Thanks, I have started using a field and I am struggling with list 
intersections, i.e. lists of items that are tagged both A and C:

I thought these would be the intersection and should be equivalent:

<$list filter="[[A]listed[my.field]] +[[C]listed[my.field]]" />
<$list filter="[[C]listed[my.field]] +[[A]listed[my.field]]" />

But not only are they not equivalent, they are not correct lists:

[image: Screenshot 2020-09-26 105510.png]

What am I not understanding correctly about the filter intersections?

Thanks,

Cade

On Saturday, September 26, 2020 at 1:03:00 AM UTC-5 TW Tones wrote:

> Cade,
>
> As far as I know Gentags is the state of the art for a plugin giving you 
> alternative tag fields. 
>
> Just keep in mind tags are a solution built into the core. 
>
>    - I for one avoid them to keep them free for ad hoc tagging. 
>    - Instead I tend to use my own fields and list fields that in many 
>    ways work not unlike tags if you want them to.
>       - See listops and other operators and widgets.
>    - Avoid the use of prefixes on titles, including tag names where 
>    practical otherwise you will find you need to parse the title to extract 
>    info.
>
>
> For a small or for purpose wiki do what you want with the tags and 
> prefixed titles, its only when you transfer tiddlers or grow wikis it may 
> become a problem.
>
> Regards
> Tony
>
> On Saturday, 26 September 2020 04:48:59 UTC+10, Cade Roux wrote:
>>
>> I find myself looking to use this concept in my data mart data 
>> dictionary/user manual, as I want to have three types of tags for one set 
>> of generated tiddlers and three types of tags for another set of generated 
>> tiddlers and putting a prefix on each set and throwing them into tags field 
>> is kind of unwieldy and the filters will be really awkward.
>>
>> Is https://ooktech.com/jed/ExampleWikis/GenericTagFields/ this the 
>> latest thinking on that or is there another plugin I should be looking at 
>> (or something that has made it to core?
>>
>> Thanks,
>>
>> Cade
>>
>

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