Use Sphinx Inline Tabs to organise installation per OS

.editorconfig

@@ -13,6 +13,10 @@ indent_style = space
 
 trim_trailing_whitespace = true
 
+[*.rst]
+# Three-space indentation
+indent_size = 3
+
 [*.yml]
 # Two-space indentation
 indent_size = 2

docs/Makefile

@@ -15,11 +15,12 @@ ALLSPHINXOPTS   = -d $(BUILDDIR)/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
 # the i18n builder cannot share the environment and doctrees with the others
 I18NSPHINXOPTS  = $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
 
-.PHONY: help clean html dirhtml singlehtml pickle json htmlhelp qthelp devhelp epub latex latexpdf text man changes linkcheck doctest gettext
-
+.PHONY: help
 help:
 	@echo "Please use \`make <target>' where <target> is one of"
 	@echo "  html       to make standalone HTML files"
+	@echo "  serve      to start a local server for viewing docs"
+	@echo "  livehtml   to start a local server for viewing docs and auto-reload on change"
 	@echo "  dirhtml    to make HTML files named index.html in directories"
 	@echo "  singlehtml to make a single large HTML file"
 	@echo "  pickle     to make pickle files"
@@ -39,49 +40,57 @@ help:
 	@echo "  linkcheck  to check all external links for integrity"
 	@echo "  doctest    to run all doctests embedded in the documentation (if enabled)"
 
+.PHONY: clean
 clean:
 	-rm -rf $(BUILDDIR)/*
 
 install-sphinx:
-	$(PYTHON) -m pip install --quiet sphinx sphinx-copybutton sphinx-issues sphinx-removed-in sphinxext-opengraph furo olefile
+	$(PYTHON) -m pip install --quiet furo olefile sphinx sphinx-copybutton sphinx-inline-tabs sphinx-issues sphinx-removed-in sphinxext-opengraph
 
+.PHONY: html
 html:
 	$(MAKE) install-sphinx
 	$(SPHINXBUILD) -b html -W --keep-going $(ALLSPHINXOPTS) $(BUILDDIR)/html
 	@echo
 	@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
 
+.PHONY: dirhtml
 dirhtml:
 	$(MAKE) install-sphinx
 	$(SPHINXBUILD) -b dirhtml $(ALLSPHINXOPTS) $(BUILDDIR)/dirhtml
 	@echo
 	@echo "Build finished. The HTML pages are in $(BUILDDIR)/dirhtml."
 
+.PHONY: singlehtml
 singlehtml:
 	$(MAKE) install-sphinx
 	$(SPHINXBUILD) -b singlehtml $(ALLSPHINXOPTS) $(BUILDDIR)/singlehtml
 	@echo
 	@echo "Build finished. The HTML page is in $(BUILDDIR)/singlehtml."
 
+.PHONY: pickle
 pickle:
 	$(MAKE) install-sphinx
 	$(SPHINXBUILD) -b pickle $(ALLSPHINXOPTS) $(BUILDDIR)/pickle
 	@echo
 	@echo "Build finished; now you can process the pickle files."
 
+.PHONY: json
 json:
 	$(MAKE) install-sphinx
 	$(SPHINXBUILD) -b json $(ALLSPHINXOPTS) $(BUILDDIR)/json
 	@echo
 	@echo "Build finished; now you can process the JSON files."
 
+.PHONY: htmlhelp
 htmlhelp:
 	$(MAKE) install-sphinx
 	$(SPHINXBUILD) -b htmlhelp $(ALLSPHINXOPTS) $(BUILDDIR)/htmlhelp
 	@echo
 	@echo "Build finished; now you can run HTML Help Workshop with the" \
 	      ".hhp project file in $(BUILDDIR)/htmlhelp."
 
+.PHONY: qthelp
 qthelp:
 	$(MAKE) install-sphinx
 	$(SPHINXBUILD) -b qthelp $(ALLSPHINXOPTS) $(BUILDDIR)/qthelp
@@ -92,6 +101,7 @@ qthelp:
 	@echo "To view the help file:"
 	@echo "# assistant -collectionFile $(BUILDDIR)/qthelp/PillowPILfork.qhc"
 
+.PHONY: devhelp
 devhelp:
 	$(MAKE) install-sphinx
 	$(SPHINXBUILD) -b devhelp $(ALLSPHINXOPTS) $(BUILDDIR)/devhelp
@@ -102,12 +112,14 @@ devhelp:
 	@echo "# ln -s $(BUILDDIR)/devhelp $$HOME/.local/share/devhelp/PillowPILfork"
 	@echo "# devhelp"
 
+.PHONY: epub
 epub:
 	$(MAKE) install-sphinx
 	$(SPHINXBUILD) -b epub $(ALLSPHINXOPTS) $(BUILDDIR)/epub
 	@echo
 	@echo "Build finished. The epub file is in $(BUILDDIR)/epub."
 
