Grammar does not support complex uses of "and"

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Stuff like "Or on a bend sable between a mullet and a roundel gules, 
crescent argent" is going to be near impossible from a grammar standpoint, 
without putting some extra restrictions on use of conjunctions (maybe).  
Even extended lookahead won't make it easy.  And "Sable on a fess argent 
between two lozenges or a roundel gules between an increscent and a 
decrescent azure" is even tougher.

Original issue reported on code.google.com by a...@nvg.org on 24 Mar 2008 at 11:01