diff options
Diffstat (limited to 'lisp/help-fns.el')
| -rw-r--r-- | lisp/help-fns.el | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lisp/help-fns.el b/lisp/help-fns.el index cae0247a542..3c237654fb9 100644 --- a/lisp/help-fns.el +++ b/lisp/help-fns.el @@ -721,6 +721,10 @@ Returns a list of the form (REAL-FUNCTION DEF ALIASED REAL-DEF)." ((invalid-function void-function) doc-raw)))) (run-hook-with-args 'help-fns-describe-function-functions function) (insert "\n" (or doc "Not documented."))) + (when (or (function-get function 'pure) + (function-get function 'side-effect-free)) + (insert "\nThis function does not change global state, " + "including the match data.")) ;; Avoid asking the user annoying questions if she decides ;; to save the help buffer, when her locale's codeset ;; isn't UTF-8. |