[antlr-interest] How to implement case insensitive keyword in antlr3

[Hub Dog]

Dear Friends,

        I am just porting an antlr v2 project to antlr3.The keyword of
language is  case insensitive.In the antlr v2, there is a
caseSensitiveLiterals option for lexer.
But it seems there is not such an option in v3. Does someone know how to
implement case insensitive keyword  in antlr3 .


best regards
ma lifang
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