Use tidy to validate HTML

Author: remram44

.github/workflows/test.yml

@@ -9,13 +9,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-    - uses: actions/setup-python@v1
-      with:
-        python-version: "3.7"
-    - name: Install dependencies
+    - name: Install tidy 5.8.0
       run: |
-        sudo apt-get update -qq
-        sudo apt-get install -yy default-jre-headless
-        pip install html5validator
+        curl -sSL -o /usr/local/bin/tidy 'https://gitlab.com/remram44/taguette/-/snippets/2150886/raw/main/tidy-5.8.0?inline=false'
+        chmod +x /usr/local/bin/tidy
     - name: Validate HTML
-      run: html5validator --show-warnings
+      run: tidy -errors -quiet --drop-empty-elements no regex.html