There's an unexpected subtlety here: even with quite a small number of tags, it 
is possible for a fully expanded table of contents to have many millions of 
entries.

For example, AMBIT's main wiki (https://manuals.annafreud.org/ambit) has just 
over 1,000 tags but they are so interconnected that a fully expanded table of 
contents had 1.4 million entries when I was doing some experiments a few months 
ago.

So, I tend to think an expand-all button should not be part of the core. 
Generally, I'm not in favour of adding more and more functionality to the core 
macros because it compromises one of their primary purposes: to act as simple 
examples for people to use as a starting point for their own macros.

Best wishes

Jeremy

--
Jeremy Ruston
jer...@jermolene.com
https://jermolene.com

> On 8 Jul 2019, at 09:06, PMario <pmari...@gmail.com> wrote:
> 
> 
>> On Sunday, July 7, 2019 at 10:51:02 PM UTC+2, passingby wrote:
>> Can we have a 'click to expand all' button? Specifically in 
>> toc-tabbed-internal-nav ? 
> 
> This should be possible. ... At the moment, there is a pending PR at github, 
> that fixes some problems introduced with 5.1.19 and prepares for easier 
> plugin interaction. eg: auto-expand and highlight the focused tiddler. 
> 
> Once this mechanism works it should be possible to implement the feature that 
> you describe, at a plugin level. 
>  
>> Additionally: can this behavior of expanding and contracting be implemented 
>> with mouse hover on the links?
> 
> At the moment we don't have a widget, that activates actions on hover. ... We 
> would need a short time delay. eg: 500ms or so. Otherwise it would be a mess. 
> 
> Closing 1 branch imo would be triggered, if a different branch on the same 
> level is opened. ... IMO this will be tricky. 
> 
> In short: With 5.1.20 it may be possible if 
> https://github.com/Jermolene/TiddlyWiki5/pull/3975 gets merged. 
> 
> -m
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