Refs #36485 -- Grouped docs checks under a unified make check target.

Added a new 'check' rule to the docs Makefile which runs both the black
and spelling checks.

docs/Makefile

@@ -174,3 +174,7 @@ black:
 		| xargs blacken-docs --rst-literal-block; echo $$? > "$(BUILDDIR)/black/output.txt"
 	@echo
 	@echo "Code blocks reformatted"
+
+check: spelling black
+	@echo
+	@echo "Style and spelling checks completed."

docs/internals/contributing/writing-documentation.txt

@@ -152,10 +152,29 @@ To edit this page, for example, we would edit the file
 :source:`docs/internals/contributing/writing-documentation.txt` and rebuild the
 HTML with ``make html``.
 
+.. _documentation-checks:
+
+Documentation quality checks
+----------------------------
+
+Several checks help maintain Django's documentation quality, including
+:ref:`spelling <documentation-spelling-check>` and
+:ref:`code block formatting <documentation-code-block-format-check>`.
+
+These checks are run automatically in CI and must pass before documentation
+changes can be merged. They can also be run locally with a single command:
+
+.. console::
+
+     $ make check
+
+This command runs all current checks and will include any new checks added in
+the future.
+
 .. _documentation-spelling-check:
 
 Spelling check
---------------
+~~~~~~~~~~~~~~
 
 Before you commit your docs, it's a good idea to run the spelling checker.
 You'll need to install :pypi:`sphinxcontrib-spelling` first. Then from the
@@ -180,7 +199,7 @@ one of the following:
 .. _documentation-code-block-format-check:
 
 Code block format check
------------------------
+~~~~~~~~~~~~~~~~~~~~~~~
 
 All Python code blocks should be formatted using the :pypi:`blacken-docs`
 auto-formatter. This is automatically run by the :ref:`pre-commit hook

docs/make.bat

@@ -189,20 +189,36 @@ results in %BUILDDIR%/doctest/output.txt.
 )
 
 if "%1" == "spelling" (
-	%SPHINXBUILD% -b spelling %ALLSPHINXOPTS% %BUILDDIR%/spelling
+	call :run_spelling
-	if errorlevel 1 exit /b 1
-	echo.
-	echo.Check finished. Wrong words can be found in %BUILDDIR%/^
-spelling/output.txt.
 	goto end
 )
 
 if "%1" == "black" (
+	call :run_black
+	goto end
+)
+
+if "%1" == "check" (
+	call :run_black
+	call :run_spelling
+	echo.
+	echo.All checks completed.
+	goto end
+)
+
+:run_spelling
+	%SPHINXBUILD% -b spelling %ALLSPHINXOPTS% %BUILDDIR%/spelling
+	if errorlevel 1 exit /b 1
+	echo.
+	echo.Check finished. Wrong words can be found in %BUILDDIR%/spelling/output.txt.
+	exit /b
+
+:run_black
 	for /f "usebackq tokens=*" %%i in (`dir *.txt /s /b ^| findstr /v /c:"_build" /c:"_theme"`) do (
 		blacken-docs --rst-literal-block %%i
 	)
 	echo.
 	echo.Code blocks reformatted
-)
+	exit /b
 
 :end