diff --git a/.github/workflows/R-CMD-check-HTML5.yaml b/.github/workflows/R-CMD-check-HTML5.yaml
new file mode 100644
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+++ b/.github/workflows/R-CMD-check-HTML5.yaml
@@ -0,0 +1,42 @@
+# Workflow derived from https://github.com/r-lib/actions/tree/v2/examples
+# Need help debugging build failures? Start at https://github.com/r-lib/actions#where-to-find-help
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+
+name: R-CMD-check-HTML5
+
+jobs:
+  R-CMD-check:
+    runs-on: ubuntu-latest
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+      R_KEEP_PKG_SOURCE: yes
+      _R_CHECK_RD_VALIDATE_RD2HTML_: TRUE
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Install pdflatex
+        run: sudo apt-get install texlive-latex-base texlive-fonts-recommended texlive-fonts-extra texlive-latex-extra
+
+      - name: Install tidy
+        run: sudo apt install tidy
+
+      - uses: r-lib/actions/setup-r@v2
+        with:
+          r-version: 'devel'
+          http-user-agent: 'release'
+          use-public-rspm: true
+
+      - uses: r-lib/actions/setup-r-dependencies@v2
+        with:
+          extra-packages: any::rcmdcheck
+          needs: check
+
+      - uses: r-lib/actions/check-r-package@v2
+        with:
+          args: '"--as-cran"'
+          build_args: 'character()'
+          error-on: '"note"'