Added docs for the new appearance mixin.

doc-src/content/CHANGELOG.markdown

@@ -31,6 +31,7 @@ The Documentation for the [latest preview release](http://beta.compass-style.org
 * The comma-delimited-list has been renamed to delimited-list and
   generalized to accept a delimiter which defaults to a comma.
   The old function continues to exist, but is deprecated.
+* A new CSS3 mixin for [appearance](/reference/compass/css3/appearance/) was added.
 
 0.11.beta.2 (02/01/2011)
 ------------------------

doc-src/content/reference/compass/css3/appearance.haml

@@ -0,0 +1,16 @@
+--- 
+title: Compass Appearance
+crumb: Appearance
+framework: compass
+stylesheet: compass/css3/_appearance.scss
+meta_description: Specify the CSS3 appearance property.
+layout: core
+classnames:
+  - reference
+  - core
+  - css3
+---
+- render 'reference' do
+  :markdown
+    Provides a mixin for `appearance`.
+    See the CSS3 specification: [appearance](http://www.w3.org/TR/css3-ui/#appearance).