diff --git a/.github/actions/test_with_valgrind/action.yml b/.github/actions/test_with_valgrind/action.yml
index c3a3ac1e9..f15544ea1 100644
--- a/.github/actions/test_with_valgrind/action.yml
+++ b/.github/actions/test_with_valgrind/action.yml
@@ -1,88 +1,88 @@
-name: 'Run package tests'
-description: 'Run package tests'
+name: Run package tests
+description: Run package tests
 inputs:
   NO_COVERAGE:
-    description: 'set to a non-empty string to suppress gathering coverage'
+    description: set to a non-empty string to suppress gathering coverage
     required: false
     type: string
-    default: ''
+    default: ""
   GAP_TESTFILE:
-    description: 'Name of the GAP file to be read for executing the package tests (overrides TestFile in PackageInfo.g)'
+    description: Name of the GAP file to be read for executing the package tests (overrides TestFile in PackageInfo.g)
     required: false
     type: string
-    default: ''
+    default: ""
   only-needed:
-    description: 'If set to true then only needed dependencies of the package being tested are loaded'
+    description: If set to true then only needed dependencies of the package being tested are loaded
     required: false
     type: boolean
     default: false
   pre-gap:
-    description: 'Commands to be prepended to gap'
+    description: Commands to be prepended to gap
     required: false
     type: string
-    default: ''
-  
+    default: ""
+
 env:
   CHERE_INVOKING: 1
 
 runs:
-  using: "composite"
+  using: composite
   steps:
-      - name: "Run tests"
-        run: |
-         set -ex
+    - name: Run tests
+      run: |
+        set -ex
 
-         GAPROOT=${GAPROOT-$HOME/gap}
+        GAPROOT=${GAPROOT-$HOME/gap}
 
-         # set up a custom GAP root containing only this package, so that
-         # we can force GAP to load the correct version of this package
-         # (we already did that in build_pkg.sh, but we do it again here,
-         # to allow the occasional instance where a package wants to also
-         # run the tests of others packages, by invoking this script multiple
-         # times in different directories)
-         mkdir -p /tmp/gaproot/pkg/
-         ln -f -s $PWD /tmp/gaproot/pkg/
+        # set up a custom GAP root containing only this package, so that
+        # we can force GAP to load the correct version of this package
+        # (we already did that in build_pkg.sh, but we do it again here,
+        # to allow the occasional instance where a package wants to also
+        # run the tests of others packages, by invoking this script multiple
+        # times in different directories)
+        mkdir -p /tmp/gaproot/pkg/
+        ln -f -s $PWD /tmp/gaproot/pkg/
 
-         # start GAP with custom GAP root, to ensure correct package version is loaded
-         GAP="${{ inputs.pre-gap }} $GAPROOT/gap -l /tmp/gaproot; --quitonbreak"
+        # start GAP with custom GAP root, to ensure correct package version is loaded
+        GAP="${{ inputs.pre-gap }} $GAPROOT/gap -l /tmp/gaproot; --quitonbreak"
 
-         if ${{ inputs.only-needed }} = 'true' ; then
-           GAP="$GAP -A"
-         fi
+        if ${{ inputs.only-needed }} = 'true' ; then
+          GAP="$GAP -A"
+        fi
 
-         # Unless explicitly turned off by setting the NO_COVERAGE environment variable,
-         # we collect coverage data
-         if [[ -z "${{ inputs.NO_COVERAGE }}" ]]; then
-             mkdir -p ${COVDIR-coverage}
-             GAP="$GAP --cover ${COVDIR-coverage}/$(mktemp XXXXXX).coverage"
-         fi
+        # Unless explicitly turned off by setting the NO_COVERAGE environment variable,
+        # we collect coverage data
+        if [[ -z "${{ inputs.NO_COVERAGE }}" ]]; then
+            mkdir -p ${COVDIR-coverage}
+            GAP="$GAP --cover ${COVDIR-coverage}/$(mktemp XXXXXX).coverage"
+        fi
 
-         cat > __TEST_RUNNNER__.g <<EOF
+        cat > __TEST_RUNNNER__.g <<EOF
 
-         GAP_TESTFILE:="${{ inputs.GAP_TESTFILE }}";
-         Read("PackageInfo.g");
-         info := GAPInfo.PackageInfoCurrent;
-         if IsEmpty(GAP_TESTFILE) or not IsExistingFile(GAP_TESTFILE) then
-             GAP_TESTFILE := info.TestFile;
-         fi;
-         # Load the package with debug info
-         SetInfoLevel(InfoPackageLoading, PACKAGE_DEBUG);
-         SetPackagePath(info.PackageName, "/tmp/gaproot/pkg/$(basename $PWD)");
-         if ${{ inputs.only-needed }} = true then
-            LoadPackage(info.PackageName : OnlyNeeded);
-         else
-            LoadPackage(info.PackageName);
-         fi;
-         SetInfoLevel(InfoPackageLoading, PACKAGE_ERROR);
-         Print("Now running tests from ", GAP_TESTFILE, "\n");
-         if EndsWith(GAP_TESTFILE, ".tst") then
-             QUIT_GAP(Test(GAP_TESTFILE, rec(compareFunction := "uptowhitespace")));
-         else
-             Read(GAP_TESTFILE);
-             Error("Package TestFile did not exit gap");
-         fi;
-         EOF
+        GAP_TESTFILE:="${{ inputs.GAP_TESTFILE }}";
+        Read("PackageInfo.g");
+        info := GAPInfo.PackageInfoCurrent;
+        if IsEmpty(GAP_TESTFILE) or not IsExistingFile(GAP_TESTFILE) then
+            GAP_TESTFILE := info.TestFile;
+        fi;
+        # Load the package with debug info
+        SetInfoLevel(InfoPackageLoading, PACKAGE_DEBUG);
+        SetPackagePath(info.PackageName, "/tmp/gaproot/pkg/$(basename $PWD)");
+        if ${{ inputs.only-needed }} = true then
+           LoadPackage(info.PackageName : OnlyNeeded);
+        else
+           LoadPackage(info.PackageName);
+        fi;
+        SetInfoLevel(InfoPackageLoading, PACKAGE_ERROR);
+        Print("Now running tests from ", GAP_TESTFILE, "\n");
+        if EndsWith(GAP_TESTFILE, ".tst") then
+            QUIT_GAP(Test(GAP_TESTFILE, rec(compareFunction := "uptowhitespace")));
+        else
+            Read(GAP_TESTFILE);
+            Error("Package TestFile did not exit gap");
+        fi;
+        EOF
 
-         $GAP __TEST_RUNNNER__.g
+        $GAP __TEST_RUNNNER__.g
 
-        shell: bash
\ No newline at end of file
+      shell: bash
diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
index 6e85488bf..3e93fec51 100644
--- a/.github/workflows/codespell.yml
+++ b/.github/workflows/codespell.yml
@@ -1,4 +1,4 @@
-name: codespell
+name: Codespell
 on:
   workflow_dispatch:
   pull_request:
@@ -10,5 +10,5 @@ jobs:
   codespell:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
-    - uses: codespell-project/actions-codespell@v2
+      - uses: actions/checkout@v4
+      - uses: codespell-project/actions-codespell@v2
diff --git a/.github/workflows/config_options.yml b/.github/workflows/config_options.yml
index 88cc5780a..1485ce1b2 100644
--- a/.github/workflows/config_options.yml
+++ b/.github/workflows/config_options.yml
@@ -1,4 +1,4 @@
-name: "Config-options"
+name: Config-options
 on:
   workflow_dispatch:
   pull_request:
@@ -8,22 +8,22 @@ on:
       - stable-*.*
   schedule:
     # Every day at 3:30 AM UTC
-    - cron: "30 3 * * *"
+    - cron: 30 3 * * *
 env:
   NO_COVERAGE: true
 
 jobs:
   with-external-planarity-bliss:
-    name: "${{ matrix.bliss }} ${{ matrix.planarity }}"
-    runs-on: "ubuntu-latest"
+    name: ${{ matrix.bliss }} ${{ matrix.planarity }}
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         planarity:
-          - "--with-external-planarity"
+          - --with-external-planarity
           - ""
         bliss:
-          - "--with-external-bliss"
+          - --with-external-bliss
           - ""
         exclude:
           - planarity: ""
@@ -33,38 +33,38 @@ jobs:
         shell: bash -l {0}
     steps:
       - uses: actions/checkout@v4
-      - name: Output g++ version
+      - name: Output g++ version . . .
         run: g++ --version
-      - name: "Install micromamba environment from environment.yml . . ."
+      - name: Install micromamba environment from environment.yml . . .
         uses: mamba-org/setup-micromamba@v1
         with:
           environment-name: digraphs
           cache-environment: true
           create-args: ${{ matrix.bliss && 'bliss' || '' }} ${{ matrix.planarity && 'planarity' || ''}}
-      - name: "Set environment variables . . ."
+      - name: Set environment variables . . .
         run: |
           echo "PKG_CONFIG_PATH=$MAMBA_ROOT_PREFIX/envs/digraphs/lib/pkgconfig:$MAMBA_ROOT_PREFIX/envs/digraphs/share/pkgconfig" >> $GITHUB_ENV
           echo "LD_LIBRARY_PATH=$MAMBA_ROOT_PREFIX/envs/digraphs/lib" >> $GITHUB_ENV
           echo "CFLAGS=-I$MAMBA_ROOT_PREFIX/envs/digraphs/include" >> $GITHUB_ENV
           echo "LDFLAGS=-L$MAMBA_ROOT_PREFIX/envs/digraphs/lib" >> $GITHUB_ENV
-      - name: "Install GAP and clone/compile necessary packages"
+      - name: Install GAP and clone/compile necessary packages . . .
         uses: gap-actions/setup-gap@v2
         with:
-          GAP_PKGS_TO_CLONE: "NautyTracesInterface digraphs/graphviz"
-          GAP_PKGS_TO_BUILD: "io orb datastructures grape NautyTracesInterface"
+          GAP_PKGS_TO_CLONE: NautyTracesInterface digraphs/graphviz
+          GAP_PKGS_TO_BUILD: io orb datastructures grape NautyTracesInterface
           GAPBRANCH: stable-4.13
-      - name: "Build Digraphs"
+      - name: Build Digraphs . . .
         uses: gap-actions/build-pkg@v1
         with:
           CONFIGFLAGS: ${{ matrix.bliss }} ${{ matrix.planarity }}
-      - name: "Run Digraphs package's tst/teststandard.g"
+      - name: Run Digraphs package's tst/teststandard.g . . .
         uses: gap-actions/run-pkg-tests@v2
         with:
           NO_COVERAGE: true
 
   all-options:
     name: ${{ matrix.debug }} ${{ matrix.warnings }} ${{ matrix.without-intrinsics }}
-    runs-on: "ubuntu-latest"
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
@@ -84,17 +84,17 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - name: Output g++ version
+      - name: Output g++ version . . .
         run: g++ --version
-      - name: "Install GAP and clone/compile necessary packages"
+      - name: Install GAP and clone/compile necessary packages . . .
         uses: gap-actions/setup-gap@v2
         with:
-          GAP_PKGS_TO_CLONE: "NautyTracesInterface digraphs/graphviz"
-          GAP_PKGS_TO_BUILD: "io orb datastructures grape NautyTracesInterface"
+          GAP_PKGS_TO_CLONE: NautyTracesInterface digraphs/graphviz
+          GAP_PKGS_TO_BUILD: io orb datastructures grape NautyTracesInterface
           GAPBRANCH: stable-4.13
-      - name: "Build Digraphs"
+      - name: Build Digraphs . . .
         uses: gap-actions/build-pkg@v1
         with:
           CONFIGFLAGS: ${{ matrix.debug }} ${{ matrix.without-intrinsics }} ${{ matrix.warnings && '--enable-compile-warnings WARNING_CXXFLAGS="-Werror" WARNING_CFLAGS="-Werror"' || '' }}
-      - name: "Run Digraphs package's tst/teststandard.g"
+      - name: Run Digraphs package's tst/teststandard.g . . .
         uses: gap-actions/run-pkg-tests@v2
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index bc660dc44..4c3121a91 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -1,4 +1,4 @@
-name: "Lint"
+name: Lint
 on:
   workflow_dispatch:
   pull_request:
@@ -8,11 +8,11 @@ on:
       - stable-*.*
   schedule:
     # Every day at 3:30 AM UTC
-    - cron: '30 3 * * *'
+    - cron: 30 3 * * *
 
 jobs:
   lint:
-    name: "${{ matrix.linter }}"
+    name: ${{ matrix.linter }}
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
@@ -21,12 +21,11 @@ jobs:
           - gaplint
           - cpplint
     steps:
-    - name: "Check out the repository"
-      uses: actions/checkout@v4
-    - name: "Set up Python"
-      uses: actions/setup-python@v5
-    - name: "Install ${{ matrix.linter }} with pip"
-      run: pip install ${{ matrix.linter }}
-    - name: "Run ${{ matrix.linter }} on the Digraphs package"
-      run: bash etc/${{ matrix.linter }}.sh
-
+      - name: Check out the repository . . .
+        uses: actions/checkout@v4
+      - name: Set up Python . . .
+        uses: actions/setup-python@v5
+      - name: Install ${{ matrix.linter }} with pip . . .
+        run: pip install ${{ matrix.linter }}
+      - name: Run ${{ matrix.linter }} on the Digraphs package . . .
+        run: bash etc/${{ matrix.linter }}.sh
diff --git a/.github/workflows/manual.yml b/.github/workflows/manual.yml
index 4f4b44917..19690801a 100644
--- a/.github/workflows/manual.yml
+++ b/.github/workflows/manual.yml
@@ -1,4 +1,4 @@
-name: "Manual"
+name: Manual
 on:
   workflow_dispatch:
   pull_request:
@@ -8,15 +8,15 @@ on:
       - stable-*.*
   schedule:
     # Every day at 3:20 AM UTC
-    - cron: '20 3 * * *'
+    - cron: "20 3 * * *"
 
 jobs:
   manual:
-    name: "compile and upload manual"
+    name: compile and upload manual
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: "Install TeX Live"
+      - name: Install TeX Live . . .
         run: |
           packages=(
             texlive-latex-base
@@ -30,14 +30,14 @@ jobs:
           sudo apt-get install "${packages[@]}"
       - uses: gap-actions/setup-gap@v2
         env:
-          GAP_BOOTSTRAP: "minimal"
+          GAP_BOOTSTRAP: minimal
         with:
-          GAP_PKGS_TO_BUILD: ''
+          GAP_PKGS_TO_BUILD: ""
       - uses: gap-actions/build-pkg-docs@v1
-      - name: "Upload compiled manuals"
+      - name: Upload compiled manuals . . .
         uses: actions/upload-artifact@v4
         with:
-          name: "Digraphs manual"
+          name: Digraphs manual
           retention-days: 7
           path: |
             doc/manual.pdf
diff --git a/.github/workflows/os.yml b/.github/workflows/os.yml
index 73f83a369..7a19903e8 100644
--- a/.github/workflows/os.yml
+++ b/.github/workflows/os.yml
@@ -1,4 +1,4 @@
-name: "OS"
+name: OS
 on:
   workflow_dispatch:
   pull_request:
@@ -8,7 +8,7 @@ on:
       - stable-*.*
   schedule:
     # Every day at 3:30 AM UTC
-    - cron: "30 3 * * *"
+    - cron: 30 3 * * *
 
 env:
   DIGRAPHS_LIB: digraphs-lib-0.6
@@ -16,66 +16,66 @@ env:
 
 jobs:
   test-unix:
-    name: "${{ matrix.os }}${{ matrix.ABI }} / GAP stable-4.13"
-    runs-on: "${{ matrix.os }}-latest"
+    name: ${{ matrix.os }}${{ matrix.ABI }} / GAP stable-4.13
+    runs-on: ${{ matrix.os }}-latest
     strategy:
       fail-fast: false
       matrix:
         include:
           - os: ubuntu
             ABI: 32
-            pkgs-to-clone: "digraphs/graphviz"
-            pkgs-to-build: "io orb datastructures grape"
+            pkgs-to-clone: digraphs/graphviz
+            pkgs-to-build: io orb datastructures grape
           - os: macos
             ABI: ""
-            pkgs-to-clone: "NautyTracesInterface digraphs/graphviz"
-            pkgs-to-build: "io orb datastructures grape NautyTracesInterface"
+            pkgs-to-clone: NautyTracesInterface digraphs/graphviz
+            pkgs-to-build: io orb datastructures grape NautyTracesInterface
 
     steps:
       - uses: actions/checkout@v4
-      - name: Output g++ version
+      - name: Output g++ version . . .
         run: g++ --version
-      - name: "Install macOS dependencies"
+      - name: Install macOS dependencies . . .
         if: ${{ runner.os == 'macOS' }}
         run: brew install automake
-      - name: "Install GAP and clone/compile necessary packages"
+      - name: Install GAP and clone/compile necessary packages . . .
         uses: gap-actions/setup-gap@v2
         with:
-          GAP_PKGS_TO_CLONE: "${{ matrix.pkgs-to-clone }}"
+          GAP_PKGS_TO_CLONE: ${{ matrix.pkgs-to-clone }}
           GAP_PKGS_TO_BUILD: ${{ matrix.pkgs-to-build }}
           GAPBRANCH: stable-4.13
           ABI: ${{ matrix.ABI }}
-      - name: "Build Digraphs"
+      - name: Build Digraphs . . .
         uses: gap-actions/build-pkg@v1
         with:
           ABI: ${{ matrix.ABI }}
-      - name: "Install digraphs-lib"
+      - name: Install digraphs-lib . . .
         run: |
           curl --retry 5 -L -O "https://digraphs.github.io/Digraphs/${{ env.DIGRAPHS_LIB }}.tar.gz"
           tar xf "${{ env.DIGRAPHS_LIB }}.tar.gz"
-      - name: "Run DigraphsTestInstall"
+      - name: Run DigraphsTestInstall . . .
         uses: gap-actions/run-pkg-tests@v2
         with:
           NO_COVERAGE: true
-          GAP_TESTFILE: "tst/github_actions/install.g"
-      - name: "Run DigraphsTestStandard"
+          GAP_TESTFILE: tst/github_actions/install.g
+      - name: Run DigraphsTestStandard . . .
         uses: gap-actions/run-pkg-tests@v2
         with:
           NO_COVERAGE: true
-          GAP_TESTFILE: "tst/github_actions/standard.g"
-      - name: "Run DigraphsTestManualExamples"
+          GAP_TESTFILE: tst/github_actions/standard.g
+      - name: Run DigraphsTestManualExamples . . .
         uses: gap-actions/run-pkg-tests@v2
         with:
           NO_COVERAGE: true
-          GAP_TESTFILE: "tst/github_actions/examples.g"
-      - name: "Run DigraphsTestExtreme"
+          GAP_TESTFILE: tst/github_actions/examples.g
+      - name: Run DigraphsTestExtreme . . .
         uses: gap-actions/run-pkg-tests@v2
         with:
           NO_COVERAGE: true
-          GAP_TESTFILE: "tst/github_actions/extreme.g"
+          GAP_TESTFILE: tst/github_actions/extreme.g
 
   test-cygwin:
-    name: "cygwin / GAP stable-4.13"
+    name: cygwin / GAP stable-4.13
     runs-on: windows-latest
     env:
       CHERE_INVOKING: 1
@@ -84,11 +84,11 @@ jobs:
       - uses: gap-actions/setup-cygwin@v1
       - uses: gap-actions/setup-gap@cygwin-v2
         with:
-          GAP_PKGS_TO_CLONE: "NautyTracesInterface digraphs/graphviz"
-          GAP_PKGS_TO_BUILD: "io orb datastructures grape NautyTracesInterface"
+          GAP_PKGS_TO_CLONE: NautyTracesInterface digraphs/graphviz
+          GAP_PKGS_TO_BUILD: io orb datastructures grape NautyTracesInterface
           GAPBRANCH: stable-4.13
       - uses: gap-actions/build-pkg@cygwin-v1
-      - name: "Install digraphs-lib"
+      - name: Install digraphs-lib . . .
         run: |
           curl --retry 5 -L -O "https://digraphs.github.io/Digraphs/${{ env.DIGRAPHS_LIB }}.tar.gz"
           tar xf "${{ env.DIGRAPHS_LIB }}.tar.gz"
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 635d30655..7083cb5dc 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -1,4 +1,4 @@
-name: "Ubuntu"
+name: Ubuntu
 on:
   workflow_dispatch:
   pull_request:
@@ -8,7 +8,7 @@ on:
       - stable-*.*
   schedule:
     # Every day at 3:30 AM UTC
-    - cron: "30 3 * * *"
+    - cron: 30 3 * * *
 
 env:
   DIGRAPHS_LIB: digraphs-lib-0.6
@@ -16,7 +16,7 @@ env:
 
 jobs:
   test-unix:
-    name: "Ubuntu / GAP ${{ matrix.gap-branch }} / ${{ matrix.only-needed && 'only-needed' || 'needed+suggested' }}"
+    name: Ubuntu / GAP ${{ matrix.gap-branch }} / ${{ matrix.only-needed && 'only-needed' || 'needed+suggested' }}
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
@@ -31,7 +31,7 @@ jobs:
           - false
         include:
           - only-needed: true
-            pkgs-to-clone: "digraphs/graphviz"
+            pkgs-to-clone: digraphs/graphviz
             pkgs-to-build: io orb datastructures
           - only-needed: false
             pkgs-to-clone: NautyTracesInterface digraphs/graphviz
@@ -39,41 +39,41 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - name: Output g++ version
+      - name: Output g++ version . . .
         run: g++ --version
-      - name: "Install GAP and clone/compile necessary packages"
+      - name: Install GAP and clone/compile necessary packages . . .
         uses: gap-actions/setup-gap@v2
         with:
-          GAP_PKGS_TO_CLONE: "${{ matrix.pkgs-to-clone }}"
-          GAP_PKGS_TO_BUILD: "${{ matrix.pkgs-to-build }}"
+          GAP_PKGS_TO_CLONE: ${{ matrix.pkgs-to-clone }}
+          GAP_PKGS_TO_BUILD: ${{ matrix.pkgs-to-build }}
           GAPBRANCH: ${{ matrix.gap-branch }}
-      - name: "Build Digraphs"
+      - name: Build Digraphs . . .
         uses: gap-actions/build-pkg@v1
-      - name: "Install digraphs-lib"
+      - name: Install digraphs-lib . . .
         run: |
           curl --retry 5 -L -O "https://digraphs.github.io/Digraphs/${{ env.DIGRAPHS_LIB }}.tar.gz"
           tar xf "${{ env.DIGRAPHS_LIB }}.tar.gz"
-      - name: "Run DigraphsTestInstall"
+      - name: Run DigraphsTestInstall . . .
         uses: gap-actions/run-pkg-tests@v2
         with:
           NO_COVERAGE: true
-          GAP_TESTFILE: "tst/github_actions/install.g"
+          GAP_TESTFILE: tst/github_actions/install.g
           only-needed: ${{ matrix.only-needed }}
-      - name: "Run DigraphsTestStandard"
+      - name: Run DigraphsTestStandard . . .
         uses: gap-actions/run-pkg-tests@v2
         with:
           NO_COVERAGE: true
-          GAP_TESTFILE: "tst/github_actions/standard.g"
+          GAP_TESTFILE: tst/github_actions/standard.g
           only-needed: ${{ matrix.only-needed }}
-      - name: "Run DigraphsTestManualExamples"
+      - name: Run DigraphsTestManualExamples . . .
         uses: gap-actions/run-pkg-tests@v2
         with:
           NO_COVERAGE: true
-          GAP_TESTFILE: "tst/github_actions/examples.g"
+          GAP_TESTFILE: tst/github_actions/examples.g
           only-needed: ${{ matrix.only-needed }}
-      - name: "Run DigraphsTestExtreme"
+      - name: Run DigraphsTestExtreme . . .
         uses: gap-actions/run-pkg-tests@v2
         with:
           NO_COVERAGE: true
-          GAP_TESTFILE: "tst/github_actions/extreme.g"
+          GAP_TESTFILE: tst/github_actions/extreme.g
           only-needed: ${{ matrix.only-needed }}
diff --git a/.github/workflows/valgrind.yml b/.github/workflows/valgrind.yml
index 93f53884e..0fa0315e3 100644
--- a/.github/workflows/valgrind.yml
+++ b/.github/workflows/valgrind.yml
@@ -1,4 +1,4 @@
-name: "Valgrind"
+name: Valgrind
 on:
   workflow_dispatch:
   release:
@@ -10,34 +10,34 @@ env:
 
