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Clarify that filter operator brackets cannot be nested

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Jeremy Ruston 2019-03-03 14:32:26 +00:00 committed by GitHub
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editions/tw5.com/tiddlers/filters/Introduction to filter notation.tid
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@ -83,3 +83,5 @@ as an alternative to `[tag[Vegetarian]]`. This allows the preference to change o
<<.def "Angle brackets">> `<>` mean that the parameter is the name of a [[variable|Variables]] whose value is to be used instead. Here we use the built-in <<.vlink currentTiddler>> variable in a filter that selects any tiddlers whose text contains the title of the current one:
> `[search<currentTiddler>]`
Note that these special brackets cannot be nested. It is not possible for example to write `[search{<currentTiddler>}]`.