I think it would be a big UX improvement on tags fields to use something like this (styled a little better) instead of plain text comma-separated entry:

http://stackoverflow.com/questions/14083272/how-to-make-a-tags-box-using...
GitHub Issue #:
2121
Recent comments
To add a summary of event details to the list below the title and customize the way the time is displayed. If this is part of the library then I guess the easiest way is to create a list...
FullCalendar Views - way to modify list view?
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FullCalendar Views - way to modify list view?
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Use text editors in Summary Field