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users/13566: note you cant unset array elements

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Peter Stephenson 2008-12-10 09:52:32 +00:00
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ChangeLog
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@ -1,3 +1,8 @@
2008-12-10 Peter Stephenson <pws@csr.com>
* users/13566: Etc/FAQ.yo: note problem with unsetting elements
of regular arrays.
2008-12-09 Peter Stephenson <pws@csr.com>
* 26119: Doc/Zsh/zle.yo, Src/Zle/zle_main.c: option to allow vared

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Etc/FAQ.yo
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@ -541,6 +541,12 @@ tt(SH_OPTION_LETTERS),
mytt($array) refers to the whole array, not tt($array[0]);
braces are unnecessary: tt($a[1] == ${a[1]}), etc.
Set the tt(KSH_ARRAYS) option for compatibility.
it() Furthermore, individual elements of arrays in zsh are always
strings, not separate parameters. This means, for example, you
can't `unset' an array element in zsh as you can in ksh; you
can only set it to the empty string, or shorten the array.
(You can unset elements of associative arrays in zsh because
those are a completely different type of object.)
it() Coprocesses are established by mytt(coproc); mytt(|&) behaves like
csh. Handling of coprocess file descriptors is also different.
it() In mytt(cmd1 && cmd2 &), only mytt(cmd2) instead of the whole