diff --git a/.gitea/workflows/build-pdf.yml b/.gitea/workflows/build-pdf.yml
new file mode 100644
index 0000000..6fb0293
--- /dev/null
+++ b/.gitea/workflows/build-pdf.yml
@@ -0,0 +1,63 @@
+name: Build LaTeX PDF
+
+on:
+  push:
+    paths:
+      - '**/*.tex'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    env:
+      GIT_SSL_NO_VERIFY: "true"
+      NODE_EXTRA_CA_CERTS: /usr/local/share/ca-certificates/Egregge.crt
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 2   # need previous commit to diff against
+
+      - name: Find changed .tex root files
+        id: changed
+        run: |
+          apt-get update -qq && apt-get install -y -qq git > /dev/null
+          git config --global --add safe.directory "$GITHUB_WORKSPACE"
+
+          # root files = .tex files that contain \documentclass
+          CHANGED=$(git diff --name-only "${{ github.event.before }}" "${{ github.sha }}" -- '*.tex' || true)
+          ROOTS=""
+          for f in $CHANGED; do
+            if [ -f "$f" ] && grep -q '\\documentclass' "$f"; then
+              ROOTS="$ROOTS $f"
+            fi
+          done
+          echo "roots=$ROOTS" >> "$GITHUB_OUTPUT"
+          echo "Root files to build: $ROOTS"
+
+      - name: Compile changed root files
+        if: steps.changed.outputs.roots != ''
+        uses: docker://texlive/texlive:latest-full
+        with:
+          entrypoint: sh
+          args: >-
+            -c "mkdir -p pdf aux && for f in ${{ steps.changed.outputs.roots }}; do
+            echo Building $f;
+            latexmk -pdf -interaction=nonstopmode -halt-on-error -outdir=pdf -auxdir=aux \"$f\" || exit 1;
+            done && find pdf -type f ! -name '*.pdf' -delete"
+
+      - name: Upload built PDFs
+        if: steps.changed.outputs.roots != ''
+        uses: actions/upload-artifact@v3
+        with:
+          name: pdf-output
+          path: pdf/*.pdf
+
+      - name: Commit PDFs back to repo
+        if: steps.changed.outputs.roots != ''
+        run: |
+          git config user.name "gitea-actions"
+          git config user.email "actions@gitea.local"
+          git remote set-url origin "https://Domipoke:${{ secrets.GITEA_PUSH_TOKEN }}@gitea.egregge.eg/Domipoke/SharedLaTeX.git"          
+          git add pdf/*.pdf
+          git diff --cached --quiet || git commit -m "CI: rebuild PDF(s) [skip ci]"
+          git push origin HEAD:${{ github.ref_name }}
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8087664
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+./aux
+./aux/*
\ No newline at end of file
diff --git a/letteraturagiapponese.tex b/letteraturagiapponese.tex
index 945b5fc..c3df9e3 100644
--- a/letteraturagiapponese.tex
+++ b/letteraturagiapponese.tex
@@ -3,7 +3,7 @@
 \usepackage[T1]{fontenc}
 \usepackage{lmodern}
 \usepackage{microtype}
-
+% try 2
 \newcommand{\jp}[1]{\begin{CJK*}{UTF8}{min}
     #1
 \end{CJK*}}