I have a view template like below

\define FilterTiddler() test-tiddler

<$set name="revealFilters" tiddler=<<FilterTiddler>> field=text
emptyValue="[!is[system]]">
<$list
filter="[all[current]subfilter<revealFilters>match<currentTiddler>]">
<<currentTiddler>> is selected!!
</$list>
</$set>



This template is used to show a message on a selected tiddler (those
filtered through reavealFilters.
Filter shall be able to
1. select only one tiddler e.g myTiddler
2. select tiddlers by tag e.g. [tag[myTag]]
3. select tiddlers by combination of criteria e.g. [tag[foo]] [tag[bar]]
[prefix[New]]

My question is: in the above code
1. the *subfilter *is a selection constructor. Why do we need all[current]
in the filter?
2. What do you propose for the last part of the filter run? It seems the
match<currentTiddler>  is slow?
3. What simpler solution do you propose?



Best wishes
Mohammad

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