefore should not be capitaliz=
ed.
>>=20
>> =C2=A713.1.1.2:
>> - "The "version" lists an incremental non-negative integer..."
>>=20
>> I'm not sure what it means for a single integer to be "incremental". (But=
 see substantive comment concerning versioning.)
>>=20
>>=20
>> =C2=A713.4.1.2:
>> - The ""*"", ""("" and "")"" symbols MUST be interpreted as they are
>> defined in the ABNF."
>> This _is_ the ABNF. Do you mean "as defined in RFC 5234?  Also, the norma=
tive MUST is not appropriate here; it's a matter of definition, not a normat=
ive requirement.
>>=20
>> - "The "EBMLElementOccurrence" part is interpreted as an ABNF Variable
>> Repetition.
>>=20
>> I don't understand what that means. There won't be ABNF in an actual sche=
ma, will there? (Same for "VariableParentOccurrence")
>>=20
>> - ""EBML Elements" with "EBMLMinOccurrence" set to "1" that also have a
>> "default" value (see Section 13.1.4.8) declared are not REQUIRED to
>> be stored but are REQUIRED to be interpreted,"
>>=20
>> Statement of fact?
>>=20
>> =C2=A713.1.4.7
>> - The attribute is called "size" but defined to be "length". Why not call=
 it length? (Or describe it as "size")?
>>=20
>> =C2=A713.1.4.10:
>> - "A boolean to express if an "EBML Element" MAY be used as an "Unknown-
>> Sized Element""
>> Statement of fact.
>>=20
>> =C2=A713.1.11: It would be helpful to have the example closer to the elem=
ent descriptions. I suggesting putting this section before the schema sectio=
n.
>>=20
>> =C2=A713.1.13: Why is the material is this section separate from the rang=
e element description?
>>=20
>>=20
>> =C2=A713.1.14:
>> - "When a float value is represented textually in an "EBML Schema", such
>> as within a "default" or "range" value,..."
>>=20
>> The examples only talk about ranges. Can there be an example for a defaul=
t value?
>>=20
>> =C2=A713.1.15:
>> - "In this case, the default value of the "Mandatory EBML
>> Element" MUST be interpreted by the "EBML Reader" although the "EBML
>> Element" is not present within its "Parent Element"."
>>=20
>> I'm not sure the intent here. Is "interpreted" the correct word choice?
>>=20
>> =C2=A713.3.2:
>> - "Used to void damaged data, to avoid unexpected behaviors
>> when using damaged data."
>>=20
>> Comma splice.
>>=20
>> =C2=A714
>> - "If a "Master Element" contains a "CRC-32 Element" that doesn=E2=80=99t=

>> validate, then the "EBML Reader" MAY ignore all contained data except
>> for "Descendant Elements" which contain their own valid "CRC-32
>> Element"."
>>=20
>> s/ ", which" / " that"
>>=20
>> =C2=A715.1:
>> - "Values from 1 to 126 are to
>> be allocated according to RFC Required."
>>=20
>> I suggest '... allocated according to the "RFC Required" policy.' (Note: T=
his pattern occurs several times in the RFC considerations section.) Also, p=
lease cite 8126 on the first mention of each policy (or state in advance tha=
t all registration policies mentioned herein are defined in 8126).
>>=20
>> - "Numbers MAY be allocated within this range according to
>> Specification Required."
>> s/MAY/are
>>=20
>>=20
>>=20
>=20
> _______________________________________________
> Cellar mailing list
> Cellar@ietf.org
> https://www.ietf.org/mailman/listinfo/cellar


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Subject: Re: [Cellar] AD Evaluation of draft-ietf-cellar-ebml-08.
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Excellent, thanks!

Ben.

> On Jan 14, 2019, at 6:13 PM, Dave Rice <dave@dericed.com> wrote:
>=20
> Hi Ben,
> I did start dissecting the comments into issues for discussions and =
edits for what is straightforward so do have a draft response in the =
works. I=E2=80=99ll get that out tomorrow even though it will be a =
partial response. Thanks for your work here.
> Dave
>=20
>> On Jan 14, 2019, at 18:43, Ben Campbell <ben@nostrum.com> wrote:
>>=20
>> Hi,
>>=20
>> Any thoughts on my AD evaluation review?
>>=20
>> I know there=E2=80=99s a lot of comments. Please don=E2=80=99t take =
that as critical; it=E2=80=99s not at all unusual for the Area Director =
review to generate a lot of comments :-)
>>=20
>> Thanks!
>>=20
>> Ben.
>>=20
>>> On Jan 7, 2019, at 3:14 PM, Ben Campbell <ben@nostrum.com> wrote:
>>>=20
>>>=20
>>> Hi,
>>>=20
>>> This is my AD Evaluation of draft-ietf-cellar-ebml-08.
>>>=20
>>> Thanks for this work. It's generally on the right track, but I have =
a number of comments that I would like to discuss prior progressing.
>>>=20
>>> Thanks!
>>>=20
>>> Ben.
>>>=20
>>> *** Substantive Comments ***
>>>=20
>>> - The Shepherd Report says "There are minor nits to be resolved =
(adding one RFC 2119 keyword and some <element>schema  attributes which =
are mentioned but not defined."
>>>=20
>>> Do that comment still apply? To be clear, those are more than nits. =
Adding a 2119 keyword is substantive change that needs to be agreed to =
but the working group. Undefined attributes suggest that the draft is =
incomplete. If the comment is still accurate, then these need to be =
fixed prior to progressing the draft. If it is not accurate, then I ask =
the shepherd to please update the shepherd report.
>>>=20
>>> - I'm a little surprised to see the draft describe EBML as a general =
purpose markup language format, as opposed to one designed to be used by =
Matroska and similar technologies. I suspect others will also be =
surprised during the IETF LC and IESG review. The review bar is higher =
for the IETF to recommend EBML as a general purpose markup language than =
it is to recommend it for specific purposes. I also note that the CELLAR =
charter talks about EBML in terms of being used by Matroska and FFV1.
>>>=20
>>> Would it be acceptable to add some scoping language to the effect of =
"EBML is used by Matroska[citation] and FFV1[citation]. It MAY be used =
for use cases similar to those. The applicability of EBML for other use =
cases is beyond the scope of this document".
>>>=20
>>> - There are several defined elements/attributes related to =
versioning, but I don't find an explanation of how they all work =
together. Please add a section describing versioning in general.
>>>=20
>>> =C2=A72: Please use the newer boilerplate from RFC 8174.
>>>=20
>>> =C2=A73: Can you offer guidance on the specific impacts of the =
mentioned attacks, and how to mitigate them? (If there is no way to =
mitigate an attack, it's okay to say that.)
>>>=20
>>> =C2=A75: Please elaborate on how this is similar to UTF8. I assume =
this refers to using prefix bits to indicate the field length. UTF8 does =
that to maintain backwards compatibility with Ascii. What is the design =
motivation for using that approach for EBML, which I presume doesn't =
have such a requirement?
>>>=20
>>> =C2=A75.3: "If the number of bits required for "VINT_DATA"
>>> are less than the bit size of "VINT_DATA", then "VINT_DATA" SHOULD =
be
>>> zero-padded to the left to a size that fits."
>>>=20
>>> Why not MUST? What happens if this is violated?
>>>=20
>>> =C2=A76:
>>> - "The "VINT_DATA" component of the "Element ID" MUST
>>> NOT be either defined or written as either all zero values or all =
one
>>> values."
>>> Why?
>>>=20
>>> =C2=A78.7: "In this case, the "EBML Reader" should skip data
>>> until a valid..."
>>> Should that be a normative statement? If so, why should and not =
MUST?
>>>=20
>>> =C2=A78.8: If the EBML reader does not interpret Binary Elements, =
why add them at all? What does interpret them? is the point that the =
EBML reader treats Binary Elements as opaque, and just hands them to the =
application?
>>>=20
>>> =C2=A710.1.3: "NOT RECOMMENDED" seems overly strong, especially in =
light of the MAY in the first paragraph. Is the point to say "MUST =
NOT... except when the implementation needs to update an element without =
rewriting the entire document"?
>>>=20
>>> =C2=A711: "An "EBML Document" consists of "EBML Elements" and MUST
>>> NOT contain any data that is not part of an "EBML Element"."
>>>=20
>>> That contradicts text in =C2=A78.7 that says you can do this in =
streaming use cases.
>>>=20
>>> =C2=A713.1: "The "DocType"
>>> value for an "EBML Document Type" SHOULD be unique and persistent."
>>>=20
>>> What is the scope of uniqueness? How should it be achieved? Is there =
an expectation to register Document Types?  (Also, why not MUST)?
>>>=20
>>> =C2=A713.1.4.1: Are there uniqueness requirements for name?
>>>=20
>>> =C2=A713.1.4.2:
>>> - The idea behind "path" needs elaboration. I'd like to see some =
high-level discussion of how you indicate where an element is allowed, =
and how you encode the structure. An example (local to the section) =
would be helpful.
>>>=20
>>> =C2=A713.1.4.4:
>>> - "The "minOccurs" value MUST be
>>> equal to the "EBMLMinOccurrence" value of the "path"."
>>>=20
>>> Why have both if they have to be the same? (Same question for =
=C2=A713.1.4.5)
>>>=20
>>> =C2=A713.1.4.12:
>>> - "If the "recurring" attribute
>>> is not present then the "EBML Element" MUST be considered to NOT be
>>> an "Identically Recurring Element"."
>>>=20
>>> "be considered to" is vague for a MUST. What concrete action must =
implementations take in this case?
>>>=20
>>> =C2=A713.1.6.2:
>>> - It seems likely readers will confuse "type" with "data type". =
Would it be reasonable to call this "document-type" or something =
similar?
>>>=20
>>> =C2=A713.1.10:
>>> - Please state (and cite) which XML schema format is used here.
>>>=20
>>> - Has the schema been mechanically verified?
>>>=20
>>> =C2=A713.3.1:
>>> - "The CRC value MUST be computed on a little
>>> endian bitstream and MUST use little endian storage."
>>>=20
>>> Please elaborate. Most elements have been big-endian so far. Do =
there have to be converted to calculate the CRC?
>>>=20
>>> =C2=A715.1:
>>> - "The numbers 0x3FFF and 0x4000 are RESERVED.", "The numbers =
0x1FFFFF and 0x200000 are RESERVED.", and "The numbers 0xFFFFFFF and =
0x1000000 are RESERVED."
>>> What is the purpose of reserving them?
>>>=20
>>> - "Four octet Element IDs whose lower three octets (as
>>> encoded) would make printable 7-bit ASCII values may be allocated
>>> only Specification Required."
>>>=20
>>> Can you state a range or a list? Don't make IANA judge which values =
are printable.
>>>=20
>>> =C2=A715.2:
>>> - "The strings may be allocated according to
>>> First Come First Served"
>>>=20
>>> Is there a requirement to register them, or is this optional?
>>>=20
>>>=20
>>>=20
>>>=20
>>> *** Editorial Comments and Nits ***
>>>=20
>>> - General: The draft puts double quotes around every mention of =
terms that it defines. That is unconventional for IETF documents. I =
personally find that it makes the draft harder to read. I suggest =
quoting them on the first mention, then just capitalizing them in =
subsequent mentions.
>>>=20
>>> - General (style comment): Please consider removing most instances =
of the word "considered". When the text says "X is considered to be =
equal to Y", that sounds like a weaker (and harder to read) statement =
than "X is equal to Y". Along the same lines, "considered" is rarely =
appropriate to use in a normative statement. For example, instead of =
saying "Implementations MUST consider X to be an error", it is better to =
state what concrete actions you expect the implementation to take when X =
occurs.
>>>=20
>>> =C2=A73:
>>>=20
>>> - The Security Considerations are required to be one of the last two =
sections in the body of the document (that is, before the references). =
More precisely, Security Considerations and IANA considerations should =
be the last two sections in the documents.
>>>=20
>>>=20
>>> - first paragraph: Please expand CRC on first mention. (Which may or =
may not be this instance once the Security Considerations are moved to =
the proper place.)
>>>=20
>>> =C2=A75.2: "The "VINT_MARKER" MUST be one bit in length and
>>> contain a bit with a value of one."
>>> That's really more of a definition or statement of fact than a =
normative requirement. Please consider replacing MUST with "is".
>>>=20
>>> =C2=A75.3:
>>> - "The bits required for the "VINT_WIDTH" and the
>>> "VINT_MARKER" combined use one out of eight bits"
>>> Consider "use one out of every eight bits"
>>>=20
>>> =C2=A75.4, paragraph after first table: "Data encoded as a "Variable =
Size Integer" MAY be rendered at octet
>>> lengths larger than needed to store the data."
>>> Is that intended as permission, or a statement of fact? If the =
latter, then the normative keyword is not appropriate.
>>>=20
>>> =C2=A76:
>>> - "The "Element ID" MUST be encoded as a "Variable Size Integer"."
>>> That seems like a definition. Consider s/MUST/is
>>> - "MUST NOT be considered an error in the "EBML Document"."
>>> "be considered" is vague for a normative requirement. What concrete =
action is being prohibited (or required)?
>>>=20
>>> =C2=A77:
>>> - "The "Element Data Size" itself MUST be encoded as a "Variable
>>> Size Integer"."
>>> Consider s/MUST/is
>>>=20
>>> - 'Only "Master Elements" SHALL be "Unknown-Sized Elements".'
>>> The use of "only" in normative statements can be ambiguous. In this =
case it can be read that non-master elements MUST NOT be of unknown =
size, or that the SHALL only applies to master elements, and there is no =
rule for non-master elements. Please consider formulating this as "MUST =
NOT".
>>>=20
>>> - "For example, an "EBML Element" with an octet length of 127
>>> MUST NOT be encoded in an "Element Data Size" encoding with a one
>>> octet length."
>>>=20
>>> Examples are not normative, therefore they should not include =
normative keywords.
>>>=20
>>> =C2=A78.1: "Signed Integers MUST be stored with two=E2=80=99s
>>> complement notation"
>>> Please consider s/MUST/are
>>>=20
>>> =C2=A710.1.2: "This method is only RECOMMENDED for reducing "Element =
Data" by a
>>> single octet..."
>>> Please avoid using "only" in normative requirements (see previous =
comment for explanation).
>>>=20
>>> =C2=A711.1
>>> - 'that uses an"EBMLVersion" of "1" MUST only contain "EBML =
Elements"'
>>> Please avoid "only" on normative statements.
>>>=20
>>> - last paragraph: Please consider dropping "All" from the beginning =
of each sentence.
>>>=20
>>> =C2=A711.1:
>>> - Is the concept of a file concrete (in the sense of a unit of =
persistent storage) or abstract (as in any stream of data)? I had =
assumed the latter, but with the different rules about data outside of =
EBML elements for "files" and "streaming applications", I am not so =
sure. If you mean "file" concretely, does there need to be additional =
text in this section describing the structure for streaming =
applications?
>>>=20
>>> - "The "EBML Body" MUST consist
>>> only of "EBML Elements""
>>> Please avoid "only" on normative statements.
>>> - 'what "EBML Elements"' (several occurances). s/what/which
>>>=20
>>> =C2=A713.1:
>>> - "one or many" (several times throughout draft): Should this be =
"one or more"? Some people do not tend to think of numbers like 2 or 3 =
as counting as "many".
>>>=20
>>> - "An "EBML Schema" must be
>>> expressed as well-formed XML."
>>> Normative?
>>>=20
>>> - "An "EBML Schema" MUST declare exactly one "EBML Element" at "Root
>>> Level" (referred to as the "Root Element") that MUST occur exactly
>>> once within an "EBML Document"."
>>>=20
>>> The second "MUST" seems like a statement of fact.
>>>=20
>>> - If an "EBML Schema"
>>> adopts the "EBML Header Element" as-is, then it is not REQUIRED to
>>> document that Element within the "EBML Schema"."
>>>=20
>>> "REQUIRED" is not used normatively, and therefore should not be =
capitalized.
>>>=20
>>> =C2=A713.1.1.2:
>>> - "The "version" lists an incremental non-negative integer..."
>>>=20
>>> I'm not sure what it means for a single integer to be "incremental". =
(But see substantive comment concerning versioning.)
>>>=20
>>>=20
>>> =C2=A713.4.1.2:
>>> - The ""*"", ""("" and "")"" symbols MUST be interpreted as they are
>>> defined in the ABNF."
>>> This _is_ the ABNF. Do you mean "as defined in RFC 5234?  Also, the =
normative MUST is not appropriate here; it's a matter of definition, not =
a normative requirement.
>>>=20
>>> - "The "EBMLElementOccurrence" part is interpreted as an ABNF =
Variable
>>> Repetition.
>>>=20
>>> I don't understand what that means. There won't be ABNF in an actual =
schema, will there? (Same for "VariableParentOccurrence")
>>>=20
>>> - ""EBML Elements" with "EBMLMinOccurrence" set to "1" that also =
have a
>>> "default" value (see Section 13.1.4.8) declared are not REQUIRED to
>>> be stored but are REQUIRED to be interpreted,"
>>>=20
>>> Statement of fact?
>>>=20
>>> =C2=A713.1.4.7
>>> - The attribute is called "size" but defined to be "length". Why not =
call it length? (Or describe it as "size")?
>>>=20
>>> =C2=A713.1.4.10:
>>> - "A boolean to express if an "EBML Element" MAY be used as an =
"Unknown-
>>> Sized Element""
>>> Statement of fact.
>>>=20
>>> =C2=A713.1.11: It would be helpful to have the example closer to the =
element descriptions. I suggesting putting this section before the =
schema section.
>>>=20
>>> =C2=A713.1.13: Why is the material is this section separate from the =
range element description?
>>>=20
>>>=20
>>> =C2=A713.1.14:
>>> - "When a float value is represented textually in an "EBML Schema", =
such
>>> as within a "default" or "range" value,..."
>>>=20
>>> The examples only talk about ranges. Can there be an example for a =
default value?
>>>=20
>>> =C2=A713.1.15:
>>> - "In this case, the default value of the "Mandatory EBML
>>> Element" MUST be interpreted by the "EBML Reader" although the "EBML
>>> Element" is not present within its "Parent Element"."
>>>=20
>>> I'm not sure the intent here. Is "interpreted" the correct word =
choice?
>>>=20
>>> =C2=A713.3.2:
>>> - "Used to void damaged data, to avoid unexpected behaviors
>>> when using damaged data."
>>>=20
>>> Comma splice.
>>>=20
>>> =C2=A714
>>> - "If a "Master Element" contains a "CRC-32 Element" that doesn=E2=80=99=
t
>>> validate, then the "EBML Reader" MAY ignore all contained data =
except
>>> for "Descendant Elements" which contain their own valid "CRC-32
>>> Element"."
>>>=20
>>> s/ ", which" / " that"
>>>=20
>>> =C2=A715.1:
>>> - "Values from 1 to 126 are to
>>> be allocated according to RFC Required."
>>>=20
>>> I suggest '... allocated according to the "RFC Required" policy.' =
(Note: This pattern occurs several times in the RFC considerations =
section.) Also, please cite 8126 on the first mention of each policy (or =
state in advance that all registration policies mentioned herein are =
defined in 8126).
>>>=20
>>> - "Numbers MAY be allocated within this range according to
>>> Specification Required."
>>> s/MAY/are
>>>=20
>>>=20
>>>=20
>>=20
>> _______________________________________________
>> Cellar mailing list
>> Cellar@ietf.org
>> https://www.ietf.org/mailman/listinfo/cellar
>=20


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From nobody Tue Jan 15 00:14:07 2019
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From: Moritz Bunkus <moritz@bunkus.org>
To: Ben Campbell <ben@nostrum.com>
Cc: draft-ietf-cellar-ebml.all@ietf.org, cellar@ietf.org
In-reply-to: <5590C374-8505-4E4F-995D-2F779C830C24@nostrum.com>
Date: Tue, 15 Jan 2019 09:13:47 +0100
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Subject: Re: [Cellar] AD Evaluation of draft-ietf-cellar-ebml-08.
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Hey,

thanks for your work, Ben. I intended to work on the points & a thorough
reply but was a bit overwhelmed by the amount of them (not so much by what
you wrote as most points you brought up seemed uncontroversial and easy to
fix for me) and short on time. It's still on my TODO list.

Kind regards,
mosu


From nobody Thu Jan 17 07:05:54 2019
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Subject: Re: [Cellar] AD Evaluation of draft-ietf-cellar-ebml-08.
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Same for me. I'll try to get some time during the weekend.

On 15/01/2019 09:13, Moritz Bunkus wrote:
> Hey,
>
> thanks for your work, Ben. I intended to work on the points & a thorough
> reply but was a bit overwhelmed by the amount of them (not so much by what
> you wrote as most points you brought up seemed uncontroversial and easy to
> fix for me) and short on time. It's still on my TODO list.
>
> Kind regards,
> mosu
>
> _______________________________________________
> Cellar mailing list
> Cellar@ietf.org
> https://www.ietf.org/mailman/listinfo/cellar


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n itemprop=3D"potentialaction" itemscope itemtype=3D"http://schema.org/Rsvp=
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und-color:#f6f6f6;color:#888;border-top:1px Solid #ccc;font-family:Arial,Sa=
ns-serif;font-size:11px"><p>Invitation from <a href=3D"https://www.google.c=
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table></div></span></span>
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DTEND:20190129T213000Z
RRULE:FREQ=MONTHLY;UNTIL=20190625T235959Z;BYDAY=-1TU
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ORGANIZER;CN=Michael Richardson:mailto:mcharlesr@gmail.com
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LAST-MODIFIED:20190117T174901Z
LOCATION:https://ietf.webex.com/ietf
SEQUENCE:2
STATUS:CONFIRMED
SUMMARY:cellar-interim
TRANSP:OPAQUE
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:This is an event reminder
TRIGGER:-P0DT0H10M0S
END:VALARM
END:VEVENT
END:VCALENDAR

