[XeTeX] Faking an accent when that glyph is unavailable

Juan Acevedo juan.acevedo at gmx.net
Thu Apr 9 16:30:26 CEST 2009

Hi Henry

Back in 2005 I got some help from JK for this same kind of need; you  
can check the XeTeX archives on the date below. Also have a look at  
the lines below, where I applied JK's original idea using also  
diacritics from another font if necessary, and in one case adding the  
diacritic under the character. I do not understand much of these  
commands, just about the \raise part of it (!), but I think there are  
plenty of wizards in the list who could explian what is happening,  
should you need to clarify.


%% for a missing character, gratia Musa Furber and JK, XTX archives  
\def\vontop#1{\leavevmode \vtop{\offinterlineskip \ialign{##\cr #1\cr

%caron on top of GREEK, i.e. lower
\def\Gvontop#1{\leavevmode \vtop{\offinterlineskip \ialign{##\cr #1\cr

%ring underneath
\def\ounder#1{\leavevmode \vtop{\offinterlineskip \ialign{##\cr #1\cr


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