ASCWriter speed improvement #903

Job	Run time
format	15s
Packaging	15s
static-code-analysis	27s
docs	43s
test (ubuntu-latest, false, 3.8)	2m 48s
test (ubuntu-latest, false, 3.9)	2m 49s
test (ubuntu-latest, false, 3.10)	2m 58s
test (ubuntu-latest, false, 3.11)	2m 50s
test (ubuntu-latest, false, 3.12)	3m 8s
test (ubuntu-latest, false, 3.13)	3m 46s
test (ubuntu-latest, false, pypy-3.9)	3m 12s
test (ubuntu-latest, false, pypy-3.10)	3m 4s
test (macos-latest, false, 3.8)	5m 14s
test (macos-latest, false, 3.9)	3m 16s
test (macos-latest, false, 3.10)	2m 25s
test (macos-latest, false, 3.11)	2m 8s
test (macos-latest, false, 3.12)	2m 21s
test (macos-latest, false, 3.13)	2m 42s
test (macos-latest, false, pypy-3.9)	3m 25s
test (macos-latest, false, pypy-3.10)	3m 20s
test (windows-latest, false, 3.8)	2m 16s
test (windows-latest, false, 3.9)	2m 9s
test (windows-latest, false, 3.10)	2m 2s
test (windows-latest, false, 3.11)	1m 58s
test (windows-latest, false, 3.12)	2m 43s
test (windows-latest, false, 3.13)	3m 33s
test (windows-latest, false, pypy-3.9)	6h 0m 10s
test (windows-latest, false, pypy-3.10)	6m 37s
Release to PyPi	0s
coveralls	0s
	7h 12m 34s

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