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Docs update for Set Widget (#5239)

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* Update docs for Set Widget

This updates the docs for Set Widget to add a tip regarding a common source of misunderstanding for users, i.e. using Filtered List Variable Assignment and being confused as to why the value of the variable is in double square brackets.

* Corrected typos
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Saq Imtiaz 2020-12-09 12:12:57 +01:00 committed by GitHub
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editions/tw5.com/tiddlers/widgets/SetWidget.tid
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@ -24,6 +24,8 @@ The content of the `<$set>` widget is the scope for the value assigned to the va
|select |<<.from-version "5.1.14">> An optional zero-based index of the item to return from the filter output (see below) |
|emptyValue |The value to assign to the variable if the specified value is missing or empty (see below) |
<<.tip """If the value of your variable is enclosed in double square brackets this might indicate that you are returning a list of values from the filter. To use a single title from the filter output without the double square brackets see ''Filtered Item Variable Assignment'' below.""">>
!! Simple Variable Assignment
The simplest way of using set variable widget assigns a string to a variable. The following example assigns a literal string