* lisp/mail/rmailsum.el: Commas no longer separate regexps. (Bug#19026)

(rmail-summary-by-recipients, rmail-summary-by-topic)
(rmail-summary-by-senders): No longer use mail-comma-list-regexp.

* doc/emacs/rmail.texi (Rmail Make Summary): Update for this change.

; * etc/NEWS: Mention this.

1 files changed, 4 insertions, 7 deletions

diff --git a/doc/emacs/rmail.texi b/doc/emacs/rmail.texi
index 82ac99f4776..6cad28099a6 100644
--- a/doc/emacs/rmail.texi
+++ b/doc/emacs/rmail.texi
@@ -926,8 +926,7 @@ commas.
 @findex rmail-summary-by-recipients
   @kbd{C-M-r @var{rcpts} @key{RET}} (@code{rmail-summary-by-recipients})
 makes a partial summary mentioning only the messages that have one or
-more recipients matching the regular expression @var{rcpts}.  You can
-use commas to separate multiple regular expressions.  These are matched
+more recipients matching the regular expression @var{rcpts}.  This is matched
 against the @samp{To}, @samp{From}, and @samp{CC} headers (supply a prefix
 argument to exclude this header).
 
@@ -935,9 +934,8 @@ argument to exclude this header).
 @findex rmail-summary-by-topic
   @kbd{C-M-t @var{topic} @key{RET}} (@code{rmail-summary-by-topic})
 makes a partial summary mentioning only the messages whose subjects have
-a match for the regular expression @var{topic}.  You can use commas to
-separate multiple regular expressions.  With a prefix argument, the
-match is against the whole message, not just the subject.
+a match for the regular expression @var{topic}.  With a prefix argument,
+the match is against the whole message, not just the subject.
 
 @kindex C-M-s @r{(Rmail)}
 @findex rmail-summary-by-regexp
@@ -950,8 +948,7 @@ expression @var{regexp}.
 @findex rmail-summary-by-senders
   @kbd{C-M-f @var{senders} @key{RET}} (@code{rmail-summary-by-senders})
 makes a partial summary that mentions only the messages whose @samp{From}
-fields match the regular expression @var{senders}.  You can use commas to
-separate multiple regular expressions.
+fields match the regular expression @var{senders}.
 
   Note that there is only one summary buffer for any Rmail buffer;
 making any kind of summary discards any previous summary.