.github/workflows/test.yaml in lrama-0.5.3 vs .github/workflows/test.yaml in lrama-0.5.4

@@ -20,10 +20,19 @@
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
       - run: bundle install
       - run: bundle exec rspec
+  check-misc:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v3
+      # Copy from https://github.com/ruby/ruby/blob/089227e94823542acfdafa68541d330eee42ffea/.github/workflows/check_misc.yml#L27
+      - name: Check for trailing spaces
+        run: |
+          git grep -I -n '[	 ]$' -- '*.rb' '*.[chy]' '*.rs' && exit 1 || :
+          git grep -n '^[	 ][	 ]*$' -- '*.md' && exit 1 || :
   steep-check:
     runs-on: ubuntu-20.04
     strategy:
       fail-fast: false
       matrix:
@@ -56,10 +65,10 @@
       - run: git clone --depth=1 https://github.com/ruby/ruby.git -b ${{ matrix.ruby_branch }} ../ruby
         working-directory:
       - run: mkdir -p tool/lrama
         working-directory: ../ruby
       - name: Copy Lrama to ruby/tool
-        run: cp -r exe lib template ../ruby/tool/lrama
+        run: cp -r LEGAL.md MIT exe lib template ../ruby/tool/lrama
         working-directory:
       - run: tree tool/lrama
         working-directory: ../ruby
       # See also https://github.com/ruby/ruby/blob/master/.github/workflows/ubuntu.yml
       - run: mkdir build