Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 4354)
+++ /CKEditor/trunk/CHANGES.html	(revision 4355)
@@ -81,4 +81,5 @@
 		<li><a href="http://dev.fckeditor.net/ticket/4504">#4504</a> : Fixed 'Enter'/'Esc' key is not working on dialog button.</li>
 		<li><a href="http://dev.fckeditor.net/ticket/4245">#4245</a> : 'Strange Template' now come with a style attribute for width.</li>
+		<li><a href="http://dev.fckeditor.net/ticket/4512">#4512</a> : Fixed styles plugin incorrectly adding semicolons to style text.</li>
 	</ul>
 	<h3>
Index: /CKEditor/trunk/_source/plugins/styles/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/styles/plugin.js	(revision 4354)
+++ /CKEditor/trunk/_source/plugins/styles/plugin.js	(revision 4355)
@@ -268,5 +268,5 @@
 
 		for ( var style in stylesDef )
-			stylesText += style + ':' + stylesDef[ style ] + ';';
+			stylesText += ( style + ':' + stylesDef[ style ] ).replace( semicolonFixRegex, ';' );
 
 		// Browsers make some changes to the style when applying them. So, here