ASCWriter speed improvement #906

Job	Run time
Packaging	20s
docs	48s
format	18s
static-code-analysis	46s
test (ubuntu-latest, false, 3.8)	2m 36s
test (ubuntu-latest, false, 3.9)	2m 47s
test (ubuntu-latest, false, 3.10)	3m 2s
test (ubuntu-latest, false, 3.11)	2m 54s
test (ubuntu-latest, false, 3.12)	3m 8s
test (ubuntu-latest, false, 3.13)	3m 51s
test (ubuntu-latest, false, pypy-3.9)	3m 4s
test (ubuntu-latest, false, pypy-3.10)	3m 5s
test (macos-latest, false, 3.8)	4m 58s
test (macos-latest, false, 3.9)	2m 49s
test (macos-latest, false, 3.10)	2m 46s
test (macos-latest, false, 3.11)	2m 15s
test (macos-latest, false, 3.12)	2m 17s
test (macos-latest, false, 3.13)	2m 48s
test (macos-latest, false, pypy-3.9)	3m 48s
test (macos-latest, false, pypy-3.10)	4m 45s
test (windows-latest, false, 3.8)	2m 5s
test (windows-latest, false, 3.9)	2m 0s
test (windows-latest, false, 3.10)	2m 18s
test (windows-latest, false, 3.11)	1m 56s
test (windows-latest, false, 3.12)	2m 22s
test (windows-latest, false, 3.13)	3m 37s
test (windows-latest, false, pypy-3.9)	6m 36s
test (windows-latest, false, pypy-3.10)	6m 22s
Release to PyPi	0s
coveralls	2s
	1h 20m 23s

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