Index: /CKEditor/trunk/CHANGES.html
===================================================================
--- /CKEditor/trunk/CHANGES.html	(revision 6581)
+++ /CKEditor/trunk/CHANGES.html	(revision 6582)
@@ -43,4 +43,5 @@
 		<li><a href="http://dev.ckeditor.com/ticket/7004">#7004</a> : Allow loading plugin translations even if they aren't present in the plugin definition.</li>
 		<li><a href="http://dev.ckeditor.com/ticket/7315">#7315</a> : Fire the 'resize' event on dialog instances.</li>
+		<li><a href="http://dev.ckeditor.com/ticket/7259">#7259</a> : Dialog definition allows to specify initial 'width' and 'height' values.</li>
 	</ul>
 	<p>
Index: /CKEditor/trunk/_source/plugins/dialog/dialogDefinition.js
===================================================================
--- /CKEditor/trunk/_source/plugins/dialog/dialogDefinition.js	(revision 6581)
+++ /CKEditor/trunk/_source/plugins/dialog/dialogDefinition.js	(revision 6582)
@@ -85,4 +85,25 @@
  * @type Number
  * @default 400
+ * @example
+ */
+
+
+/**
+ * The initial width of the dialog, in pixels.
+ * @name CKEDITOR.dialog.definition.prototype.width
+ * @field
+ * @type Number
+ * @default @CKEDITOR.dialog.definition.prototype.minWidth
+ * @since 3.5.3
+ * @example
+ */
+
+/**
+ * The initial height of the dialog, in pixels.
+ * @name CKEDITOR.dialog.definition.prototype.height
+ * @field
+ * @type Number
+ * @default @CKEDITOR.dialog.definition.prototype.minHeight
+ * @since 3.5.3
  * @example
  */
Index: /CKEditor/trunk/_source/plugins/dialog/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/dialog/plugin.js	(revision 6581)
+++ /CKEditor/trunk/_source/plugins/dialog/plugin.js	(revision 6582)
@@ -755,6 +755,6 @@
 
 			// First, set the dialog to an appropriate size.
-			this.resize( this._.contentSize && this._.contentSize.width || definition.minWidth,
-					this._.contentSize && this._.contentSize.height || definition.minHeight );
+			this.resize( this._.contentSize && this._.contentSize.width || definition.width || definition.minWidth,
+					this._.contentSize && this._.contentSize.height || definition.height || definition.minHeight );
 
 			// Reset all inputs back to their default value.