[XeTeX] combining characters in isolation

[David Perry]

Khaled Hosny wrote [quoting David Perry]:
>> That's a great suggestion; I would definitely try it if you have a
>> tool that will show you what the glyph ID for the character you want
>> is, since XeTeX provides that handy command \XeTeXglyphXXXX.
> 
> Put glyph IDs are very unportable, it will definitely not work across
> fonts, and my be even between different versions of the same font.
Absolutely correct.  My enthusiasm came from the fact that the original 
poster had tried a bunch of things, none of which had worked.  Calling 
the character by glyph ID certainly should fix his immediate problem--I 
have used it this way a couple of times and it has always succeeded.

David