[gedit] Document the alt+up/down shortcuts for moving lines

[Claude Paroz <claudep src gnome org>]

commit fa995f82fac27193845ec87bec98108e6559272c
Author: Claude Paroz <claude 2xlibre net>
Date:   Fri May 14 11:26:28 2010 +0200

    Document the alt+up/down shortcuts for moving lines
    
    Fixes bug #576593

 help/C/gedit.xml |   22 +++++++++++++++-------
 1 files changed, 15 insertions(+), 7 deletions(-)
---
diff --git a/help/C/gedit.xml b/help/C/gedit.xml
index 0fda9c4..f790c19 100644
--- a/help/C/gedit.xml
+++ b/help/C/gedit.xml
@@ -971,34 +971,42 @@
                       </row>
                     </thead>
                     <tbody>
-                      <row valign="top">               
+                      <row valign="top">
                         <entry><para>Ctrl + Z</para></entry>
                         <entry><para>Undo the last action.</para></entry>
                       </row>
-                      <row valign="top">               
+                      <row valign="top">
                         <entry><para>Ctrl + Shift + Z</para></entry>
                         <entry><para>Redo the last undone action .</para></entry>
                       </row>
-                      <row valign="top">               
+                      <row valign="top">
                         <entry><para>Ctrl + X</para></entry>
                         <entry><para>Cut the selected text or region and place it on the clipboard.</para></entry>
                       </row>
-                      <row valign="top">               
+                      <row valign="top">
                         <entry><para>Ctrl + C</para></entry>
                         <entry><para>Copy the selected text or region onto the clipboard.</para></entry>
                       </row>
-                      <row valign="top">               
+                      <row valign="top">
                         <entry><para>Ctrl + V</para></entry>
                         <entry><para>Paste the contents of the clipboard.</para></entry>
                       </row>
-                      <row valign="top">               
+                      <row valign="top">
                         <entry><para>Ctrl + A</para></entry>
                         <entry><para>Select all.</para></entry>
                       </row>
-                      <row valign="top">               
+                      <row valign="top">
                         <entry><para>Ctrl + D</para></entry>
                         <entry><para>Delete current line.</para></entry>
                       </row>
+                      <row valign="top">
+                        <entry><para>Alt + Up</para></entry>
+                        <entry><para>Move the selected line up one line.</para></entry>
+                      </row>
+                      <row valign="top">
+                        <entry><para>Alt + Down</para></entry>
+                        <entry><para>Move the selected line down one line.</para></entry>
+                      </row>
                     </tbody>
                   </tgroup>
                 </informaltable>