From: Lars Ingebrigtsen <larsi@gnus.org>
Date: Sat, 13 Jul 2019 02:55:52 +0000 (+0200)
Subject: Add some indices for regexp character classes
X-Git-Tag: emacs-27.0.90~1974
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=3e2e2aa45007335ff43fce7549ff60d4c5491fe2;p=emacs.git

Add some indices for regexp character classes

* doc/lispref/searching.texi (Char Classes): Add some concept
index entries for a handful of character classes (bug#32430).
---

diff --git a/doc/lispref/searching.texi b/doc/lispref/searching.texi
index 4408fc60c24..d7810580b94 100644
--- a/doc/lispref/searching.texi
+++ b/doc/lispref/searching.texi
@@ -577,6 +577,10 @@ an unquoted @samp{[} is special again and a @samp{]} not.
 @node Char Classes
 @subsubsection Character Classes
 @cindex character classes in regexp
+@cindex ascii character class, regexp
+@cindex alnum character class, regexp
+@cindex alpha character class, regexp
+@cindex xdigit character class, regexp
 
   Here is a table of the classes you can use in a character alternative,
 and what they mean: