[evolution] Cover why mail signatures start with "-- "

[Andre Klapper <aklapper src gnome org>]

commit d6e9202bd5de8f6a6a8e7fa5f5cac5e1848fd106
Author: Andre Klapper <ak-47 gmx net>
Date:   Mon Feb 16 00:57:06 2015 +0100

    Cover why mail signatures start with "-- "
    
    Bug 744016

 help/C/mail-composer-mail-signatures-manage.page |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/help/C/mail-composer-mail-signatures-manage.page 
b/help/C/mail-composer-mail-signatures-manage.page
index e0af8ef..8bd5a8f 100644
--- a/help/C/mail-composer-mail-signatures-manage.page
+++ b/help/C/mail-composer-mail-signatures-manage.page
@@ -6,7 +6,7 @@
     
     <link type="guide" xref="mail-composer-mail-signatures" />
 
-    <revision pkgversion="3.0.2" version="0.2" date="2011-07-30" status="final"/>
+    <revision pkgversion="3.12.9" version="0.3" date="2015-02-15" status="final"/>
     <credit type="author">
       <name its:translate="no">Andre Klapper</name>
       <email its:translate="no">ak-47 gmx net</email>
@@ -22,4 +22,5 @@
 <p>You can add, edit and delete all your signatures under 
<guiseq><gui>Edit</gui><gui>Preferences</gui><gui>Composer 
preferences</gui><gui>Signatures</gui></guiseq>.</p>
 <p>Assigning a default signature to an email account has to be done in the <link 
xref="mail-composer-mail-signatures-per-account">account settings</link>.</p>
 
+<note style="tip"><p>Per <link href="http://tools.ietf.org/html/rfc3676#section-4.3";>long-standing 
convention</link>, signatures always start with two dashes and a space in a separate link. This allows many 
email clients to automatically strip signatures from quotes when replying.</p></note>
 </page>