Improve text input docs #1237

Job	Run time
ruff	8s
mypy	32s
sdist	3m 19s
parse_sdl (macos-latest, 3.2.16)	23s
parse_sdl (windows-latest, 3.2.16)	32s
tox (ubuntu-latest)	4m 13s
build (ubuntu-latest, pypy-3.10, x64)	5m 44s
build (ubuntu-latest, 3.10, x64)	5m 46s
build (windows-latest, 3.10, x64)	2m 53s
build (windows-latest, pypy-3.10, x86)	3m 37s
build (windows-latest, pypy-3.10, x64)	3m 24s
test-docs	4m 34s
linux-wheels (aarch64, pp310-manylinux*)	3m 37s
build (windows-latest, 3.10, x86)	2m 48s
linux-wheels (x86_64, pp310-manylinux*)	3m 23s
pyodide	5m 5s
linux-wheels (x86_64, cp310-manylinux*)	4m 7s
build-macos (cp310-*_universal2)	2m 11s
build-macos (pp310-*)	5m 15s
linux-wheels (aarch64, cp310-manylinux*)	4m 13s
publish	-1s
	1h 5m 43s

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