1 files changed, 11 insertions, 0 deletions

diff --git a/man/rmail.texi b/man/rmail.texi
index 1c3c264cf35..06ae5e05200 100644
--- a/man/rmail.texi
+++ b/man/rmail.texi
@@ -792,6 +792,10 @@ Summarize messages that have one or more of the specified recipients
 @item C-M-t @var{topic} @key{RET}
 Summarize messages that have a match for the specified regexp
 @var{topic} in their subjects (@code{rmail-summary-by-topic}).
+@item C-M-s @var{regexp}
+Summarize messages whose headers and the subject line match the
+specified regular expression @var{regexp}
+(@code{rmail-summary-by-regexp}).
 @end table
 
 @kindex h @r{(Rmail)}
@@ -821,6 +825,13 @@ addresses separated by commas.@refill
 makes a partial summary mentioning only the messages whose subjects have
 a match for the regular expression @var{topic}.
 
+@kindex C-M-s @r{(Rmail)}
+@findex rmail-summary-by-regexp
+  @kbd{C-M-s @var{rgexp} @key{RET}} (@code{rmail-summary-by-regexp})
+makes a partial summary which mentions only the messages whose headers
+(including the date and the subject lines) match the regular
+expression @var{regexp}.
+
   Note that there is only one summary buffer for any Rmail file; making one
 kind of summary discards any previously made summary.