+.PHONY: latex
 latex:
 	$(MAKE) install-sphinx
 	$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
@@ -116,25 +128,29 @@ latex:
 	@echo "Run \`make' in that directory to run these through (pdf)latex" \
 	      "(use \`make latexpdf' here to do that automatically)."
 
+.PHONY: latexpdf
 latexpdf:
 	$(MAKE) install-sphinx
 	$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
 	@echo "Running LaTeX files through pdflatex..."
 	$(MAKE) -C $(BUILDDIR)/latex all-pdf
 	@echo "pdflatex finished; the PDF files are in $(BUILDDIR)/latex."
 
+.PHONY: text
 text:
 	$(MAKE) install-sphinx
 	$(SPHINXBUILD) -b text $(ALLSPHINXOPTS) $(BUILDDIR)/text
 	@echo
 	@echo "Build finished. The text files are in $(BUILDDIR)/text."
 
+.PHONY: man
 man:
 	$(MAKE) install-sphinx
 	$(SPHINXBUILD) -b man $(ALLSPHINXOPTS) $(BUILDDIR)/man
 	@echo
 	@echo "Build finished. The manual pages are in $(BUILDDIR)/man."
 
+.PHONY: texinfo
 texinfo:
 	$(MAKE) install-sphinx
 	$(SPHINXBUILD) -b texinfo $(ALLSPHINXOPTS) $(BUILDDIR)/texinfo
@@ -143,40 +159,47 @@ texinfo:
 	@echo "Run \`make' in that directory to run these through makeinfo" \
 	      "(use \`make info' here to do that automatically)."
 
+.PHONY: info
 info:
 	$(MAKE) install-sphinx
 	$(SPHINXBUILD) -b texinfo $(ALLSPHINXOPTS) $(BUILDDIR)/texinfo
 	@echo "Running Texinfo files through makeinfo..."
 	make -C $(BUILDDIR)/texinfo info
 	@echo "makeinfo finished; the Info files are in $(BUILDDIR)/texinfo."
 
+.PHONY: gettext
 gettext:
 	$(MAKE) install-sphinx
 	$(SPHINXBUILD) -b gettext $(I18NSPHINXOPTS) $(BUILDDIR)/locale
 	@echo
 	@echo "Build finished. The message catalogs are in $(BUILDDIR)/locale."
 
+.PHONY: changes
 changes:
 	$(MAKE) install-sphinx
 	$(SPHINXBUILD) -b changes $(ALLSPHINXOPTS) $(BUILDDIR)/changes
 	@echo
 	@echo "The overview file is in $(BUILDDIR)/changes."
 
+.PHONY: linkcheck
 linkcheck:
 	$(MAKE) install-sphinx
 	$(SPHINXBUILD) -b linkcheck $(ALLSPHINXOPTS) $(BUILDDIR)/linkcheck -j auto
 	@echo
 	@echo "Link check complete; look for any errors in the above output " \
 	      "or in $(BUILDDIR)/linkcheck/output.txt."
 
+.PHONY: doctest
 doctest:
 	$(MAKE) install-sphinx
 	$(SPHINXBUILD) -b doctest $(ALLSPHINXOPTS) $(BUILDDIR)/doctest
 	@echo "Testing of doctests in the sources finished, look at the " \
 	      "results in $(BUILDDIR)/doctest/output.txt."
 
+.PHONY: livehtml
 livehtml: html
 	livereload $(BUILDDIR)/html -p 33233
 
+.PHONY: serve
 serve:
 	cd $(BUILDDIR)/html; $(PYTHON) -m http.server

docs/conf.py

@@ -27,12 +27,13 @@
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
-    "sphinx_copybutton",
-    "sphinx_issues",
-    "sphinx_removed_in",
     "sphinx.ext.autodoc",
     "sphinx.ext.intersphinx",
     "sphinx.ext.viewcode",
+    "sphinx_copybutton",
+    "sphinx_inline_tabs",
+    "sphinx_issues",
+    "sphinx_removed_in",
     "sphinxext.opengraph",
 ]