[PATCH 4 of 6] Document email.sendcharsets in hgrc.5

[Christian Ebert]

# HG changeset patch
# User Christian Ebert <blacktrash at gmx.net>
# Date 1204991682 -3600
# Node ID 0ebd7f655fdc1fef161a10d0786ceac33b6c5b03
# Parent  3c8cb2011346553299944c8f8fb4f78f98ec5c19
Document email.sendcharsets in hgrc.5

hgrc.5.ja.txt probably should include an example like:

[email]
sendcharsets = iso-8859-1, iso-8859-15, windows-1252, iso-8859-2,
               windows-1250, iso-2022-jp, iso-2022-jp-ms

diff --git a/doc/hgrc.5.txt b/doc/hgrc.5.txt
--- a/doc/hgrc.5.txt
+++ b/doc/hgrc.5.txt
@@ -197,6 +197,11 @@
     recipients on command line, message on stdin).  Normally, setting
     this to "sendmail" or "/usr/sbin/sendmail" is enough to use
     sendmail to send messages.
+  sendcharsets;;
+    Optional.  Comma-separated list of charsets to which
+    international message headers and bodies (not patches) should
+    be converted.  Defaults to "iso-8859-1, iso-8859-15,
+    windows-1252".  "us-ascii" and "utf-8" need not be included.
 
   Email example: