[gtk-engines/gnome3] Document new accel_label_shade option.

[Benjamin Berg <bberg src gnome org>]

commit c41a8d3ef80c9442fe9f32089ae15a8c86dee84d
Author: Benjamin Berg <benjamin sipsolutions net>
Date:   Sat Apr 3 16:21:31 2010 +0200

    Document new accel_label_shade option.

 schema/clearlooks.xml.in.in |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/schema/clearlooks.xml.in.in b/schema/clearlooks.xml.in.in
index 374f6e3..8689499 100644
--- a/schema/clearlooks.xml.in.in
+++ b/schema/clearlooks.xml.in.in
@@ -109,5 +109,14 @@
     <_long_name>Radius</_long_name>
     <preferred_widget>slider</preferred_widget>
   </option>
+
+  <option name="accel_label_shade" type="real" default="1.0">
+    <minimum>0</minimum>
+    <maximum>1</maximum>
+    <precision>2</precision>
+    <_long_name>Shade of accelerator labels</_long_name>
+    <_description>The value used to mix the label color with the background color. The value is effectively the opacity.</_description>
+    <preferred_widget>slider</preferred_widget>
+  </option>
   
 </engine>