retitle 526924 zparseopts: separate options in 

also sprach Bart Schaefer <schaefer@brasslantern.com> [2009.05.05.1905 +0200]:
> The parameter is set to (-a 1 -a 2), but "print -l $arr" is consuming
> the first -a as an option to print.

Confirmed. This leaves the question of whether something could be
used to separated the values in the case of

  set -- -a1 -a2; zparseopts -A arr a+:-; print -- $arr[-a]

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