1lexer grammar t040bug80; 2options { 3 language =Cpp; 4} 5 6@lexer::includes 7{ 8#include "UserTestTraits.hpp" 9} 10@lexer::namespace 11{ Antlr3Test } 12 13ID_LIKE 14 : 'defined' 15 | {False}? Identifier 16 | Identifier 17 ; 18 19fragment 20Identifier: 'a'..'z'+ ; // with just 'a', output compiles 21