[antlr-interest] Error: "Message ID 100 created but is not present in errorMsgIDs"

[Gavin Lambert]

At 02:57 12/07/2008, Johannes Luber wrote:
 >     grammar TestGrammar2;
 >
 >     defList: (CommentLine | Def | WS)*;
 >
 >     Def: 'DEFINE' WS Name;
 >     CommentLine:    '!' ~('\n'|'\r')* '\r'? '\n' { $channel =
 >HIDDEN; };
 >     fragment Name:    Letter AlphaNum*;
 >     fragment AlphaNum:    Letter | Digit;
 >     fragment Digit:    '0'..'9';
 >     fragment Letter    : 'A'..'Z' | 'a'..'z';
 >     WS: ( ' ' | '\t' | '\r' | '\n')+    { $channel = HIDDEN; };

Note that defList will never actually see CommentLine or WS 
tokens, since they're hidden.  So you might as well just render it 
like so:

   defList: Def*;