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From: Bart Schaefer <schaefer@brasslantern.com>
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Date: Wed, 29 Apr 2015 06:55:56 -0700
In-Reply-To: <20150429113602.374240c7@pwslap01u.europe.root.pri>
Comments: In reply to Peter Stephenson <p.stephenson@samsung.com>
        "Re: [BUG] Can't mark unset variables as read-only" (Apr 29, 11:36am)
References: <55407BBF.6020401@inlv.org> 
	<20150429113602.374240c7@pwslap01u.europe.root.pri>
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Subject: Re: [BUG] Can't mark unset variables as read-only
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On Apr 29, 11:36am, Peter Stephenson wrote:
}
} +Note that in zsh (unlike other shells) it is still possible
} +to create a local variable of the same name as this is considered a
} +different variable (though this variable, too, can be marked readonly).

Hrm, I wonder if that, combined with "typeset" automatically creating
locals when called in a function context (also a POSIX incompatibility?) 
defeats the whole purpose of an unset readonly?

Actually it probably undermines readonly for variables that are set, too,
so I probably shouldn't worry about it because it isn't changing.