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<span itemscope itemtype=3D"http://schema.org/InformAction"><span style=3D"=
display:none" itemprop=3D"about" itemscope itemtype=3D"http://schema.org/Pe=
rson"><meta itemprop=3D"description" content=3D"Invitation from Michael Ric=
hardson"/></span><span itemprop=3D"object" itemscope itemtype=3D"http://sch=
ema.org/Event"><div style=3D""><table cellspacing=3D"0" cellpadding=3D"8" b=
order=3D"0" summary=3D"" style=3D"width:100%;font-family:Arial,Sans-serif;b=
order:1px Solid #ccc;border-width:1px 2px 2px 1px;background-color:#fff;"><=
tr><td><meta itemprop=3D"eventStatus" content=3D"http://schema.org/EventSch=
eduled"/><div style=3D"padding:2px"><span itemprop=3D"publisher" itemscope =
itemtype=3D"http://schema.org/Organization"><meta itemprop=3D"name" content=
=3D"Google Calendar"/></span><meta itemprop=3D"eventId/googleCalendar" cont=
ent=3D"6e2234sm4it6mklshg43k26f9k"/><div style=3D"float:right;font-weight:b=
old;font-size:13px"> <a href=3D"https://www.google.com/calendar/event?actio=
n=3DVIEW&amp;eid=3DNmUyMjM0c200aXQ2bWtsc2hnNDNrMjZmOWsgY2VsbGFyQGlldGYub3Jn=
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ZDQ1Y2I4YTE1MGRjNDQ&amp;ctz=3DAmerica%2FToronto&amp;hl=3Den&amp;es=3D0" sty=
le=3D"color:#20c;white-space:nowrap" itemprop=3D"url">more details &raquo;<=
/a><br></div><h3 style=3D"padding:0 0 6px 0;margin:0;font-family:Arial,Sans=
-serif;font-size:16px;font-weight:bold;color:#222"><span itemprop=3D"name">=
cellar-interim</span></h3><table cellpadding=3D"0" cellspacing=3D"0" border=
=3D"0" summary=3D"Event details"><tr><td style=3D"padding:0 1em 10px 0;font=
-family:Arial,Sans-serif;font-size:13px;color:#888;white-space:nowrap;width=
:90px" valign=3D"top"><div><i style=3D"font-style:normal">When</i></div></t=
d><td style=3D"padding-bottom:10px;font-family:Arial,Sans-serif;font-size:1=
3px;color:#222" valign=3D"top"><div style=3D"text-indent:-1px"><time itempr=
op=3D"startDate" datetime=3D"20190402T200000Z"></time><time itemprop=3D"end=
Date" datetime=3D"20190402T213000Z"></time>Tue 2019-04-02 16:00 =E2=80=93 1=
7:30 <span style=3D"color:#888">Eastern Time - Toronto</span></div></td></t=
r><tr><td style=3D"padding:0 1em 10px 0;font-family:Arial,Sans-serif;font-s=
ize:13px;color:#888;white-space:nowrap;width:90px" valign=3D"top"><div><i s=
tyle=3D"font-style:normal">Where</i></div></td><td style=3D"padding-bottom:=
10px;font-family:Arial,Sans-serif;font-size:13px;color:#222" valign=3D"top"=
><div style=3D"text-indent:-1px"><span itemprop=3D"location" itemscope item=
type=3D"http://schema.org/Place"><span itemprop=3D"name" class=3D"notransla=
te">https://appear.in/cellar-interim</span><span dir=3D"ltr"> (<a href=3D"h=
ttps://www.google.com/url?q=3Dhttps%3A%2F%2Fappear.in%2Fcellar-interim&amp;=
sa=3DD&amp;ust=3D1548179908662000&amp;usg=3DAFQjCNH0I8jLRyarCkhS05jsUGaXQQg=
iPQ" style=3D"color:#20c;white-space:nowrap" target=3D"_blank" itemprop=3D"=
map">map</a>)</span></span></div></td></tr><tr><td style=3D"padding:0 1em 1=
0px 0;font-family:Arial,Sans-serif;font-size:13px;color:#888;white-space:no=
wrap;width:90px" valign=3D"top"><div><i style=3D"font-style:normal">Calenda=
r</i></div></td><td style=3D"padding-bottom:10px;font-family:Arial,Sans-ser=
if;font-size:13px;color:#222" valign=3D"top"><div style=3D"text-indent:-1px=
">cellar@ietf.org</div></td></tr><tr><td style=3D"padding:0 1em 10px 0;font=
-family:Arial,Sans-serif;font-size:13px;color:#888;white-space:nowrap;width=
:90px" valign=3D"top"><div><i style=3D"font-style:normal">Who</i></div></td=
><td style=3D"padding-bottom:10px;font-family:Arial,Sans-serif;font-size:13=
px;color:#222" valign=3D"top"><table cellspacing=3D"0" cellpadding=3D"0"><t=
r><td style=3D"padding-right:10px;font-family:Arial,Sans-serif;font-size:13=
px;color:#222;width:10px"><div style=3D"text-indent:-1px"><span style=3D"fo=
nt-family:Courier New,monospace">&#x2022;</span></div></td><td style=3D"pad=
ding-right:10px;font-family:Arial,Sans-serif;font-size:13px;color:#222"><di=
v style=3D"text-indent:-1px"><div><div style=3D"margin:0 0 0.3em 0"><span i=
temprop=3D"attendee" itemscope itemtype=3D"http://schema.org/Person"><span =
itemprop=3D"name" class=3D"notranslate">Michael Richardson</span><meta item=
prop=3D"email" content=3D"mcharlesr@gmail.com"/></span><span itemprop=3D"or=
ganizer" itemscope itemtype=3D"http://schema.org/Person"><meta itemprop=3D"=
name" content=3D"Michael Richardson"/><meta itemprop=3D"email" content=3D"m=
charlesr@gmail.com"/></span><span style=3D"font-size:11px;color:#888"> - or=
ganizer</span></div></div></div></td></tr><tr><td style=3D"padding-right:10=
px;font-family:Arial,Sans-serif;font-size:13px;color:#222;width:10px"><div =
style=3D"text-indent:-1px"><span style=3D"font-family:Courier New,monospace=
">&#x2022;</span></div></td><td style=3D"padding-right:10px;font-family:Ari=
al,Sans-serif;font-size:13px;color:#222"><div style=3D"text-indent:-1px"><d=
iv><div style=3D"margin:0 0 0.3em 0"><span itemprop=3D"attendee" itemscope =
itemtype=3D"http://schema.org/Person"><span itemprop=3D"name" class=3D"notr=
anslate">cellar@ietf.org</span><meta itemprop=3D"email" content=3D"cellar@i=
etf.org"/></span></div></div></div></td></tr><tr><td style=3D"padding-right=
:10px;font-family:Arial,Sans-serif;font-size:13px;color:#222;width:10px"><d=
iv style=3D"text-indent:-1px"><span style=3D"font-family:Courier New,monosp=
ace">&#x2022;</span></div></td><td style=3D"padding-right:10px;font-family:=
Arial,Sans-serif;font-size:13px;color:#222"><div style=3D"text-indent:-1px"=
><div><div style=3D"margin:0 0 0.3em 0"><span itemprop=3D"attendee" itemsco=
pe itemtype=3D"http://schema.org/Person"><span itemprop=3D"name" class=3D"n=
otranslate">tterriberry@mozilla.com</span><meta itemprop=3D"email" content=
=3D"tterriberry@mozilla.com"/></span></div></div></div></td></tr></table></=
td></tr></table><div style=3D"padding-bottom:15px;font-family:Arial,Sans-se=
rif;font-size:13px;color:#222;white-space:pre-wrap!important;white-space:-m=
oz-pre-wrap!important;white-space:-pre-wrap!important;white-space:-o-pre-wr=
ap!important;white-space:pre;word-wrap:break-word"><span><p><a href=3D"http=
s://www.google.com/url?q=3Dhttps%3A%2F%2Fdatatracker.ietf.org%2Fwg%2Fcellar=
%2Fmeetings%2F&amp;sa=3DD&amp;ust=3D1548179908661000&amp;usg=3DAFQjCNESLO77=
_r7Cs472usvYuHK2I6DPXg" target=3D"_blank">https://datatracker.ietf.org/wg/c=
ellar/meetings/</a>  </p></span><meta itemprop=3D"description" content=3D"

https://datatracker.ietf.org/wg/cellar/meetings/  "/></div></div><p style=
=3D"color:#222;font-size:13px;margin:0"><span style=3D"color:#888">Going (c=
ellar@ietf.org)?&nbsp;&nbsp;&nbsp;</span><wbr><strong><span itemprop=3D"pot=
entialaction" itemscope itemtype=3D"http://schema.org/RsvpAction"><meta ite=
mprop=3D"attendance" content=3D"http://schema.org/RsvpAttendance/Yes"/><spa=
n itemprop=3D"handler" itemscope itemtype=3D"http://schema.org/HttpActionHa=
ndler"><link itemprop=3D"method" href=3D"http://schema.org/HttpRequestMetho=
d/GET"/><a href=3D"https://www.google.com/calendar/event?action=3DRESPOND&a=
mp;eid=3DNmUyMjM0c200aXQ2bWtsc2hnNDNrMjZmOWsgY2VsbGFyQGlldGYub3Jn&amp;rst=
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 style=3D"color:#20c;white-space:nowrap" itemprop=3D"url">Yes</a></span></s=
pan><span style=3D"margin:0 0.4em;font-weight:normal"> - </span><span itemp=
rop=3D"potentialaction" itemscope itemtype=3D"http://schema.org/RsvpAction"=
><meta itemprop=3D"attendance" content=3D"http://schema.org/RsvpAttendance/=
Maybe"/><span itemprop=3D"handler" itemscope itemtype=3D"http://schema.org/=
HttpActionHandler"><link itemprop=3D"method" href=3D"http://schema.org/Http=
RequestMethod/GET"/><a href=3D"https://www.google.com/calendar/event?action=
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AwZmQxMDRiYmViZDQ1Y2I4YTE1MGRjNDQ&amp;ctz=3DAmerica%2FToronto&amp;hl=3Den&a=
mp;es=3D0" style=3D"color:#20c;white-space:nowrap" itemprop=3D"url">Maybe</=
a></span></span><span style=3D"margin:0 0.4em;font-weight:normal"> - </span=
><span itemprop=3D"potentialaction" itemscope itemtype=3D"http://schema.org=
/RsvpAction"><meta itemprop=3D"attendance" content=3D"http://schema.org/Rsv=
pAttendance/No"/><span itemprop=3D"handler" itemscope itemtype=3D"http://sc=
hema.org/HttpActionHandler"><link itemprop=3D"method" href=3D"http://schema=
.org/HttpRequestMethod/GET"/><a href=3D"https://www.google.com/calendar/eve=
nt?action=3DRESPOND&amp;eid=3DNmUyMjM0c200aXQ2bWtsc2hnNDNrMjZmOWsgY2VsbGFyQ=
GlldGYub3Jn&amp;rst=3D2&amp;tok=3DMTkjbWNoYXJsZXNyQGdtYWlsLmNvbTRjNDc2YzI3Y=
zJhYzhmMDAwZmQxMDRiYmViZDQ1Y2I4YTE1MGRjNDQ&amp;ctz=3DAmerica%2FToronto&amp;=
hl=3Den&amp;es=3D0" style=3D"color:#20c;white-space:nowrap" itemprop=3D"url=
">No</a></span></span></strong>&nbsp;&nbsp;&nbsp;&nbsp;<wbr><a href=3D"http=
s://www.google.com/calendar/event?action=3DVIEW&amp;eid=3DNmUyMjM0c200aXQ2b=
Wtsc2hnNDNrMjZmOWsgY2VsbGFyQGlldGYub3Jn&amp;tok=3DMTkjbWNoYXJsZXNyQGdtYWlsL=
mNvbTRjNDc2YzI3YzJhYzhmMDAwZmQxMDRiYmViZDQ1Y2I4YTE1MGRjNDQ&amp;ctz=3DAmeric=
a%2FToronto&amp;hl=3Den&amp;es=3D0" style=3D"color:#20c;white-space:nowrap"=
 itemprop=3D"url">more options &raquo;</a></p></td></tr><tr><td style=3D"ba=
ckground-color:#f6f6f6;color:#888;border-top:1px Solid #ccc;font-family:Ari=
al,Sans-serif;font-size:11px"><p>Invitation from <a href=3D"https://www.goo=
gle.com/calendar/" target=3D"_blank" style=3D"">Google Calendar</a></p><p>Y=
ou are receiving this courtesy email at the account cellar@ietf.org because=
 you are an attendee of this event.</p><p>To stop receiving future updates =
for this event, decline this event. Alternatively you can sign up for a Goo=
gle account at https://www.google.com/calendar/ and control your notificati=
on settings for your entire calendar.</p><p>Forwarding this invitation coul=
d allow any recipient to modify your RSVP response. <a href=3D"https://supp=
ort.google.com/calendar/answer/37135#forwarding">Learn More</a>.</p></td></=
tr></table></div></span></span>
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DTSTART:20190402T200000Z
DTEND:20190402T213000Z
DTSTAMP:20190117T175828Z
ORGANIZER;CN=Michael Richardson:mailto:mcharlesr@gmail.com
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CREATED:20190117T175827Z
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LOCATION:https://appear.in/cellar-interim
SEQUENCE:0
STATUS:CONFIRMED
SUMMARY:cellar-interim
TRANSP:OPAQUE
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:This is an event reminder
TRIGGER:-P0DT0H10M0S
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END:VEVENT
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Subject: [Cellar] upcoming virtual meeting for CELLAR --- reminders
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1) January 29 at 20:00 UTC (15:00 EST)
2) February 26 at 20:00 UTC (15:00 EST)

