[antlr-interest] Redifinition of token in tokens {...}: CTAGBEGIN

[Jerry Dy]

Hi,
Why do I get an error "Redifinition of token in tokens {...}: 
CTAGBEGIN" for the following grammar?

Below parser with token reference to CTAGBEGIN seem to be causing the 
problem. Thanks!

-Jerry

options { language="Cpp"; }
class PageParser extends Parser;
test: CTAGBEGIN
        ;

class PageLexer extends Lexer;
tokens { CTAGBEGIN; }
OTAGBEGIN: '<' ('/' {$setType(CTAGBEGIN)})?
        ;



 
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