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Fix typos in previous $@ doc change

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Problem reported in <https://savannah.gnu.org/support/?111102>.
This commit is contained in:
Paul Eggert 2024-08-03 08:44:18 -07:00
parent e1c7713496
commit a12a3ec339
1 changed files with 2 additions and 2 deletions
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doc/autoconf.texi
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@ -16466,7 +16466,7 @@ persists for any length of time.
You may see usages like @samp{$@{1+"$@@"@}} in older shell scripts
designed to work around a portability problem in ancient shells.
Unfortunately this runs afoul of bugs in more-recent shells, and
nowadays it is better to use plain @samp{"$@@"} insteadl.
nowadays it is better to use plain @samp{"$@@"} instead.
The portability problem with ancient shells was significant.
When there are no positional arguments @samp{"$@@"} should be discarded,
@ -16477,7 +16477,7 @@ For many years shell scripts worked around this portability problem by
using @samp{$@{1+"$@@"@}} instead of @samp{"$@@"}, and you may see this
usage in older scripts. Unfortunately, @samp{$@{1+"$@@"@}} does not
work with @command{ksh93} M 93t+ (2009) as shipped in AIX 7.2 (2015),
as this shell drops trailing arguments:
as this shell drops a trailing empty argument:
@example
$ @kbd{set a b c ""}