Re: $status is read-only for zsh

[Paolo Bonzini]

> And found this bit in the zsh manpage:
> | In  sh and ksh compatibility modes the following parameters are
> | not special and not initialized by the shell: ARGC, argv, cdpath,
> | fignore, fpath, HISTCHARS, mailpath, MANPATH, manpath, path, prompt,
> | PROMPT, PROMPT2, PROMPT3, PROMPT4, psvar, status, watch.
> 
> so it seems something recently changed that caused the testsuite either
> to use zsh where it didn't before (ok I know what that would be), or to
> not let zsh operate in compatibility mode (emulate sh).

I'll test it.

Paolo