Fix previous change: allow . and _ in command name.
;; We'll insist that the number be followed by a colon or closing
;; paren, because otherwise this matches just about anything
;; containing a number with spaces around it.
- ("\\([a-zA-Z]+: ?\\)?\\([a-zA-Z]?:?[^:( \t\n]+\\)[:(][ \t]*\\([0-9]+\\)\
+ ("\\([-a-zA-Z._]+: ?\\)?\\([a-zA-Z]?:?[^:( \t\n]+\\)[:(][ \t]*\\([0-9]+\\)\
\\([) \t]\\|:\\([^0-9\n]\\|\\([0-9]+:\\)\\)\\)" 2 3 6)
;; Microsoft C/C++: