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This PR adds an images filter that returns all images used in a tiddler using an
$image
widget or the[img[...]]
syntax.It introduces a new
wiki.extractFromParseTree
method that is now used byextractImages
,extractLinks
andextractTranscludes
.Transclusions of image tiddlers are not picked up by the filter, neither are
<img>
HTML elements, as is consistent with thelinks[]
operator which only returns links created by the$link
widget.There may however be value in supporting the extraction of
<img>
HTML elements as well, possibly enabled by a suffix. Any thoughts on this are welcome.To do: