TYPO3 Core

prefixLocalAnchorsWithScript() does not prefix local anchors with requested URL but with newly created.

The newly created URL does not match the requested URL - if the URL contains query parameters with empty values.
explodeUrl2Array() drops any empty query parameters.

With a request URL like:

example.org/foo=1&bar=

prefixLocalAnchorsWithScript creates:

example.org/foo=1

This breaks local anchor URLs - as URLs does not match anymore.

Request URL and local anchor URL must be identical.

Additional note:

The intention for this method was having working local anchors without page reloading (required for base href) - for this it is required the URLs match exactly - why is there any URL recreation at all?