org.texi: Add information about using `C-c *' in plain lists.

Patch submitted by Dan Davison.

doc/ChangeLog

@@ -1,3 +1,8 @@
+2009-07-21  Dan Davison <davison@stats.ox.ac.uk>  (tiny change)
+
+	* org.texi (Structure editing): Add information about `C-c *',
+	converting a plain list into a list of Org items.
+
 2009-07-20  Bastien Guerry  <bzg@altern.org>
 
 	* org.texi (Remember): Small rephrasing of the paragraph

doc/org.texi

@@ -1435,6 +1435,15 @@ region when calling this, all lines will be converted to list items.  If the
 first line already was a list item, any item markers will be removed from the
 list.  Finally, even without an active region, a normal line will be
 converted into a list item.
+@kindex C-c *
+@item C-c *
+Turn a normal line or plain list item into a headline (so that it
+becomes a subheading at its location). Also turn a headline into a
+normal line by removing the stars. If there is an active region, turn
+all lines in the region into headlines. If the first line in the
+region was an item, turn only the item lines into headlines. Finally,
+if the first line is a headline, remove the stars from all headlines
+in the region.
 @kindex S-@key{left}
 @kindex S-@key{right}
 @item S-@key{left}/@key{right}