3) March 26 -> April 2.   This is during the IETF week.
   I was going to suggest that we attempt to have a regular session
   at IETF104, and use meetecho.  The plan was to ask for a session
   on Tuesday afternoon, which would be morning for EST people,
   and during the work-day for Europeans.
   If we couldn't get that slot, then we'd defer that meeting
   by a week to April 2.

4) PROPOSED meeting April 30
5) PROPOSED meeting May 28.
6) PROPOSED meeting June 24
7) No meeting in July

Looking at *MY* schedule, I will need to do other things on Tuesday
afternoon while at IETF104. (Can't say I'm happy about the conflict)
So I will go directly to the backup plan of moving the virtual interim
From=20March 26 to April 2.

As per the discussion last time and the experiment, we will *NOT*
use webex for these meetings, but rather https://appear.in/cellar-interim
This accomodates up to 12 people (I have a premium account), and
we have typically not had more than about 7-8 people attend.

Ben, do I have your approval?

=2D-
]               Never tell me the odds!                 | ipv6 mesh network=
s [
]   Michael Richardson, Sandelman Software Works        |    IoT architect =
  [
]     mcr@sandelman.ca  http://www.sandelman.ca/        |   ruby on rails  =
  [






=2D-
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
 -=3D IPv6 IoT consulting =3D-




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From: Steve Lhomme <slhomme@matroska.org>
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Subject: Re: [Cellar] AD Evaluation of draft-ietf-cellar-ebml-08.
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Hi Ben,

On 07/01/2019 22:14, Ben Campbell wrote:
> Hi,
>
> This is my AD Evaluation of draft-ietf-cellar-ebml-08.
>
> Thanks for this work. It's generally on the right track, but I have a number of comments that I would like to discuss prior progressing.
>
> Thanks!
>
> Ben.
>
> *** Substantive Comments ***
>
> - The Shepherd Report says "There are minor nits to be resolved (adding one RFC 2119 keyword and some <element>schema  attributes which are mentioned but not defined."
>
> Do that comment still apply? To be clear, those are more than nits. Adding a 2119 keyword is substantive change that needs to be agreed to but the working group.

I don't understand this. RFC2119 has been mentioned in the header and a 
link is generated at the bottom of the document since 2016. I don't 
think we should include the whole document, so what is missing ?

>   Undefined attributes suggest that the draft is incomplete. If the comment is still accurate, then these need to be fixed prior to progressing the draft. If it is not accurate, then I ask the shepherd to please update the shepherd report.

Which attributes are mentioned but not defined ? All the "attribute" 
mentions I see in the text are all attributes described further in their 
own section.

>
> - I'm a little surprised to see the draft describe EBML as a general purpose markup language format, as opposed to one designed to be used by Matroska and similar technologies. I suspect others will also be surprised during the IETF LC and IESG review. The review bar is higher for the IETF to recommend EBML as a general purpose markup language than it is to recommend it for specific purposes. I also note that the CELLAR charter talks about EBML in terms of being used by Matroska and FFV1.

It's actually not used in FFV1, only Matroska. But we are aware of other 
people using EBML for other purposes/formats and some considering to use it.

> Would it be acceptable to add some scoping language to the effect of "EBML is used by Matroska[citation] and FFV1[citation]. It MAY be used for use cases similar to those. The applicability of EBML for other use cases is beyond the scope of this document".

Yes, (apart from the FFV1 part).
Done in this PR https://github.com/Matroska-Org/ebml-specification/pull/199

>
> - There are several defined elements/attributes related to versioning, but I don't find an explanation of how they all work together. Please add a section describing versioning in general.

Done in PR https://github.com/Matroska-Org/ebml-specification/pull/200

>
> §2: Please use the newer boilerplate from RFC 8174.

Done in PR https://github.com/Matroska-Org/ebml-specification/pull/201

>
> §3: Can you offer guidance on the specific impacts of the mentioned attacks, and how to mitigate them? (If there is no way to mitigate an attack, it's okay to say that.)

Partially covered by 
https://github.com/Matroska-Org/ebml-specification/pull/202
I'm not sure how to mitigate side channels errors, or rather if we have 
to go in deep details for each (it could go very deep on all kinds of 
security things).
>
> §5: Please elaborate on how this is similar to UTF8. I assume this refers to using prefix bits to indicate the field length. UTF8 does that to maintain backwards compatibility with Ascii. What is the design motivation for using that approach for EBML, which I presume doesn't have such a requirement?

Done in https://github.com/Matroska-Org/ebml-specification/pull/203


>
> §5.3: "If the number of bits required for "VINT_DATA"
> are less than the bit size of "VINT_DATA", then "VINT_DATA" SHOULD be
> zero-padded to the left to a size that fits."
>
> Why not MUST? What happens if this is violated?

Done in https://github.com/Matroska-Org/ebml-specification/pull/204

I'll try to continue with the rest ASAP

Thanks a lot for all your comments.


From nobody Thu Jan 24 06:25:08 2019
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Codec Encoding for LossLess Archiving and Realtime transmission WG of the IETF.

        Title           : Extensible Binary Meta Language
        Authors         : Steve Lhomme
                          Dave Rice
                          Moritz Bunkus
	Filename        : draft-ietf-cellar-ebml-09.txt
	Pages           : 43
	Date            : 2019-01-24

Abstract:
   This document defines the Extensible Binary Meta Language (EBML)
   format as a generalized file format for any type of data in a
   hierarchical form.  EBML is designed as a binary equivalent to XML
   and uses a storage-efficient approach to build nested Elements with
   identifiers, lengths, and values.  Similar to how an XML Schema
   defines the structure and semantics of an XML Document, this document
   defines how EBML Schemas are created to convey the semantics of an
   EBML Document.


The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-cellar-ebml/

There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-cellar-ebml-09
https://datatracker.ietf.org/doc/html/draft-ietf-cellar-ebml-09

A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-cellar-ebml-09


Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/


From nobody Thu Jan 24 09:14:38 2019
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Subject: [Cellar] cellar - Not having a session at IETF 104
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Michael Richardson, a chair of the cellar working group, indicated that the cellar working group does not plan to hold a session at IETF 104.

This message was generated and sent by the IETF Meeting Session Request Tool.



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From: Steve Lhomme <slhomme@matroska.org>
Date: Sun, 27 Jan 2019 16:31:17 +0100
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Subject: Re: [Cellar] AD Evaluation of draft-ietf-cellar-ebml-08.
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Hi,Some more comments on the comments:

Le lun. 7 janv. 2019 =C3=A0 22:15, Ben Campbell <ben@nostrum.com> a =C3=A9c=
rit :
>>> Hi,
>> This is my AD Evaluation of draft-ietf-cellar-ebml-08.
>> Thanks for this work. It's generally on the right track, but I have a nu=
mber of comments that I would like to discuss prior progressing.
>> Thanks!
>> Ben.
>> *** Substantive Comments ***
>> =C2=A76:
> - "The "VINT_DATA" component of the "Element ID" MUST
> NOT be either defined or written as either all zero values or all one
> values."
> Why?

There is no technical reason why these values can't be used. For
example VINT_DATA all set to 0 is valid for the Element Size (and all
ones has a special meaning). These are rather reserved values that may
help expand EBML one day if necessary. Should we call them reserved
rather than invalid ?

> =C2=A78.7: "In this case, the "EBML Reader" should skip data
> until a valid..."
> Should that be a normative statement? If so, why should and not MUST?

It can't be a MUST if we tolerate values to be there, someone might
want to make use of these data. It could also be data that have been
damaged and don't appear as EBML Elements anymore. In that case the
reader should do its best to skip over these data. In any case the
behaviour of the reader when such data is found not normative.

> =C2=A78.8: If the EBML reader does not interpret Binary Elements, why add=
 them at all? What does interpret them? is the point that the EBML reader t=
reats Binary Elements as opaque, and just hands them to the application?

Yes, it's exactly that. Binary is a blob that is unknown to the EBML
Reader. Only an app that knows the particular Element in the DocType
can interpret what is in this blob.

> =C2=A710.1.3: "NOT RECOMMENDED" seems overly strong, especially in light =
of the MAY in the first paragraph. Is the point to say "MUST NOT... except =
when the implementation needs to update an element without rewriting the en=
tire document"?

The MAY means zeros can be added after a string, but one shouldn't do
that.The NOT RECOMMENDED also says that it shouldn't be used unless
you know what you're doing (the definition of NOT RECOMMENDED).Should
we rephrase the paragraph ? Saying that use Null terminated should not
be used in general but must be handled by a Reader because it's a
possibility ?

> =C2=A711: "An "EBML Document" consists of "EBML Elements" and MUST
> NOT contain any data that is not part of an "EBML Element"."
>> That contradicts text in =C2=A78.7 that says you can do this in streamin=
g use cases.

Correct, it should be SHOULD NOT rather than MUST NOT. See Pull
Request #212https://github.com/Matroska-Org/ebml-specification/pull/212

> =C2=A713.1: "The "DocType"
> value for an "EBML Document Type" SHOULD be unique and persistent."
>> What is the scope of uniqueness? How should it be achieved? Is there an =
expectation to register Document Types?  (Also, why not MUST)?

There is a IANA registry and it MUST be unique (see 15.2 CELLAR EBML
DocType Registry), although if people use the same separately string
separately without going through IANA registration, it's possible they
won't be unique. That being said I think it should be a MUST.

See Pull Request #213https://github.com/Matroska-Org/ebml-specification/pul=
l/213

> =C2=A713.1.4.1: Are there uniqueness requirements for name?

No, it's a human readable name that's only there for readability. I
never ends up in the actual EBML data. The same name could be found in
different path for example.

> =C2=A713.1.4.2:
> - The idea behind "path" needs elaboration. I'd like to see some high-lev=
el discussion of how you indicate where an element is allowed, and how you =
encode the structure.

I don't understand what you mean.

> An example (local to the section) would be helpful.

Added in Pull Request #214
https://github.com/Matroska-Org/ebml-specification/pull/214

> =C2=A713.1.4.4:
> - "The "minOccurs" value MUST be
> equal to the "EBMLMinOccurrence" value of the "path"."
>> Why have both if they have to be the same? (Same question for =C2=A713.1=
.4.5)

EBMLMinOccurrence is just a coded name in the path definition. It's
not found in the path itself. Whereas minOccurs is found in the XML
Schema describing the format.The former has a long name to make it
clearer what it does in this context. The latter has a short name to
be more readable and is always found in its context anyway.

> =C2=A713.1.4.12:
> - "If the "recurring" attribute
> is not present then the "EBML Element" MUST be considered to NOT be
> an "Identically Recurring Element"."
>> "be considered to" is vague for a MUST. What concrete action must implem=
entations take in this case?

Fixed by https://github.com/Matroska-Org/ebml-specification/commit/45497f5e=
d9d9d4f0fe206c69431fd0f39be3dbd4

> =C2=A713.1.6.2:
> - It seems likely readers will confuse "type" with "data type". Would it =
be reasonable to call this "document-type" or something similar?

I renamed it to "purpose" in Pull Request #215
https://github.com/Matroska-Org/ebml-specification/pull/215

> =C2=A713.1.10:
> - Please state (and cite) which XML schema format is used here.
>> - Has the schema been mechanically verified?

I'm not competent on that one (I suppose Dave or Jerome have used it ?)

> =C2=A713.3.1:
> - "The CRC value MUST be computed on a little
> endian bitstream and MUST use little endian storage."
>> Please elaborate. Most elements have been big-endian so far. Do there ha=
ve to be converted to calculate the CRC?

The EBML headers and integers are in Big Endian. But the Binary data
can be anything. For convenience with modern CPUs the CRC-32 is done
on little endian reading of the EBML header+data and stored as such.I
can't access the ISO spec, but the ITU one doesn't mention anything
about endianess.

> =C2=A715.1:
> - "The numbers 0x3FFF and 0x4000 are RESERVED.", "The numbers 0x1FFFFF an=
d 0x200000 are RESERVED.", and "The numbers 0xFFFFFFF and 0x1000000 are RES=
ERVED."
> What is the purpose of reserving them?

The answer can be found here
https://github.com/Matroska-Org/ebml-specification/pull/179#discussion_r196=
481366
There are invalid values, but that's not a word used for IANA
registration. Should we mention that they are invalid anyway ?

> - "Four octet Element IDs whose lower three octets (as
> encoded) would make printable 7-bit ASCII values may be allocated
> only Specification Required."
>
> Can you state a range or a list? Don't make IANA judge which values are p=
rintable.

Done in Pull Request 216
https://github.com/Matroska-Org/ebml-specification/pull/216

> =C2=A715.2:
> - "The strings may be allocated according to
> First Come First Served"
>
> Is there a requirement to register them, or is this optional?

We can't force people to do it, but it's encouraged.


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From: Steve Lhomme <slhomme@matroska.org>
Date: Sun, 27 Jan 2019 16:48:50 +0100
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Subject: Re: [Cellar] AD Evaluation of draft-ietf-cellar-ebml-08.
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More:
Le lun. 7 janv. 2019 =C3=A0 22:15, Ben Campbell <ben@nostrum.com> a =C3=A9c=
rit :

> *** Editorial Comments and Nits ***
>
> - General: The draft puts double quotes around every mention of terms tha=
t it defines. That is unconventional for IETF documents. I personally find =
that it makes the draft harder to read. I suggest quoting them on the first=
 mention, then just capitalizing them in subsequent mentions.

I suppose you don't mean full capital letters ? The idea is that if
you read a particular section and not the whole document you can still
understand what is internal terms or generic names.


> =C2=A711.1:
> - Is the concept of a file concrete (in the sense of a unit of persistent=
 storage) or abstract (as in any stream of data)? I had assumed the latter,=
 but with the different rules about data outside of EBML elements for "file=
s" and "streaming applications", I am not so sure. If you mean "file" concr=
etely, does there need to be additional text in this section describing the=
 structure for streaming applications?

It's more of an abstract thing. When we mention streaming it's some
kind of reading where you can't seek forward (and only backward is
there's a cache). But in general the storage itself doesn't matter.

> =C2=A713.4.1.2:
> - "The "EBMLElementOccurrence" part is interpreted as an ABNF Variable
> Repetition.
>
> I don't understand what that means. There won't be ABNF in an actual sche=
ma, will there? (Same for "VariableParentOccurrence")

The path is in the Schema and is interpreted as ABNF

> - ""EBML Elements" with "EBMLMinOccurrence" set to "1" that also have a
> "default" value (see Section 13.1.4.8) declared are not REQUIRED to
> be stored but are REQUIRED to be interpreted,"
>
> Statement of fact?

It is normative, if that's what you mean. Even if such element is not
found in the data, it must be considered to be there and used with the
default value.

> =C2=A713.1.4.7
> - The attribute is called "size" but defined to be "length". Why not call=
 it length? (Or describe it as "size")?

That must be for historical reasons. I'm fine with renaming it to
length since that's the term we use everywhere else.
See Pull Request #217
https://github.com/Matroska-Org/ebml-specification/pull/217


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Subject: [Cellar] DRAFT AGENDA 2019-01-29 20:00 UTC virtual interim meeting
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--=-=-=
Content-Type: text/plain


CELLAR -- DRAFT AGENDA for Virtual Interim Meeting
January 29, 2019        20:00 UTC

   DRAFT MINUTES FROM 2018-12-18 meeting will be posted as soon as I find them
   and/or etherpad is fixed.

INFO:
     https://datatracker.ietf.org/meeting/interim-2019-cellar-01/session/cellar
     https://datatracker.ietf.org/doc/agenda-interim-2019-cellar-01-sessa/

WEB CONFERENCE:
   https://appear.in/cellar-interim
   THERE IS NO TELEPHONE DIALIN
   You can try this at any time.

