mod_http_oauth2: Improve error messages for URI properties Since there are separate validation checks for URI properties, including that they should use https, with better and more specific error reporting. Reverts 'luaPattern' to 'pattern' which is not currently supported by util.jsonschema, but allows anything that retrieves the schema over http to validate against it, should they wish to do so.

Module that generates a nicer text version of Atom feeds, meant for
use with [mod_pubsub_feeds] and [mod_pubsub_text_interface].

It extracts title, content and links from entries, does a crude
conversion of HTML to [XEP-0393: Message Styling] and formats a text
version like this:

> \***Example Post Title**\*
>
> Lorem ipsum dolor sit amet.
>
> https://blog.example.com/example-post