From a8b5bbefb32bb32ea7d06e0cb847407c6906ed04 Mon Sep 17 00:00:00 2001
From: Dave Love <fx@gnu.org>
Date: Wed, 31 Jan 2001 19:12:18 +0000
Subject: [PATCH] (Regexp Backslash): categories.

---
 lispref/searching.texi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lispref/searching.texi b/lispref/searching.texi
index 7274209adb7..e23be33e440 100644
--- a/lispref/searching.texi
+++ b/lispref/searching.texi
@@ -585,6 +585,15 @@ the characters that stand for them.
 @item \S@var{code}
 @cindex @samp{\S} in regexp
 matches any character whose syntax is not @var{code}.
+
+@item \c@var{c}
+matches any character whose category is @var{c}.  Here @var{c} is a
+character that represents a category: thus, @samp{c} for Chinese
+characters or @samp{g} for Greek characters in the standard category
+table.
+
+@item \C@var{c}
+matches any character whose category is not @var{c}.
 @end table
 
   The following regular expression constructs match the empty string---that is,
-- 
2.39.5