Topic cluster
Template filter
A named transformation applied to a value inside a template expression.
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The remaining keywords do not make a useful further split. All matching documentation is listed below.
is_a
Filter a list of resource ids on category, or test if a single resource id belongs to a category.
is_not_a
is_not_a mirrors filter#is_a. It is particularly useful when iterating over a category and excluding members of a sub-category (iterating over all images associated with a page except images in the thumbnail category).