----- Original Message -----
From: "Meho R." <me...@gmx.com>
To: "Unicode-based TeX for Mac OS X and other platforms" <xetex@tug.org>
Sent: Wednesday, February 23, 2011 9:27 AM
Subject: Re: [XeTeX] Accessing ligatures from FontForge
Thanks for the link. However, even Adobe's OTF fonts have same problems
when used with XeLaTeX regarding ligatures and searchability, so I don't
think it is a naming convention issue.
Adobe used to give their small caps, ligatures, old style numerals and so
forth PDF values. In recent years they have stopped doing that. So if you
are testing with an older Adobe font, it may be giving the ligatures PDF
values which, as you have seen, makes searching work poorly.
Curiously, when OTF fonts are
used with Scribus and ligatures are inserted manually, they are
recognized in PDF and no searchability issue there.
Scribus, AFAIK, does not support any OT features that implement high-quality
typography (ligatures, old style numerals, etc.). So I'm not sure what's
happening there. Is it using PUA values??
Also, when OTF fonts
are converted to TTF, it seems searchability issue is gone with XeLaTeX
too (at least seems like that for couple of fonts I just tested).
Now that's interesting. Converting fonts should preserve all Unicode
values, including PUA ones, but (depending on the software and settings
used) might remove OT features.
David
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