ticket248: send the 'aloha-smart-content-changed' event when deleting math, editing math and inserting math.  This event will make the Save button from Saved to Save if needed.
ticket248: send the 'aloha-smart-content-changed' event when deleting math, editing math and inserting math.  This event will make the Save button from Saved to Save if needed.
Merge pull request #6 from wysiwhat/ticket248

Fix for changing math in the math editor does mark the editable area as 'dirty'