Lexical analyser ================ This document contains various snippets of information about the lexer implementation. First sets ---------- IDENT [a-zA-Z] | '-' | '_' | [^#x0-#x7F] | '\' ATKEYWORD '@' STRING '"' | "'" INVALID_STRING '"' | "'" HASH '#' NUMBER [0-9] | '.' | '-' | '+' PERCENTAGE [0-9] | '.' | '-' | '+' DIMENSION [0-9] | '.' URI [Uu] UNICODE-RANGE [Uu] CDO '<' CDC '-' S #x9 | #xA | #xC | #xD | #x20 COMMENT '/' FUNCTION [a-zA-Z] | '-' | '_' | [^#x0-#x7F] | '\' INCLUDES '~' DASHMATCH '|' PREFIXMATCH '^' SUFFIXMATCH '$' SUBSTRINGMATCH '*' CHAR anything except " or '