Exec-ing aliases

[Hrvoje Niksic <hniksic@xxxxxxx>]

I have found a thing that works in zsh-2.6beta13, but does not work in
3.0.0 (doubtless due to exec changes):

$ alias a='echo something'
$ exec a

In 2.6b13 it would echo something and exit. In 3.0.0 (and presumingly
in later betas) it just says "a: command not found".

-- 
hniksic@xxxxxxx              |  Student of electrical engineering
hniksic@xxxxxxxxxxxxx        |  University of Zagreb, Croatia
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