[tw] How do I filter for the intersection of sets?

Can you post an example? It sounds like you are using a selection constructor (http://tiddlywiki.com/#Selection%20Constructors) in your second run. I am getting the expected behavior on tiddlywiki.com, the code <$list filter='[tag[HelloThere]]+[tag[Learning]]'> Gives an empty list and <$lis

[tw] How do I filter for the intersection of sets?

The documentation for Filter Expression states the following: If a run has a + prefix, it receives the filter's output so far as its input. The filter's output is then completely *replaced* by the run's output. Any subsequent run reverts to receiving all tiddler titles as its input, unless it t