From 33ae03f4003adb27651d00688016d1c4a979686f Mon Sep 17 00:00:00 2001
From: Alvaro Herrera <alvherre@alvh.no-ip.org>
Date: Sat, 16 Oct 2010 01:11:38 -0300
Subject: [PATCH] Document that translate() removes characters in "from" that
 don't have a corresponding "to" character.

Author: Josh Kupershmidt
---
 doc/src/sgml/func.sgml | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 5d422afef26..183b72cda48 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -1866,10 +1866,12 @@
         Any character in <parameter>string</parameter> that matches a
         character in the <parameter>from</parameter> set is replaced by
         the corresponding character in the <parameter>to</parameter>
-        set
+        set. If <parameter>from</parameter> is longer than
+        <parameter>to</parameter>, occurrences of the extra characters in
+        <parameter>from</parameter> are removed.
        </entry>
-       <entry><literal>translate('12345', '14', 'ax')</literal></entry>
-       <entry><literal>a23x5</literal></entry>
+       <entry><literal>translate('12345', '143', 'ax')</literal></entry>
+       <entry><literal>a2x5</literal></entry>
       </row>       
       
      </tbody>