Ticket #27761: 27761.2.diff

src/wp-admin/js/dashboard.js

@@ -152 +152 @@
                 // propertychange is for IE < 9
                 editor.on('focus input propertychange', function() {
                         var $this = $(this),
+                                oldIE = document.documentMode && document.documentMode < 9, // IE < 9
                                 // &nbsp; is to ensure that the height of a final trailing newline is included.
                                 textareaContent = $this.val() + '&nbsp;',
                                 // 2px is for border-top & border-bottom
@@ -158 +159 @@
                                 cloneHeight = clone.css('width', $this.css('width')).text(textareaContent).outerHeight() + 2;
 
                         // Default to having scrollbars
-                        editor.css('overflow-y', 'auto');
+                        if ( oldIE ) { 
+                                cloneHeight += 10;
+                        } else {
+                                editor.css('overflow-y', 'auto');
+                        }
 
                         // Only change the height if it has indeed changed and both heights are below the max.
                         if ( cloneHeight === editorHeight || ( cloneHeight >= editorMaxHeight && editorHeight >= editorMaxHeight ) ) {
@@ -173 +178 @@
                                 editorHeight = cloneHeight;
                         }
 
-                        // No scrollbars as we change height
-                        editor.css('overflow-y', 'hidden');
+                        // No scrollbars as we change height, not for IE < 9
+                        if ( ! oldIE ) {
+                                editor.css('overflow-y', 'hidden');
+                        }
 
                         $this.css('height', editorHeight + 'px');
                 });