Renamed to elm-messenger/messenger-core. That is where the repository lives now. It has not been published as a package under the new name.
Versions published as linsyking/messenger-core still install under that name. 34 versions of 52 come from the new location (see their notes). 7 versions could not be recovered and cannot be installed.
This is only useful when you use extraHTML.
Generate HTML Attributes that has the correct position
Useful when you try to add extra HTML