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restore 'test --man --' oddness (re: fa6a180f)

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Following a community objection to its removal, the inline 'test'
manual page along with its strange method of invocation is
restored. I've taken the opportunity to correct several mistakes,
add some missing info, do some copy-editing, and document the way
to get these docs in the main (k)sh.1 manual.

Discussion:
fa6a180f (commitcomment-41897553)
This commit is contained in:
Martijn Dekker 2020-08-31 23:43:22 +01:00
parent fa6a180fdd
commit 77beec1e0d
4 changed files with 132 additions and 1 deletions
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9
src/cmd/ksh93/sh.1
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@ -7219,6 +7219,15 @@ grammatical ambiguities in the expressions. To avoid the many pitfalls
arising from these issues, the \f3[[\fP compound command should be used
instead. The primary purpose of the \f3test\fP and \f3[\fP commands is
compatibility with other shells that lack \f3[[\fP.
.RS
.PP
The \f3test\fP/\f3[\fP command does not parse options except if there are
two arguments and the second is \f3--\fP. To access the inline documentation
with an option such as \f3--man\fP, you need one of the forms
.B test\ --man\ --
or
.BR [\ --man\ --\ ] .
.RE
.TP
\f3times\fP
Displays the accumulated user and system CPU times, one line with the times