[gtk+] Mention gvfs in the gtk_show_uri() docs

[Matthias Clasen <matthiasc src gnome org>]

commit bf2a6114abb7262ff31f116dbb0c1a60567c52dc
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Jan 4 11:25:40 2011 -0500

    Mention gvfs in the gtk_show_uri() docs
    
    https://bugzilla.gnome.org/show_bug.cgi?id=622125

 gtk/gtkcssprovider.c |    3 ++-
 gtk/gtkshow.c        |   11 +++++++----
 2 files changed, 9 insertions(+), 5 deletions(-)
---
diff --git a/gtk/gtkcssprovider.c b/gtk/gtkcssprovider.c
index 1bd7bcd..6f72071 100644
--- a/gtk/gtkcssprovider.c
+++ b/gtk/gtkcssprovider.c
@@ -559,7 +559,8 @@
  *         <entry>engine</entry>
  *         <entry>engine-name</entry>
  *         <entry>#GtkThemingEngine</entry>
- *         <entry>engine: clearlooks;</entry>
+ *         <entry>engine: clearlooks;
+ *  engine: none; /&ast; use the default (i.e. builtin) engine) &ast;/ </entry>
  *       </row>
  *       <row>
  *         <entry>background-color</entry>
diff --git a/gtk/gtkshow.c b/gtk/gtkshow.c
index 551f393..3b24c7b 100644
--- a/gtk/gtkshow.c
+++ b/gtk/gtkshow.c
@@ -28,14 +28,17 @@
 
 /**
  * gtk_show_uri:
- * @screen: (allow-none): screen to show the uri on or %NULL for the default screen
+ * @screen: (allow-none): screen to show the uri on
+ *     or %NULL for the default screen
  * @uri: the uri to show
- * @timestamp: a timestamp to prevent focus stealing.
+ * @timestamp: a timestamp to prevent focus stealing
  * @error: a #GError that is returned in case of errors
  *
  * This is a convenience function for launching the default application
- * to show the uri. The uri must be of a form understood by GIO. Typical
- * examples are
+ * to show the uri. The uri must be of a form understood by GIO (i.e. you
+ * need to install gvfs to get support for uri schemes such as http://
+ * or ftp://, as only local files are handled by GIO itself).
+ * Typical examples are
  * <simplelist>
  *   <member><filename>file:///home/gnome/pict.jpg</filename></member>
  *   <member><filename>http://www.gnome.org</filename></member>