$ help : !
:: :
No effect; the command does nothing. A zero exit code is returned.
What about that second argument?
$ help !
bash: help: no help topics match `!'. Try `help help' or `man -k !' or `info
!'.
Regarding RESERVED WORDS
$ set ! case do done elif else esac fi for function \
if in select then until while { } time [[ ]]
$ for i do help >&- 2>&- $i||e=$i\ $e; done
$ echo $e
]] } then in fi esac else elif done do !
OK, but ! perhaps should have a blurb.
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