Confluence 3.5.13 and Team Calendars 2.2.2:

If you have an entry at your team calendar with the characters "->" and then you move it to another day, the ">" will be changed to "-&gt".

Steps to reproduce:

1. Create an entry in Team calendar that has "-->" in it; (Step 1 and 2 attached images)
2. Drag and drop the calendar entry to another date;
3. Refresh the page - When the moved calendar entry is opened again, the "->" gets changed to "-&gt".