existing file when appending.
(Fread_file_name): Don't insert DIR or INITIAL if it isn't a string.
markup (rfc1738), done last, after possible partial matches. (gnus-button-url): Zap any whitespace from a <URL:...> match.
(disabled-command-hook): New option ! turns off disabled commands.
a parameter. Do ampersand expansion, if required. (init_editfns): Use it.
(Fuser_full_name): Accept an optional UID and return the full name of that user instead.
(mail-yank-original): Handle either an action or a buffer in mail-reply-action. (mail): Doc fix. (mail-mode-fill-paragraph): New function. (mail-mode): Set fill-paragraph-function.
(url): Move back over periods at the end. Downcase arguments as Lisp symbols. Fix many doc strings. (thing-at-point-file-name-chars): Renamed from file-name-chars. Allow a colon. (thing-at-point-url-chars): New variable. (url): Define new kind of "thing".