 jobs:
   test-valgrind:
-    name: "Ubuntu / GAP stable-4.13 / valgrind"
-    runs-on: "ubuntu-latest"
+    name: Ubuntu / GAP stable-4.13 / valgrind
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Output g++ version
+      - name: Output g++ version . . .
         run: g++ --version
-      - name: "Install Valgrind"
+      - name: Install Valgrind . . .
         run: sudo apt-get install valgrind
-      - name: "Install GAP and clone/compile necessary packages"
+      - name: Install GAP and clone/compile necessary packages . . .
         uses: gap-actions/setup-gap@v2
         with:
-          GAP_PKGS_TO_CLONE: "NautyTracesInterface digraphs/graphviz"
-          GAP_PKGS_TO_BUILD: "io orb datastructures grape NautyTracesInterface"
-          GAPBRANCH: "stable-4.13"
-          CONFIGFLAGS: "--enable-valgrind"
-      - name: "Build Digraphs"
+          GAP_PKGS_TO_CLONE: NautyTracesInterface digraphs/graphviz
+          GAP_PKGS_TO_BUILD: io orb datastructures grape NautyTracesInterface
+          GAPBRANCH: stable-4.13
+          CONFIGFLAGS: --enable-valgrind
+      - name: Build Digraphs . . .
         uses: gap-actions/build-pkg@v1
-      - name: "Run DigraphsTestInstall"
+      - name: Run DigraphsTestInstall . . .
         # TODO: Replace below with gap-actions/run-pkg-tests@v2 if the functionality gets added
         uses: ./.github/actions/test_with_valgrind
         with:
           NO_COVERAGE: true
-          GAP_TESTFILE: "tst/github_actions/install.g"
+          GAP_TESTFILE: tst/github_actions/install.g
           pre-gap: ${{ env.VALGRIND }}
-      - name: "Run DigraphsTestStandard"
+      - name: Run DigraphsTestStandard . . .
         # TODO: Replace below with gap-actions/run-pkg-tests@v2 if the functionality gets added
         uses: ./.github/actions/test_with_valgrind
         with:
           NO_COVERAGE: true
-          GAP_TESTFILE: "tst/github_actions/standard.g"
+          GAP_TESTFILE: tst/github_actions/standard.g
           pre-gap: ${{ env.VALGRIND }}