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6109f54a5e
'cd' with no argument is supposed to go to your home directory, but
in this override function it produced an error due to an incorrect
use of $@ within another parameter substitution, preventing $@ from
expanding to zero words.
Ref.: https://groups.google.com/d/msgid/korn-shell/781ed34b-6860-5d47-dfe8-be21280a6b31%40inlv.org
src/cmd/ksh93/fun/dirs: _cd():
- Fix the bug by setting a positional parameter if needed,
then using a normal and correct "$@" expansion for \cd.
- While we're here, restore a historic comment about using
'command' to bypass aliases that exists in the listing of this
function in the official 1995 KornShell book (pp. 274-276).
Presumably, that comment was deleted when they decided to add the
obnoxious and broken default alias command='command ', whenever
that was. This branch got rid of that default alias in
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| popd | ||
| pushd | ||