    lex_symbol_generation_rule   37 htags/lexcommon.h lexcommon.h requires the lex_symbol_generation_rule(x) macro for each language
    lex_symbol_generation_rule   40 htags/lexcommon.h #define LEXTEXT lex_symbol_generation_rule(text)
    lex_symbol_generation_rule   41 htags/lexcommon.h #define LEXLENG lex_symbol_generation_rule(leng)
    lex_symbol_generation_rule   42 htags/lexcommon.h #define LEXIN lex_symbol_generation_rule(in)
    lex_symbol_generation_rule   43 htags/lexcommon.h #define LEXRESTART lex_symbol_generation_rule(restart)