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 Origin: https://git.la10cy.net/DeltaLima/flatpress-plugin-syntaxhighlighter-ng
 
+Demo: https://deltalima.org/blog/index.php/syntaxhighlighter-ng-testpage/
+
 based on the original FlatPress plugin [from 2005](https://forum.flatpress.org/viewtopic.php?p=1130&hilit=syntax+highlight#p1135), updated in 2023 to prism.js
 
 ## installation