On Tuesday, April 13, 2021 at 4:21:58 AM UTC+2 Mark S. wrote:

> In other systems data tiddlers (or their equivalents) are a foundational 
> aspect of their design. Not so in TW. In TW data tiddlers are just a 
> stop-gap, a convenience tool to be used in a limited set of circumstance. 
> For instance, note that JSON data tiddlers can only go one level deep.


That's right.

Try doing anything more than very simple data referencing, and you'll find 
> that there are very few filter operators that work with data tiddlers. For 
> instance, there is no filter operator to obtain all the values of a data 
> tiddler. 
>

See: https://wikilabs.github.io/editions/keyvalues/ ... It can fix that and 
imo makes working with data tiddlers more convenient.
 

> In TW, the fundamental data structure is the tiddler. There are lots and 
> lots of filter operators that know how to deal with tiddlers and tiddler 
> fields. Data tiddlers are meant for simple one-to-one lookups, like with 
> the color palettes. Beyond that and they become too onerous to work with.
>

That's right and Jeremy has some strong reasoning for that. Data tiddler 
handling, makes the core code more complex.

See my PR for the above plugin at github: 
https://github.com/Jermolene/TiddlyWiki5/pull/3971#issuecomment-500122689 ++

have fun!
mario

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