You will need to install a user script manager extension to install this script.
Adds a Button to the bytespeicher.org blog editor (in the text editor pane) to fix the format of links. This is used in the Bytespeicher Notizen to switch from Etherpad notation
* descriptive text http://example.org/subsite
to the blog notation
* descriptive text (example.org)
It does not touch links that are already in html notation (<href=) and links to twitter (which are handled by another plugin)