[mpeg-OTspec] Updated 4th edition working draft available for review

Levantovsky, Vladimir vladimir.levantovsky at monotype.com
Tue Mar 21 18:33:32 CET 2017

Dear Martin,

I am sure you've noticed that this particular portion of the Working Draft spec is highlighted with the comment that summarizes the essence of your proposed change (my recollection is that your original proposal was very specific to the highlighted part, not the whole paragraph). However, the standards development is a group effort, and the process requires reaching a consensus for a proposed change to make it part of the spec, and it is important for implementers to agree on it. As a chair of the AHG I am a facilitator of the discussion but I am not the one [not the only one] you need to convince to implement the proposed change.

I remember we discussed this issue via email where you were asked to outline specific use cases where the particular limitation you want to see removed was a concern, but I must admit I don’t remember the outcome of that discussion. If you did provide the description of use cases where LangSysCount limitation is a concern, I think it would be worth repeating and bringing it up again for discussion.

Thank you,

-----Original Message-----
From: mpeg-OTspec at yahoogroups.com [mailto:mpeg-OTspec at yahoogroups.com] On Behalf Of Martin Hosken martin_hosken at sil.org [mpeg-OTspec]
Sent: Tuesday, March 21, 2017 6:00 AM
To: 'Levantovsky, Vladimir' vladimir.levantovsky at monotype.com [mpeg-OTspec]
Cc: mpeg-OTspec at yahoogroups.com; Dave Arnold (darnold at adobe.com); Read Roberts; Ken Lunde (lunde at adobe.com); Peter Constable (petercon at microsoft.com)
Subject: Re: [mpeg-OTspec] Updated 4th edition working draft available for review

Dear Vladimir,

> This is just a friendly reminder that we have one week left to discuss the changes in the 4th edition Working Draft of the OFF standard. Your comments on both previously introduced and newly proposed changes would be much appreciated. We've had significant changes made in the description of the CFF2 table and CFF2 CharString format - I'd like to ask for your time to review and comment on these portions of the document.

As mentioned a few times now:

> I would like to return to a discussion thread that got dropped a while back and that is I would like to remove the following paragraph from chapter2:
> "If a Script table with the script tag 'DFLT' (default) is present in the ScriptList table, it must have a non-NULL DefaultLangSys and LangSysCount must be equal to 0. The 'DFLT' Script table should be used if there is not an explicit entry for the script being formatted."


Posted by: Martin Hosken <martin_hosken at sil.org>


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