* Clint Adams wrote on Mon, Nov 27, 2006 at 10:18:11PM CET:
> > posh shares the following POSIX compliance bug with pdksh, quoting:
> > http://www.gnu.org/software/autoconf/manual/html_node/Shellology.html#index-g_t_0040samp_007bpdksh_007d-1173
> 
> Can you explain why this is incorrect

I think this message explains it fairly well:
http://lists.gnu.org/archive/html/autoconf-patches/2004-07/msg00010.html

> or why `` should differ from $() in this respect?

As to why POSIX was written this way, I can only guess: to accommodate
existing usage maybe?  $() is better this way for users: everything
that is a valid shell script can be stuffed between $( and ).  OTOH,
that has led to long-lived bugs (wrt. mixing $() and 'case'
constructs...)

Cheers,
Ralf


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