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Create a tiddler called
DateFormatter that allows you to choose any non-system tiddler in the wiki and a field on that tiddler from drop-down menus, then displays the date stored in that field in at least five different formats. The formats displayed should be configurable by creating tiddlers in
If the field chosen can't be interpreted as a date, the text
(not a date) should appear where the formatted date otherwise would.
fields operator gets the names of the fields present on its input tiddlers.
Here's an example of what it might look like: