Re: {{ double braces }}

[Hans Hagen <pragma@wxs.nl>]

Thomas A. Schmitz wrote:
> Hi Aditya,
> 
> now I need to apologize for being so slow to reply: thanks a lot, this  
> looks really fascinating! I don't know how many things I've read on  
> the web to understand if regexps can handle nested delimiters or not  
> (I think the long and short of it was that on some mathematical  
> principle it just isn't possible); there is some pretty obscure perl  
> stuff that might be able to do it but is highly experimental. If gema  
> really can do this, it should be a godsend for processing TeX files. I  
> have it installed now on my OS X box (but couldn't build the gel  
> binary) and am looking forward to experimenting with it.

lua's pattern matcher can hanle nested {} (syntax: %b{} and such)

more clever things can be done with lpeg, bla {bla\{bla} and such

if you're up to date you may try

	mtxrun --script check sometexfile.tex

this is a (for the mooment simple) syntax checker i wrote a while ago 
which shows the principles

Hans


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