[mountainlion-changes] sandbox/lexer _Lex_comment.c, 1.3, 1.4 _Lex_identifier_or_keyword.c, 1.5, 1.6 _Lex_string.c, 1.4, 1.5 _lexer.h, 1.20, 1.21 get_token.c, 1.13, 1.14