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On Wed, 9 Mar 2011, Leo Razoumov wrote:
Implementing such behavior might be possible but it will make parser/lexer more complicated and could alter Lua grammar. Out of curiosity, are there languages around that allow keyword tokens to be used as variables, strings, etc ?
PL/I was mentioned. I believe SQL also allows the use of keywords as identifiers.
Implementing this in a hand-written parser such as the one used by Lua is left as an exercise for the reader :-)
Ge'