Roo/htmleditor/FilterEmpty.js

diff --git a/Roo/htmleditor/FilterEmpty.js b/Roo/htmleditor/FilterEmpty.js
index 56797e2..fdd634a 100644 (file)
--- a/Roo/htmleditor/FilterEmpty.js
+++ b/Roo/htmleditor/FilterEmpty.js
@@ -23,6 +23,8 @@ Roo.extend(Roo.htmleditor.FilterEmpty, Roo.htmleditor.FilterBlack,
         if(node.hasChildNodes()) {
             node.walk();
         }
+
+        if(!['B', 'I', 'U', 'S'].indexOf(node.tagName) > -1))
         if (node.attributes && node.attributes.length > 0 || node.childNodes.length > 0) {
             return true;
         }