Learn Prolog Now! Enhanced by Matthias Vogt

WebExtension to make "Learn Prolog Now!" pretty. Features: embedded Swish IDE (SWI-Prolog), syntax highlighting of code snippets, keyword and semantic highlighting, is pretty. The interactive version is located at <a rel="nofollow" href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/0981fc328b9a20f2af73727e626d1a9730f1551730c32ab28128ee337df63176/http%3A//lpn.swi-prolog.org/">http://lpn.swi-prolog.org/</a>