[XeTeX] can't access superscript glyphs outside Latin-1?

Khaled Hosny khaledhosny at eglug.org
Tue Apr 2 16:11:49 CEST 2013

On Tue, Apr 02, 2013 at 06:27:26PM +0800, Eric Abrahamsen wrote:
> I have an odd problem, and this is the only place I can think of to
> bring it up.
> I'm using XeLaTeX with fontspec and the Janson Pro OTF font from
> Linotype. I noticed recently that I don't get many superscripts glyphs
> when using "real" superscripts with \textsuperscript{} and xltxtra
> loaded. Specifically, I could only get superscripts for 1, 2, and 3, and
> "a" and "o", which seemed like a weird assortment.
> Linotype assures me the other ones are in there. I notice that
> superscripts for 1, 2, and 3 are all part of the Latin-1 block of
> Unicode, and that the superscript-looking "a" and "o" are actually the
> feminine and masculine ordinal indicators, also part of Latin-1.
> So... I can't help but think that I'm not "accessing" glyphs from ranges
> of codepoints outside Latin-1. I don't actually know all that much about
> fonts in general or OTF fonts in particular, but I do have fontforge
> installed on my machine and might be able to do something with it.

xltxtra’s \textsuperscript{} (actually it is realscripts’ now) uses
OpenType “sups” feature to access superscript glyphs, if the font have
the glyphs but there are not mapped using this feature you will not get


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