emulate -R resets localoptions

["Andrej Borsenkow" <borsenkow.msk@xxxxxx>]

emulate -R seems to reset *all* options, in particular localoptions. I find
it confusing; it breaks my simple notion, that I should be able to say

function foo() {
    setopt localoptions

and then set *any* option without fear, that it will mess the caller.

May be, there shoud be some flag (EXPLICIT or like), which says, that option
can be reset only explicitly?

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Andrej Borsenkow                Fax:   +7 (095) 796 99 20
SNI ITS Moscow                  Tel:   +7 (095) 796 99 24

NERV:  borsenkow.msk            E-Mail: borsenkow.msk@xxxxxx
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