[racket] Scribble: exact-chars in multiarg-element

From: Prabhakar Ragde (plragde at uwaterloo.ca)
Date: Wed May 18 20:49:07 EDT 2011

The 'exact-chars style property works with `element', but not with 
`multiarg-element'. (I can see why, in scribble/latex-render.rkt.) Was 
there a reason for this? I need to render something like


and the braces around the numbers are being escaped, which of course 
does the wrong thing. How do I get behaviour like this? Thanks. --PR

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