Variable: Man-file-name-regexp
Man-file-name-regexp is a variable defined in man.el.gz.
Value
"[^<>\", \n]+"
Documentation
Regular expression describing <> in #include line (directive of cpp).
Source Code
;; Defined in /usr/src/emacs/lisp/man.el.gz
(defvar Man-file-name-regexp "[^<>\", \t\n]+"
"Regular expression describing <> in #include line (directive of cpp).")