[evolution] help: Cover how to debug missing applications to open attachments

[Andre Klapper <aklapper src gnome org>]

commit d177fa2dfc99de6286feb44bb757b24a0d09ed47
Author: Andre Klapper <a9016009 gmx de>
Date:   Fri Feb 21 13:48:13 2020 +0100

    help: Cover how to debug missing applications to open attachments
    
    https://mail.gnome.org/archives/evolution-list/2019-April/msg00086.html

 help/C/mail-attachments-received.page | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/help/C/mail-attachments-received.page b/help/C/mail-attachments-received.page
index 5111af7b15..808721a95f 100644
--- a/help/C/mail-attachments-received.page
+++ b/help/C/mail-attachments-received.page
@@ -7,7 +7,7 @@
     <link type="guide" xref="mail-displaying-message" />
     <link type="guide" xref="mail-attachments" />
 
-    <revision pkgversion="3.25.5" version="0.4" date="2017-07-04" status="final"/>
+    <revision pkgversion="3.35.91" version="0.5" date="2020-02-21" status="final"/>
     <credit type="author">
       <name its:translate="no">Andre Klapper</name>
       <email its:translate="no">ak-47 gmx net</email>
@@ -30,6 +30,6 @@
 <p>To save an attachment to disk, click the down-arrow next to the attachment icon and click <gui>Save 
As</gui>.</p>
 <p>To open an attachment in another application, click the down-arrow next to the attachment icon and choose 
one of the available applications.</p>
 
-<p>The options available for an attachment vary depending on the type of attachment and the applications 
that are installed on your system. Your desktop environment's MIME database defines which applications can be 
used to open a specific file format.</p>
+<note style="tip"><p>The options available for an attachment vary depending on the type of attachment and 
the applications that are installed on your system. Your desktop environment's MIME database defines which 
applications can be used to open a specific file format.</p><p>To see the list of registered applications for 
a MIME type, use <cmd>gio mime</cmd>. Example: <cmd>gio mime "application/pdf"</cmd></p></note>
 
 </page>