rem: appCore.setTextProperty("font", "size", size); 
add: if( size == "0" || size == "normal" || size === "+0" ) { appCore.removeTextProperty("font", size); dump("Removing font size\n"); } else { dump("Setting font size\n"); appCore.setTextProperty("font", "size", size); } 
context: function EditorSetFontSize(size){  if (appCore) {    appCore.setTextProperty("font", "size", size);  }          window.focus();}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/351d18f8fab2b14cc9f3fa977da6c5abf1878cb9/EditorCommands.js/clean/editor/ui/composer/content/EditorCommands.js