thanks for filing!

publish actually already propagates p-category mf2 tags to Flickr tags. @kylewm added that pretty recently. this is a good nudge to add it to the docs.

as for hashtags in plain text, I'm not sure. i get that #hashtag syntax is pretty universal now, and i get that it's necessary in silos that don't allow explicit tags, but publish users generally own their markup and get to author explicit mf2 tags with p-category.

given that, I'm a bit reluctant to promote text only #hashtags to explicit silo tags... but i dunno. thoughts?

I notice that Known autolinks hashtags so "category": ["#indieweb"]. If we stripped the octothorpe for silos that don't use it, that might be a happy medium? Then sites like tantek's that want interpret them as tags could make it explicit by wrapping them with a <span class="p-category">

(daaamn it's a sunday morning and @kylewm got me all https://www.google.com/search?q=define%3Aoctothrope )

stripping octothpus sgtm!

@snarfed I'm sympathetic to not overdoing the smarts re: "reluctant to promote text only #hashtags to explicit silo tags".

This might be another example of not over-interpreting text (e.g. whitespace) into markup.

Even if you do end up rejecting this suggestion (to autopromote plain text hashtags to categories/tags), I wanted to capture it (and subsequent analysis) because I expect it will come up again.

Narrowed the scope since p-category tags are already supported apparently. Just need to update the docs re: p-category. Update: pull request for docs update: #605

This publish brid.gy did https://www.flickr.com/photos/singpolyma/24001981743/ seems to have the hashtag autolinked (maybe flickr did that from the plain text?) but then the tag itself is not on the post? A bit confusing UX on the flickr side, not sure if my tag ended up on the post or not. My tag is marked up using rel=tag in the hentry, so it seems like brid.gy should be able to pick it up?

discussing in IRC now.

@singpolyma http://sngpl.ma/t4fS0 is returning 404, can you point me to the original that was POSSEd? My guess is mf2py isn't doing backcompat for rel=tag

@kylewm oh, right, my short domain is still down (grumble,grumble morocco) -- full URL https://singpolyma.net/actionstream/boring-cabinets/

great! so I think if you just add class="p-category" on that tag, it'll work just fine.

Should be backward-compatible with rel=tag now, so you don't need to change your markup.

tentatively closing due to discussion above: p-category tags are supported and documented.