[gtk+] docs: Mention that tooltip_column text should be escaped in GtkIconView

[Carlos Garcia Campos <carlosgc src gnome org>]

commit 3b90a21763250bc1c8a1755bb1d34347b4106025
Author: Carlos Garcia Campos <carlosgc gnome org>
Date:   Sun Nov 14 12:39:48 2010 +0100

    docs: Mention that tooltip_column text should be escaped in GtkIconView

 gtk/gtkiconview.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkiconview.c b/gtk/gtkiconview.c
index 6345682..c080bba 100644
--- a/gtk/gtkiconview.c
+++ b/gtk/gtkiconview.c
@@ -5227,6 +5227,9 @@ gtk_icon_view_set_tooltip_query_cb (GtkWidget  *widget,
  * When enabled, #GtkWidget::has-tooltip will be set to %TRUE and
  * @icon_view will connect a #GtkWidget::query-tooltip signal handler.
  *
+ * Note that the signal handler sets the text with gtk_tooltip_set_markup(),
+ * so &amp;, &lt;, etc have to be escaped in the text.
+ *
  * Since: 2.12
  */
 void