This is what understood. Imagin your current list of tiddlers from all the filter operation done is:
A B C D E F G Imagine that your current tiddler has a field "list" containing E F G H I J K L Now this is what you get: list[] -> E F G H I J K L !list[] -> A B C D Same applies if you don't have the field "list" but in a tiddler "Z" the field "mylist" containing E F G H I J K L and you use: list[Z!!mylist] -> E F G H I J K L !list[Z!!mylist] -> A B C D -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/tiddlywiki. For more options, visit https://groups.google.com/d/optout.