Proposed Agenda:

1. Note Well.
2. Accept draft minutes from December meeting

3. Logistics for Meeting.
   2a) Etherpad for notes
       https://etherpad.tools.ietf.org/p/notes-cellar-virtual?useMonospaceFont=true

   2b) APPEAR.IN for video and screen sharing.
       https://appear.in/cellar-interim
       (as agreed last meeting)

   2c) Roll call

4. WG status update
   - EBML is now in IESG publication queue.
   - work on Matroska and FFV1 issues!!
   - confirm list of dates for meetings:
       2019-01-29
       2019-02-26
       2019-04-02       *NEW DATE*

5. Dave Rice on updates to EBML to address AD comments.

6. Steve LHome on Matroska document changes since last meeting.

7. WG plans for advancing documents.





--
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
 -= IPv6 IoT consulting =-




--=-=-=
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--=-=-=--


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Subject: [Cellar] DRAFT AGENDA 2019-01-29 20:00 UTC virtual interim meeting
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CELLAR -- DRAFT AGENDA for Virtual Interim Meeting
January 29, 2019        20:00 UTC

   DRAFT MINUTES FROM 2018-12-18 are attached at the end.

INFO:
     https://datatracker.ietf.org/meeting/interim-2019-cellar-01/session/ce=
llar
     https://datatracker.ietf.org/doc/agenda-interim-2019-cellar-01-sessa/

WEB CONFERENCE:
   https://appear.in/cellar-interim
   THERE IS NO TELEPHONE DIALIN
   You can try this at any time.

Proposed Agenda:

1. Note Well.
2. Accept draft minutes from December meeting

3. Logistics for Meeting.
   2a) Etherpad for notes
       https://etherpad.tools.ietf.org/p/notes-cellar-virtual?useMonospaceF=
ont=3Dtrue

   2b) APPEAR.IN for video and screen sharing.
       https://appear.in/cellar-interim
       (as agreed last meeting)

   2c) Roll call

4. WG status update
   - EBML is now in IESG publication queue.
   - work on Matroska and FFV1 issues!!
   - confirm list of dates for meetings:
       2019-01-29
       2019-02-26
       2019-04-02       *NEW DATE*

5. Dave Rice on updates to EBML to address AD comments.

6. Steve LHome on Matroska document changes since last meeting.

7. WG plans for advancing documents.

=3D=3D=3D=3D=3D

CELLAR -- Agenda for Virtual Interim Meeting
December 18, 2018        20:00 UTC

INFO:
        https://datatracker.ietf.org/meeting/interim-2018-cellar-04/session=
/cellar

WEBEX:
        https://ietf.webex.com/ietf/j.php?MTID=3Dme21026faa14be85507cdef66b=
860014e

Attendees:
	* Michael Richardson
	* J=C3=A9r=C3=B4me Martinez
	* Martin Below
	* Dave Rice (as call-in user)
	* Tim Terriberry
	* Steve Lhomme
	* <PLEASE SIGN YOUR NAME HERE>

Missing:

Regrets:
	* Moritz Bunkus
	* Reto Kromer
	* Michael Niedermayer



Agenda:

1. Note Well.    https://www.ietf.org/about/note-well/
Proposed Agenda:

1. Note Well.

2. Accept draft minutes from September meeting
	https://datatracker.ietf.org/meeting/interim-2018-cellar-05/materials/minu=
tes-interim-2018-cellar-05-201809252000
		taken as written.

3. Logistics for Meeting.
   2a) Etherpad for notes
       https://etherpad.tools.ietf.org/p/notes-cellar-virtual04?useMonospac=
eFont=3Dtrue

   2b) Roll call
   c) March meeting in March 26. 20:00 UTC.  Preference to meetecho... webr=
tc based.
      21:00 UTC.

4. WG status update
   - EBML is now in IESG publication queue. Thx to Steven Villereal for the=
 shepherd writeup.
   Shepherd writeup: https://datatracker.ietf.org/doc/draft-ietf-cellar-ebm=
l/shepherdwriteup/
   - work on Matroska and FFV1 issues!!
   Preview of xml2rfc v3 for FFV1 is at https://htmlpreview.github.io/?http=
s://gist.githubusercontent.com/dericed/5ce9c949eeec9042a4ac5e2b222f1cc0/raw=
/b315b8d3f5c4b06ecf656fc1fb7e9ad9bd6fd88c/draft-ietf-cellar-ffv1-06.html.
   - confirm list of dates for meetings:
       2019-01-29
       2019-02-26
       2019-03-26


5. https://github.com/FFmpeg/FFV1/issues  (without a version):
   - new v0,1,3 was posted in September, are there still issues with v1?
   - Jerome still has to work to do on 0,1,3 version.
   - https://github.com/FFmpeg/FFV1/pull/100  new feature for v3.  Could be=
 an extension done later on?
   - https://github.com/FFmpeg/FFV1/pull/111  CRITICAL PATH. Jerome.
  - hoping to get into WGLC by mid-January.

6. https://github.com/Matroska-Org/matroska-specification/issues
   - what new issues?
   - 29 issues open.
   - draft-ietf-cellar-tags-00
   - draft-ietf-cellar-codec-00
   - draft-ietf-cellar-matroska-01   (165 pages. Maybe it could be broken u=
p further)


7. Any other Business.
  https://appear.in/cellar-interim   We have Tim, Steve, MCR, Jerome, Marti=
n,... Dave missing.

=2D-
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
 -=3D IPv6 IoT consulting =3D-

--=-=-=
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Archived-At: <https://mailarchive.ietf.org/arch/msg/cellar/MI4pIn0Mv_wUT4Uti1oiz6cy_10>
Subject: Re: [Cellar] DRAFT AGENDA 2019-01-29 20:00 UTC virtual interim meeting
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Hi Michael

Thanks for this info email.

Martin Below

Am 28.01.2019 um 16:19 schrieb Michael Richardson:
> CELLAR -- DRAFT AGENDA for Virtual Interim Meeting
> January 29, 2019        20:00 UTC
>
>     DRAFT MINUTES FROM 2018-12-18 are attached at the end.
>
> INFO:
>       https://datatracker.ietf.org/meeting/interim-2019-cellar-01/session/cellar
>       https://datatracker.ietf.org/doc/agenda-interim-2019-cellar-01-sessa/
>
> WEB CONFERENCE:
>     https://appear.in/cellar-interim
>     THERE IS NO TELEPHONE DIALIN
>     You can try this at any time.
>
> Proposed Agenda:
>
> 1. Note Well.
> 2. Accept draft minutes from December meeting
>
> 3. Logistics for Meeting.
>     2a) Etherpad for notes
>         https://etherpad.tools.ietf.org/p/notes-cellar-virtual?useMonospaceFont=true
>
>     2b) APPEAR.IN for video and screen sharing.
>         https://appear.in/cellar-interim
>         (as agreed last meeting)
>
>     2c) Roll call
>
> 4. WG status update
>     - EBML is now in IESG publication queue.
>     - work on Matroska and FFV1 issues!!
>     - confirm list of dates for meetings:
>         2019-01-29
>         2019-02-26
>         2019-04-02       *NEW DATE*
>
> 5. Dave Rice on updates to EBML to address AD comments.
>
> 6. Steve LHome on Matroska document changes since last meeting.
>
> 7. WG plans for advancing documents.
>
> =====
>
> CELLAR -- Agenda for Virtual Interim Meeting
> December 18, 2018        20:00 UTC
>
> INFO:
>          https://datatracker.ietf.org/meeting/interim-2018-cellar-04/session/cellar
>
> WEBEX:
>          https://ietf.webex.com/ietf/j.php?MTID=me21026faa14be85507cdef66b860014e
>
> Attendees:
> 	* Michael Richardson
> 	* Jérôme Martinez
> 	* Martin Below
> 	* Dave Rice (as call-in user)
> 	* Tim Terriberry
> 	* Steve Lhomme
> 	* <PLEASE SIGN YOUR NAME HERE>
>
> Missing:
>
> Regrets:
> 	* Moritz Bunkus
> 	* Reto Kromer
> 	* Michael Niedermayer
>
>
>
> Agenda:
>
> 1. Note Well.    https://www.ietf.org/about/note-well/
> Proposed Agenda:
>
> 1. Note Well.
>
> 2. Accept draft minutes from September meeting
> 	https://datatracker.ietf.org/meeting/interim-2018-cellar-05/materials/minutes-interim-2018-cellar-05-201809252000
> 		taken as written.
>
> 3. Logistics for Meeting.
>     2a) Etherpad for notes
>         https://etherpad.tools.ietf.org/p/notes-cellar-virtual04?useMonospaceFont=true
>
>     2b) Roll call
>     c) March meeting in March 26. 20:00 UTC.  Preference to meetecho... webrtc based.
>        21:00 UTC.
>
> 4. WG status update
>     - EBML is now in IESG publication queue. Thx to Steven Villereal for the shepherd writeup.
>     Shepherd writeup: https://datatracker.ietf.org/doc/draft-ietf-cellar-ebml/shepherdwriteup/
>     - work on Matroska and FFV1 issues!!
>     Preview of xml2rfc v3 for FFV1 is at https://htmlpreview.github.io/?https://gist.githubusercontent.com/dericed/5ce9c949eeec9042a4ac5e2b222f1cc0/raw/b315b8d3f5c4b06ecf656fc1fb7e9ad9bd6fd88c/draft-ietf-cellar-ffv1-06.html.
>     - confirm list of dates for meetings:
>         2019-01-29
>         2019-02-26
>         2019-03-26
>
>
> 5. https://github.com/FFmpeg/FFV1/issues  (without a version):
>     - new v0,1,3 was posted in September, are there still issues with v1?
>     - Jerome still has to work to do on 0,1,3 version.
>     - https://github.com/FFmpeg/FFV1/pull/100  new feature for v3.  Could be an extension done later on?
>     - https://github.com/FFmpeg/FFV1/pull/111  CRITICAL PATH. Jerome.
>    - hoping to get into WGLC by mid-January.
>
> 6. https://github.com/Matroska-Org/matroska-specification/issues
>     - what new issues?
>     - 29 issues open.
>     - draft-ietf-cellar-tags-00
>     - draft-ietf-cellar-codec-00
>     - draft-ietf-cellar-matroska-01   (165 pages. Maybe it could be broken up further)
>
>
> 7. Any other Business.
>    https://appear.in/cellar-interim   We have Tim, Steve, MCR, Jerome, Martin,... Dave missing.
>
> --
> Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
>   -= IPv6 IoT consulting =-
>
> _______________________________________________
> Cellar mailing list
> Cellar@ietf.org
> https://www.ietf.org/mailman/listinfo/cellar

