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Date: Sat, 27 May 2006 18:04:48 -0700
From: glen herrmannsfeldt <gah@ugcs.caltech.edu>
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Subject: Re: Checking for Undefined
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Date: 2006-05-27T18:04:48-07:00
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robin wrote:

(snip)

> Checking undefined variables has been around for a long time
> (more than 3 decades, maybe 4), and successfully in notable compilers
> such as WATFOR/WATFIV and PL/C.
> You will find that it's offered in some current Fortran compilers.

Note, though, that it doesn't work well for small variables,
such as CHARACTER*1 in WATFIV with the value 'a'.

-- glen