Update LC_ALL to en_US.UTF-8 in Makefile

.github/workflows/builds.yml

@@ -56,3 +56,36 @@ jobs:
         name: ${{ matrix.format }} build
         path: build/${{ matrix.format }}
         retention-days: 15
+
+  build_macos:
+
+    runs-on: macos-latest
+
+    steps:
+    - name: Harden Runner
+      uses: step-security/harden-runner@0080882f6c36860b6ba35c610c98ce87d4e2f26f # v2.10.2
+      with:
+        egress-policy: audit # TODO: change to 'egress-policy: block' after couple of runs
+
+    - name: Check out repository
+      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      with:
+        fetch-depth: 1
+    - name: Set up Python 3.12
+      uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5.3.0
+      with:
+        python-version: '3.12'
+    - name: Install Requirements
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r REQUIREMENTS.txt
+
+    - name: Build English documentation
+      run: |
+          make html
+    - name: Upload HTML build artifact
+      uses: actions/upload-artifact@6f51ac03b9356f520e9adb1b1b7802705f340c2b # v4.5.0
+      with:
+        name: HTML build
+        path: build/html
+        retention-days: 15

Makefile

@@ -19,7 +19,7 @@ SITEDIR         = /site
 VERSION         = testing
 
 # needed for Sphinx > 4.5?
-export LC_ALL=C.UTF-8
+export LC_ALL=en_US.UTF-8
 
 # Put it first so that "make" without argument is like "make help".
 help: