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Update Introduction to Filters.tid

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Corrected an error in the explanation of the `+` prefix.
It actually adds the filter to the list of filters, thus keeping only the tiddlers matching the additional filter.
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Pako 2015-03-18 21:30:23 +01:00
parent 77db136d4f
commit d1a8c683a2
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editions/tw5.com/tiddlers/filters/Introduction to Filters.tid
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@ -64,7 +64,7 @@ By default, each run considers every tiddler in the wiki. But we can use a `+` s
> `[serving[3]] [serving[4]] [serving[5]] +[tag[Vegetarian]] +[sort[title]]`
This selects recipes for 3, 4 or 5 people, then filters <<.em those>> to remove the vegetarian ones, and finally sorts any that are left into alphabetical order of title.
This selects recipes for 3, 4 or 5 people, then filters <<.em those>> to keep only the vegetarian ones, and finally sorts any that are left into alphabetical order of title.
In a similar way, we can use a `-` sign to <<.em remove>> a run's tiddlers from the result so far. Here we select all vegetarian recipes apart from two: