TonyM,
Okay, I'll explain the problem more clearly:
I would like to write a TableOfContents macro, where the related tags are
listed alongside the list items itself.
[image: vivaldi_2019-01-04_12-00-41.png]
You can use the list of related tags to narrow the list of tiddlers (for
example, list only those that are linked to Negatable Operators and Tag
Operators).
[image: vivaldi_2019-01-04_12-07-22.png]
The current solution works, but it is very slow, because going down the ToC
level, it is narrowing down the list of tiddlers from level to level
(`kin::to[Reference]kin::to[Concepts]...`). Instead, I reverse the logic:
only one of the tiddlers associated with the lowest-level tag is listed,
which is associated with each of the upstream levels (each of `tag[Tag
operators]` where all of the upstream tags applies to
`kin::from<currentTiddler>`).
Since this is a time-consuming operation, I only want to collect the list
once, but I have to use it in two places: listing the related tags and
listing the tiddlers themselves. So the logic would be exactly that:
```
In the list of tiddlers of current "lowest" tag
If tiddler fits to each of the "higher" tags
Add the tiddler to a tiddler list
end
end
List the related tags of tiddler list
List the tiddler list itself
```
Since it's a table of contents, I should not change the tiddlers of the
list to make them easier to parse (adding some temporary tags). A button +
<$action-listops is not appropriate because when the user first opens the
page, no button is pressed, so triggers are not executed.
I think the beginning of the macro should analyze what the current context
is, collect the tiddlers and store them somehow. That's what I got stuck
with.
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