String interning table.
Support line continuation escapes in string literals.
Fix typo so all arguments are loaded.
Add [no line-terminator here] context handling in lexer.
Set newline flag if a token is preceded by a line terminator.
Prepare lexer for hooking up to generated parser.
Throw errors on future words immediately.
Check hex string escapes so we don't read past the end of the string.
Print error message with line number on lexical errors.
Free dynamically allocated yytext when closing.
Lex regular expression literals.
Move yytext and yynumber into js_State.
Clean up lexing macro use.
Create README files.