check

add sample to std::ws #512

Job	Run time
detect_forbidden_characters	5s
check (defined_word)	9s
check (meta_header)	8s
check (display_error)	10s
check (code_qualify)	13s
check (inner_link)	10s
check (ngword)	11s
preview_build	0s
preview_link	0s
	1m 6s

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