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Anyway....


Is any sort of reverse explanation possible. Ie, if a beginner looks 
at some code:

   ($a, $b) = m!a\s+(\d+)$!i ;

is there anyway to tell him what the "i" means, why the $a and $b are 
in parentheses, etc? And point to the relevant sections of a manual?

Almost as if the parse tree were annotated with manual section 
references. This would be great.

Ideally such a manual would be coded in something which represented 
things semantically, ie XML.


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