tidy-up: miscellaneous

- tool_bname: scope an include.
- `endif` comments.
- Markdown fixes.
- comment tidy-ups.
- whitespace, newlines, indent.

Closes #20309

.github/workflows/http3-linux.yml

@@ -339,7 +339,7 @@ jobs:
     name: ${{ matrix.build.generate && 'CM' || 'AM' }} ${{ matrix.build.name }}
     needs:
       - build-cache
-    runs-on: 'ubuntu-latest'
+    runs-on: ubuntu-latest
     timeout-minutes: 10
     env:
       MATRIX_BUILD: ${{ matrix.build.generate && 'cmake' || 'autotools' }}

.github/workflows/linux-old.yml

@@ -54,7 +54,7 @@ env:
 jobs:
   cmake-autotools:
     name: 'autotools & cmake'
-    runs-on: 'ubuntu-latest'
+    runs-on: ubuntu-latest
     container: 'debian:stretch'
 
     env:

.github/workflows/macos.yml

@@ -47,7 +47,7 @@ env:
 jobs:
   ios:
     name: "iOS, ${{ (matrix.build.generator && format('CM-{0}', matrix.build.generator)) || (matrix.build.generate && 'CM' || 'AM' )}} ${{ matrix.build.name }} arm64"
-    runs-on: 'macos-latest'
+    runs-on: macos-latest
     timeout-minutes: 10
     env:
       DEVELOPER_DIR: "/Applications/Xcode${{ matrix.build.xcode && format('_{0}', matrix.build.xcode) || '' }}.app/Contents/Developer"
@@ -202,7 +202,7 @@ jobs:
 
   macos:
     name: "${{ matrix.build.generate && 'CM' || 'AM' }} ${{ matrix.build.compiler }} ${{ matrix.build.name }}"
-    runs-on: 'macos-15'
+    runs-on: macos-15
     timeout-minutes: 15
     env:
       DEVELOPER_DIR: "/Applications/Xcode${{ matrix.build.xcode && format('_{0}', matrix.build.xcode) || '' }}.app/Contents/Developer"

.github/workflows/non-native.yml

@@ -237,7 +237,7 @@ jobs:
 
   android:
     name: "Android ${{ matrix.platform }}, ${{ matrix.build == 'cmake' && 'CM' || 'AM' }} ${{ matrix.name }} arm64"
-    runs-on: 'ubuntu-latest'
+    runs-on: ubuntu-latest
     timeout-minutes: 5
     env:
       MAKEFLAGS: -j 5
@@ -328,7 +328,7 @@ jobs:
 
   msdos:
     name: "MS-DOS, ${{ matrix.build == 'cmake' && 'CM' || 'AM' }} djgpp !ssl i586"
-    runs-on: 'ubuntu-latest'
+    runs-on: ubuntu-latest
     timeout-minutes: 5
     env:
       MAKEFLAGS: -j 5