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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Behdad,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">At this point we don’t have a<a name="_MailEndCompose"> full feature proposal put together, but it’s something we’re interested in doing, particularly if others
in the community are supportive of the idea.<o:p></o:p></a></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Michelle<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> mpeg-OTspec@yahoogroups.com [mailto:mpeg-OTspec@yahoogroups.com]
<b>On Behalf Of </b>Behdad Esfahbod<br>
<b>Sent:</b> Thursday, January 3, 2013 2:51 PM<br>
<b>To:</b> Michelle Perham<br>
<b>Cc:</b> opentype-migration-list@indx.co.uk; OTspec (mpeg-OTspec@yahoogroups.com); Dwayne Robinson<br>
<b>Subject:</b> Re: [mpeg-OTspec] MS Proposal: 'svrt' feature<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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<p>On 13-01-03 03:30 PM, Michelle Perham wrote:<br>
> <br>
> <br>
> I have one last proposal to submit on behalf of Microsoft. This one was also<br>
> put together by Dwayne Robinson. If people feel it’s worthwhile, we’ll need to<br>
> draft the text as it would appear in the spec.<br>
> <br>
> <br>
> <br>
> Summary: Create a new feature tag to account for limitations in the ‘vert’ feature<br>
> <br>
> <br>
> <br>
> Details: The OpenType ‘vert’ feature adjusts the positioning and form of<br>
> numerous upright glyphs in vertical text. However, there is no OpenType<br>
> feature to adjust positioning and form of glyphs of other non-ideographic<br>
> scripts in vertical text, such as Latin turned 90 degrees clockwise. This<br>
> results in poor alignment of certain punctuation. Using ‘vert’ for these<br>
> non-upright characters would be unwise because ‘vert’ substitutes glyph forms<br>
> that are expected to be upright rather than turned, so this can result in<br>
> /doubly/ turned glyphs like brackets and arrows (such as U+2192). Had ‘vert’<br>
> only changed positioning and form, it could have been used for both, where<br>
> higher level layout would have controlled character orientation via a standard<br>
> like UTR 50. However, since ‘vert’ has historically conflated orientation into<br>
> the substitution, I propose the distinct ‘svrt’ GSUB/GPOS tag for such usage -<br>
> credit to Elika Etemad for the idea.<br>
<br>
While in general I welcome this proposal, I think there needs to be clear<br>
instructions on how this should interact with 'vert', 'vrt2', as well as<br>
engine-level rotation. Do you have full feature proposal?<br>
<br>
behdad<br>
<br>
> Thanks!<br>
> <br>
> <br>
> <br>
> Michelle<br>
> <br>
> Microsoft Typography Group<br>
> <br>
> <br>
<br>
-- <br>
behdad<br>
<a href="http://behdad.org/">http://behdad.org/</a><o:p></o:p></p>
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