--------------E87503F80D2C9B88BC760C45
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<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
    <p>Hi Michael</p>
    <p>Thanks for this info email.</p>
    <p>Martin Below<br>
    </p>
    <div class="moz-cite-prefix">Am 28.01.2019 um 16:19 schrieb Michael
      Richardson:<br>
    </div>
    <blockquote type="cite" cite="mid:7307.1548688793@localhost">
      <pre class="moz-quote-pre" wrap="">
CELLAR -- DRAFT AGENDA for Virtual Interim Meeting
January 29, 2019        20:00 UTC

   DRAFT MINUTES FROM 2018-12-18 are attached at the end.

INFO:
     <a class="moz-txt-link-freetext" href="https://datatracker.ietf.org/meeting/interim-2019-cellar-01/session/cellar">https://datatracker.ietf.org/meeting/interim-2019-cellar-01/session/cellar</a>
     <a class="moz-txt-link-freetext" href="https://datatracker.ietf.org/doc/agenda-interim-2019-cellar-01-sessa/">https://datatracker.ietf.org/doc/agenda-interim-2019-cellar-01-sessa/</a>

WEB CONFERENCE:
   <a class="moz-txt-link-freetext" href="https://appear.in/cellar-interim">https://appear.in/cellar-interim</a>
   THERE IS NO TELEPHONE DIALIN
   You can try this at any time.

Proposed Agenda:

1. Note Well.
2. Accept draft minutes from December meeting

3. Logistics for Meeting.
   2a) Etherpad for notes
       <a class="moz-txt-link-freetext" href="https://etherpad.tools.ietf.org/p/notes-cellar-virtual?useMonospaceFont=true">https://etherpad.tools.ietf.org/p/notes-cellar-virtual?useMonospaceFont=true</a>

   2b) APPEAR.IN for video and screen sharing.
       <a class="moz-txt-link-freetext" href="https://appear.in/cellar-interim">https://appear.in/cellar-interim</a>
       (as agreed last meeting)

   2c) Roll call

4. WG status update
   - EBML is now in IESG publication queue.
   - work on Matroska and FFV1 issues!!
   - confirm list of dates for meetings:
       2019-01-29
       2019-02-26
       2019-04-02       *NEW DATE*

5. Dave Rice on updates to EBML to address AD comments.

6. Steve LHome on Matroska document changes since last meeting.

7. WG plans for advancing documents.

=====

CELLAR -- Agenda for Virtual Interim Meeting
December 18, 2018        20:00 UTC

INFO:
        <a class="moz-txt-link-freetext" href="https://datatracker.ietf.org/meeting/interim-2018-cellar-04/session/cellar">https://datatracker.ietf.org/meeting/interim-2018-cellar-04/session/cellar</a>

WEBEX:
        <a class="moz-txt-link-freetext" href="https://ietf.webex.com/ietf/j.php?MTID=me21026faa14be85507cdef66b860014e">https://ietf.webex.com/ietf/j.php?MTID=me21026faa14be85507cdef66b860014e</a>

Attendees:
	* Michael Richardson
	* Jérôme Martinez
	* Martin Below
	* Dave Rice (as call-in user)
	* Tim Terriberry
	* Steve Lhomme
	* &lt;PLEASE SIGN YOUR NAME HERE&gt;

Missing:

Regrets:
	* Moritz Bunkus
	* Reto Kromer
	* Michael Niedermayer



Agenda:

1. Note Well.    <a class="moz-txt-link-freetext" href="https://www.ietf.org/about/note-well/">https://www.ietf.org/about/note-well/</a>
Proposed Agenda:

1. Note Well.

2. Accept draft minutes from September meeting
	<a class="moz-txt-link-freetext" href="https://datatracker.ietf.org/meeting/interim-2018-cellar-05/materials/minutes-interim-2018-cellar-05-201809252000">https://datatracker.ietf.org/meeting/interim-2018-cellar-05/materials/minutes-interim-2018-cellar-05-201809252000</a>
		taken as written.

3. Logistics for Meeting.
   2a) Etherpad for notes
       <a class="moz-txt-link-freetext" href="https://etherpad.tools.ietf.org/p/notes-cellar-virtual04?useMonospaceFont=true">https://etherpad.tools.ietf.org/p/notes-cellar-virtual04?useMonospaceFont=true</a>

   2b) Roll call
   c) March meeting in March 26. 20:00 UTC.  Preference to meetecho... webrtc based.
      21:00 UTC.

4. WG status update
   - EBML is now in IESG publication queue. Thx to Steven Villereal for the shepherd writeup.
   Shepherd writeup: <a class="moz-txt-link-freetext" href="https://datatracker.ietf.org/doc/draft-ietf-cellar-ebml/shepherdwriteup/">https://datatracker.ietf.org/doc/draft-ietf-cellar-ebml/shepherdwriteup/</a>
   - work on Matroska and FFV1 issues!!
   Preview of xml2rfc v3 for FFV1 is at <a class="moz-txt-link-freetext" href="https://htmlpreview.github.io/?https://gist.githubusercontent.com/dericed/5ce9c949eeec9042a4ac5e2b222f1cc0/raw/b315b8d3f5c4b06ecf656fc1fb7e9ad9bd6fd88c/draft-ietf-cellar-ffv1-06.html">https://htmlpreview.github.io/?https://gist.githubusercontent.com/dericed/5ce9c949eeec9042a4ac5e2b222f1cc0/raw/b315b8d3f5c4b06ecf656fc1fb7e9ad9bd6fd88c/draft-ietf-cellar-ffv1-06.html</a>.
   - confirm list of dates for meetings:
       2019-01-29
       2019-02-26
       2019-03-26


5. <a class="moz-txt-link-freetext" href="https://github.com/FFmpeg/FFV1/issues">https://github.com/FFmpeg/FFV1/issues</a>  (without a version):
   - new v0,1,3 was posted in September, are there still issues with v1?
   - Jerome still has to work to do on 0,1,3 version.
   - <a class="moz-txt-link-freetext" href="https://github.com/FFmpeg/FFV1/pull/100">https://github.com/FFmpeg/FFV1/pull/100</a>  new feature for v3.  Could be an extension done later on?
   - <a class="moz-txt-link-freetext" href="https://github.com/FFmpeg/FFV1/pull/111">https://github.com/FFmpeg/FFV1/pull/111</a>  CRITICAL PATH. Jerome.
  - hoping to get into WGLC by mid-January.

6. <a class="moz-txt-link-freetext" href="https://github.com/Matroska-Org/matroska-specification/issues">https://github.com/Matroska-Org/matroska-specification/issues</a>
   - what new issues?
   - 29 issues open.
   - draft-ietf-cellar-tags-00
   - draft-ietf-cellar-codec-00
   - draft-ietf-cellar-matroska-01   (165 pages. Maybe it could be broken up further)


7. Any other Business.
  <a class="moz-txt-link-freetext" href="https://appear.in/cellar-interim">https://appear.in/cellar-interim</a>   We have Tim, Steve, MCR, Jerome, Martin,... Dave missing.

--
Michael Richardson <a class="moz-txt-link-rfc2396E" href="mailto:mcr+IETF@sandelman.ca">&lt;mcr+IETF@sandelman.ca&gt;</a>, Sandelman Software Works
 -= IPv6 IoT consulting =-
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