Changes

//mw.loader.load( 'https://fraunhofer-isc.github.io/mediawiki-css-js/js/D3graphviz.js' ); //moved to $wgHooks['BeforePageDisplay'][]  

//mw.loader.load( 'https://fraunhofer-isc.github.io/mediawiki-css-js/js/D3graphviz.js' ); //moved to $wgHooks['BeforePageDisplay'][]  

mw.loader.load( '/w/index.php?title=MediaWiki:D3graphviz.js&action=raw&ctype=text/javascript' );

mw.loader.load( '/w/index.php?title=MediaWiki:D3graphviz.js&action=raw&ctype=text/javascript' );

//direct link to forms if page does not exists.

//direct link to forms if page does not exists.