Is there a way to return a list of the unique values in a list field?
''[[get Operator (Examples)]] demonstrates that `[each[tags]get[tags]]`
will list the value in every tiddler's tags field ''<br/>
''If I make a slight change, `[get[tags]each[tags]]`, I get a unique
listing of all the tags in a TiddlyWiki:''
<$list filter="[get[tags]each[tags]]" variable="type">
<$radio field="type" value=<<type>>><<type>></$radio><br>
</$list>
''Neither `[each[list]get[list]]` nor `[get[list]each[list]]` returns a
unique listing of all the list entries in a TiddlyWiki:''
`[each[list]get[list]]`
<$list filter="[each[list]get[list]]" variable="type">
<$radio field="type" value=<<type>>><<type>></$radio><br>
</$list>
`[get[list]each[list]]`
<$list filter="[each[list]get[list]]" variable="type">
<$radio field="type" value=<<type>>><<type>></$radio><br>
</$list>
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