Originally Posted by
rwanttaja
In the past, this seemed to be related to the "What You See is What You Get" (WYSIWYG) editing mode. When you're typing a post, there's a row of icons just above the text area. The first one is the WYSIWYG setting...it's like "a/A". Hit "post quick reply" to this message, then click the WYSIWYG button once. The slowness may end, though you may have to exit the editor and re-enter.
To see how text will actually appear, hit the "Go Advance" button on the lower right and hit the "Preview Post" button the lower right of the advanced editor page.
Ron Wanttaja