improve syntax highlighting

.github/workflows/publish.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install mkdocs markdown-callouts mkdocs-autorefs mkdocs-include-dir-to-nav mkdocs-material
+          pip install mkdocs markdown-callouts mkdocs-autorefs mkdocs-include-dir-to-nav mkdocs-material pymdown-extensions
       - name: Build
         run: mkdocs build
       - name: Publish

mkdocs.yml

@@ -77,6 +77,13 @@ markdown_extensions:
           permalink: True
     - smarty
     - callouts
+    - pymdownx.highlight:
+        anchor_linenums: true
+        line_spans: __span
+        pygments_lang_class: true
+    - pymdownx.inlinehilite
+    - pymdownx.snippets
+    - pymdownx.superfences
 
 plugins:
     - search