See also: IRC log
<trackbot> Date: 01 September 2010
<John> Regret: not able to phone in today. Will try to follow IRC for a while and comment as appropriate.
I have the email with attachment
<Vlad> discussed the slides sent via email, no changes - please submit your comments over email
Sylvain: is there data that shows fonts will fail on one platform but not on another based on faulty checksums?
Jonathan: WOFF is a container. Why single out one detail of the OFF format and make it a conformance item?
Vlad: Firefox checked the checksums?
Jonathan; any structurally sound SFNT file should be able to be packed. Regardless of the contents.
Vlad: checksum helps to establish the file is sound
Sergey: other structural checks
are essential for making sure we can be lossless
... validating checksums is one of the steps
Sylvain: I don't see why
Sergey: woff creation tool should
validate sfnt structure
... validating checksum is part of that
Christopher: do we want woff creation tools to validate that it is a valid sfnt?
Vlad: spec mentions "sfnt" many times
<cslye> Are there security concerns? Is that a reason to ensure a valid sfnt?
<scribe is struggling a bit>
vlad: we have to make sure the input is structurally sound
sergey: if UA does partial decompression, it can't use the checksums
jonathan: define - what is a valid woff file?
vlad: recap: agreement on
checking the input file on structural integrity
... offsets proper values, and so on
... still split on whether checksums are part of the structure
or part of the semantics
julio: if we go down this path /
some fonts developed for corporate use might not work
... there may be inoffensive problems in a font
vlad: if a font fails, user should contact the maker and have it fixed
julio: maker might not be available
sergey; spec offers a choice: reject or make it work
julio: worried specifically about corporate fonts
vlad: checking is within scope; which actions to take it not in scope
<jfkthame> so if a woff file contains incorrect table checksums, is it a valid file or not?
vlad, out of time
<Julio> I have to check-out - thanks guys
jonathan: still fuzzy about the
definition of what is a valid woff file
... does the definition include the checksums?
sergey: we can say a valid file has a valid checksum. if checksum is incorrect: UA behaviour is undefined
<Vlad> Meeting: WebFonts WG
<Vlad> Scribe: Erik
John had to leave early
<Vlad> ScribeNick: erik
christopher: end the meeting and continue online?
vlad: next week I will be at
atypi
... volunteers for replacing the chair, or postponing the
call
christopher: we could use the list better - better documented in email
http://www.w3.org/Fonts/WOFF-FAQ
http://typophile.com/node/73465
wrapping up.
This is scribe.perl Revision: 1.135 of Date: 2009/03/02 03:52:20 Check for newer version at http://dev.w3.org/cvsweb/~checkout~/2002/scribe/ Guessing input format: RRSAgent_Text_Format (score 1.00) Found Scribe: Erik Inferring ScribeNick: erik Found ScribeNick: erik WARNING: No "Present: ... " found! Possibly Present: John Jonathan Julio Regret ScribeNick Sergey Sylvain Vlad christopher cslye jfkthame joined sergeym trackbot webfonts You can indicate people for the Present list like this: <dbooth> Present: dbooth jonathan mary <dbooth> Present+ amy Agenda: http://lists.w3.org/Archives/Public/public-webfonts-wg/2010Aug/0068.html Found Date: 01 Sep 2010 Guessing minutes URL: http://www.w3.org/2010/09/01-webfonts-minutes.html People with action items: WARNING: Input appears to use implicit continuation lines. You may need the "-implicitContinuations" option.[End of scribe.perl diagnostic output]