FromNand2Tetris: Try another way for custom lexer.

_config.yml

@@ -225,6 +225,3 @@ jekyll-archives:
   permalinks:
     tag: /tags/:name/
     category: /categories/:name/
-
-plugins:
-  - rouge

_plugins/rouge/hdl.rb

@@ -1,7 +1,10 @@
+# _plugins/rouge/hdl.rb
+require 'rouge'
+
 module Rouge
   module Lexers
-    class HDLCustom < RegexLexer
-      tag 'hdlcustom'
+    class HDL < RegexLexer
+      tag 'hdl'
       filenames '*.hdl'
       mimetypes 'text/x-hdl'
 

_posts/2024-08-30-FromNand2Tetris.md

@@ -55,7 +55,7 @@ and division of two integers, etc. It is a simple and elegant design.
 
 Here is my implementation in less than twenty lines of HDL code:
 
-```hdlcustom
+```hdl
  * ALU (Arithmetic Logic Unit):
  * Computes out = one of the following functions:
  *                0, 1, -1,