test

Fix RDoc formatting in doc/command_line_usage.rdoc #883

Job	Run time
ruby-versions / Generate Ruby versions	4s
test (ubuntu-latest, 3.0)	17s
test (ubuntu-latest, 2.5)	47s
test (ubuntu-latest, 2.6)	51s
test (ubuntu-latest, 2.3)	45s
test (ubuntu-latest, 2.7)	49s
test (ubuntu-latest, 3.2)	21s
test (ubuntu-latest, 3.1)	17s
test (macos-latest, 3.1)	15s
test (ubuntu-latest, 2.4)	47s
test (ubuntu-latest, truffleruby)	51s
test (ubuntu-latest, 3.4)	18s
test (macos-latest, 2.6)	1m 9s
test (ubuntu-latest, 3.3)	19s
test (ubuntu-latest, jruby)	4m 11s
test (macos-latest, 3.0)	18s
test (macos-latest, 2.7)	52s
test (ubuntu-latest, 4.0)	16s
test (ubuntu-latest, head)	16s
test (macos-latest, 3.3)	25s
test (windows-latest, 2.6)	2m 33s
test (windows-latest, 3.0)	1m 12s
test (macos-latest, 3.2)	16s
test (macos-latest, 4.0)	20s
test (macos-latest, 3.4)	21s
test (windows-latest, 3.1)	1m 21s
test (windows-latest, 2.7)	2m 18s
test (windows-latest, 4.0)	1m 26s
test (macos-latest, truffleruby)	42s
test (macos-latest, jruby)	4m 8s
test (macos-latest, head)	22s
test (windows-latest, head)	1m 14s
test (windows-latest, 2.5)	2m 25s
test (windows-latest, 2.4)	2m 17s
test (windows-latest, 3.4)	1m 6s
test (windows-latest, 3.3)	1m 25s
test (windows-latest, 3.2)	1m 15s
	38m 49s

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