Variable: comp-valid-source-re
comp-valid-source-re is a variable defined in comp-run.el.gz.
Value
"\\.el\\(?:\\.gz\\)?\\'"
Documentation
Regexp to match filename of valid input source files.
Source Code
;; Defined in /usr/src/emacs/lisp/emacs-lisp/comp-run.el.gz
(defconst comp-valid-source-re (rx ".el" (? ".gz") eos)
"Regexp to match filename of valid input source files.")