... TWiki ? TWikiInfixParserDotPm . A simple stack-based parser that parses infix expressions with nonary, unary and binary operators specified using an operator table. ... The tokeniser matches tokens in the following order: operators, quotes (" and '), numbers, words, brackets. ... name - operator string . ... The existance of close marks this as a bracket operator. casematters= - indicates that the parser should check case in the operator name (i.e. treat 'AND' and 'and' as different). ...