From 6376a16ba24a5a097fc739b9c79ab555be4d9f1a Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Sat, 30 Apr 2016 15:06:26 -0400
Subject: [PATCH] Update contrib/unaccent documentation about its
 unaccent.rules file.

Commit 1bbd52cb9a4aa61a didn't bother with such niceties.
---
 doc/src/sgml/unaccent.sgml | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/doc/src/sgml/unaccent.sgml b/doc/src/sgml/unaccent.sgml
index 1382fafc5ec..2b127e6736c 100644
--- a/doc/src/sgml/unaccent.sgml
+++ b/doc/src/sgml/unaccent.sgml
@@ -55,7 +55,7 @@
 &Atilde;        A
 &Auml;        A
 &Aring;        A
-&AElig;        A
+&AElig;        AE
 </programlisting>
      The two characters must be separated by whitespace, and any leading or
      trailing whitespace on a line is ignored.
@@ -94,7 +94,10 @@
    A more complete example, which is directly useful for most European
    languages, can be found in <filename>unaccent.rules</>, which is installed
    in <filename>$SHAREDIR/tsearch_data/</> when the <filename>unaccent</>
-   module is installed.
+   module is installed.  This rules file translates characters with accents
+   to the same characters without accents, and it also expands ligatures
+   into the equivalent series of simple characters (for example, &AElig; to
+   AE).
   </para>
  </sect2>