Hackers' Pub

Syntax	Description	Examples
`"` keyword `"`	Finds the string within quotes, including spaces. Case-insensitive. (Escape quotes inside with `\"`)	`"Hackers' Pub"`
`from:` handle	Finds content written by the specified user.	`from:hongminhee` `from:hongminhee@hollo.social`
`lang:` ISO 639-1	Finds content written in the specified language.	`lang:en`
`#` tag	Finds content with the specified tag. Case-insensitive.	`#HackersPub`
condition condition	Finds content that satisfies both conditions on either side of the space (logical AND).	`"Hackers' Pub" lang:en`
condition `OR` condition	Finds content that satisfies at least one of the conditions on either side of the OR operator (logical OR).	`#HackersPub OR "Hackers' Pub" lang:en`
`(` condition `)`	Combines the operators within the parentheses first.	`(#HackersPub OR "Hackers' Pub" OR "Hackers Pub") lang:en`

Steve Bate @steve@social.technoetic.com

3/21/2026, 7:20:52 AM

Public

@hongminhee洪民憙 (Hong Minhee) Lots of interesting issues here. (Note that the schema.org JSON-LD namespace for PropertyValue is incorrect too.) I think brower.pub is arguably being too strict. One must be careful to think about AS2 like data types in a strongly-type programming language. Mastodon could document that PropertyValue is an "extension type" of Object. Implicitly, it is anyway. The type property for an Object is optional and so are all the rest of the properties. A {} is a valid Object.

Steve Bate @steve@social.technoetic.com

3/21/2026, 7:24:56 AM

Public

@hongminhee洪民憙 (Hong Minhee) Given {} is a valid AS2 Object and it is valid to add extension properties to that (with a valid jSON-LD context extension), then PropertyValue is a valid as:Object. I explore some aspects of this topic in https://www.stevebate.net/extending-activitypub-a-recipe/

Extending ActivityPub: A Recipe | Steve Bate

Occasionally there are online discussions about using schema.org vocabularies with ActivityPub (AP) and Activity Streams 2.0 (AS2). There are many ways to do this, but this article will explore one approach using a schema.org Recipe type. The information is focused on AP/AS2 messaging rather than user interface considerations related to displaying the recipe. Although the ... Read more

www.stevebate.net · Steve Bate

If you have a fediverse account, you can quote this note from your own instance. Search https://social.technoetic.com/users/steve/statuses/116265969011289908 on your instance and quote it. (Note that quoting is not supported in Mastodon.)