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<div>Just a comment on uppercase/lowercase: it isn't mentioned anywhere in the spec I believe, but there was some sort of convention / understanding when Microsoft licensed the truetype font scaler code / tech from Apple, that new tables are to be added in upper-cases, while Apple's older tables were all in lower-cases, and Apple may add new tables in lowercases. Hence the current observed patterns of upper/lowercases. I don't know how legally binding that convention is to either party, or to 3rd parties. Maybe Apple/Microsoft folks can comment on this.</div><div><br></div><div>That said, how about LOC2 / GLY2? If they are related to loca and glyf ? And if that's the case, why aren't they done in a new/expanded version of those?</div><div><br></div>
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On Wednesday, 27 September 2023 at 03:09:15 BST, suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp> wrote:
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<div><div dir="ltr">Dear Liam,<br></div><div dir="ltr"><br></div><div dir="ltr">You proposed "LOCX" and "GLYX" as the tags for<br></div><div dir="ltr">the new implementations. The tags "LOCX" and<br></div><div dir="ltr">"GLYX" are natural for the proposed extension.<br></div><div dir="ltr">I appreciate.<br></div><div dir="ltr"><br></div><div dir="ltr">But according to a header file of GhostScript/GhostPDL,<br></div><div dir="ltr"><br></div><div dir="ltr"><a href="https://github.com/ArtifexSoftware/ghostpdl/blob/master/devices/gxfcopy.h" rel="nofollow" target="_blank">https://github.com/ArtifexSoftware/ghostpdl/blob/master/devices/gxfcopy.h</a><br></div><div dir="ltr"><br></div><div dir="ltr">I have a concern that "gdir", "locx," and "glyx"<br></div><div dir="ltr">might have been used in some PostScript documents<br></div><div dir="ltr">to emit the TrueType font for the generation of PDF.<br></div><div dir="ltr"><br></div><div dir="ltr">Even if "locx" and "glyx" were once used, the<br></div><div dir="ltr">difference between lowercase/uppercase is<br></div><div dir="ltr">sufficient to avoid confusion?<br></div><div dir="ltr"><br></div><div dir="ltr">I wish Adobe experts could check whether old<br></div><div dir="ltr">versions of AdobePS printer drivers used them<br></div><div dir="ltr">for their internal use.<br></div><div dir="ltr"><br></div><div dir="ltr">Regards,<br></div><div dir="ltr">mpsuzuki<br></div><div dir="ltr">_______________________________________________<br></div><div dir="ltr">mpeg-otspec mailing list<br></div><div dir="ltr"><a href="mailto:mpeg-otspec@lists.aau.at" rel="nofollow" target="_blank">mpeg-otspec@lists.aau.at</a><br></div><div dir="ltr"><a href="https://lists.aau.at/mailman/listinfo/mpeg-otspec" rel="nofollow" target="_blank">https://lists.aau.at/mailman/listinfo/mpeg-otspec</a><br></div></div>
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