define-lex-regex-type-analyzer
define-lex-regex-type-analyzer is a Lisp macro in `lex.el
'.
(define-lex-regex-type-analyzer NAME DOC SYNTAX MATCHES DEFAULT)
Define a regexp type analyzer NAME with DOC string.
SYNTAX is the regexp that matches a syntactic expression.
MATCHES is an alist of lexical elements used to refine the syntactic
expression.
DEFAULT is the default lexical token returned when no MATCHES.