You’re right, I just took another look at the specs and corrected the template and added the “mediaType” attribute and set it to HTML. Now microblog.pub shows the summary correctly (even with rendered HTML), Pleroma shows the content correctly (without markup), but Mastodon shows the raw HTML code of the summary. :thinking_face:
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Adding ActivityStreams representations to Hugo
I promised and people already asked, so here is the first part of the documentation about how I enabled ActivityPub support on my Hugo-based blog:
Is Having an RSS Feed Just Giving Content Away for Free?
Chris Coyier is thinking in an article on CSS-Tricks about RSS:
LibreLingo
LibreLingo is a relatively new open-source project that seems to be inspired by Duolingo. The demo already looks great, I learned the Spanish words “pan”, “pasta”, “leche” and “pareja”.
Make music with Excel
Through this article by The Verge, I discovered this YouTube video by musician Dylan Tallchief. He used Microsoft Excel to create a DAW (a digital audio workstation) called xlStudio. With that you can create entire songs in Excel spreadsheets and even export them to use them in the software suite Ableton. I don’t know much about music or music production, but this looks pretty awesome.
I think I finally got ActivityPub support for this blog working. On Mastodon, you can search for @en@jlelse.blog and @de@jlelse.blog to follow the English and German blog. You should also be able to search for the URL of any post and reply to it. But remember that it’s only possible for the reply to appear in the “Interactions” if your profile isn’t locked (so your reply is visible to the public). I will write about my implementation later, when I’m sure everything is working correctly.
I wonder if I will even be able to finish my ActivityPub implementation during this holiday. ActivityPub is somehow more complex than expected and unfortunately there are not many implementations to get inspiration from. Meanwhile my idea is to use Hugo to generate ActivityStream JSON files which are then sent to the followers with my own implementation. To do this I have to configure Caddy (the server that delivers my blog) to return the JSON files when an “Accept” HTTP header is received and I have to proxy certain request routes to the implementation. I have to think about it again, work out a plan, implement the whole thing and when this is done, document everything.
Since I have holidays at the moment and don’t want to spend all my time at home in front of the computer, I decided to go hiking today. However, the place I had chosen was not the best choice. In the forest it was very muddy and my shoes and clothes looked accordingly.
It was nevertheless a nice variation.





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CO2 emissions on the web
Danny Van Kooten wrote an great article. He wrote how he tries to reduce the environmental impact of his WordPress plugins:
I started developing my ActivityPub implementation. It will be a little Go application, which sends out every new item in a JSON Feed to the followers. It will be possible to configure multiple feeds and ActivityPub actors, so that I can use it for my blog with one actor for the English blog and one for the German blog. I’ll probably later add some possibility to use it to follow others too. I started by using the code from activityserve and now rewrite most parts.