Harden matcher repr rendering #367

Job	Run time
Spellcheck with codespell	10s
Check with mypy	11s
Lint with flake8	10s
Run tests on Python 3.12 (ubuntu-latest)	22s
Run tests on Python 3.10 (ubuntu-latest)	19s
Run tests on Python 3.13 (ubuntu-latest)	20s
Run tests on Python 3.14 (ubuntu-latest)	21s
Run tests on Python 3.9 (ubuntu-latest)	23s
Run tests on Python 3.13 (windows-latest)	45s
Run tests on Python 3.12 (windows-latest)	41s
Run tests on Python 3.11 (ubuntu-latest)	14s
Run tests on Python 3.10 (windows-latest)	1m 0s
Run tests on Python 3.8 (macos-latest)	1m 1s
Run tests on Python 3.9 (macos-latest)	40s
Run tests on Python 3.11 (windows-latest)	51s
Run tests on Python 3.8 (windows-latest)	1m 27s
Run tests on Python 3.8 (ubuntu-latest)	22s
Run tests on Python 3.10 (macos-latest)	30s
Run tests on Python 3.14 (windows-latest)	1m 18s
Run tests on Python 3.11 (macos-latest)	14s
Run tests on Python 3.14 (macos-latest)	14s
Run tests on Python 3.13 (macos-latest)	19s
Run tests on Python 3.12 (macos-latest)	11s
Run tests on Python 3.9 (windows-latest)	1m 22s
Deploy to pypi	-1s
	13m 24s

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