If I remember correctly you can use *BLANKS in a CLP as long as it is all the same case (I use UPPER) and not in quotes.

Bob Schwartz

message: 1
date: Mon, 31 Mar 2008 08:25:32 -0500
from: "Francis Lapeyre" <flapeyre@xxxxxxxxx>
subject: Re: Classic Traps -- I need your input!

The figurative constants *BLANKS and *ZEROS do not exist in CL! That's
strictly an RPG thing. If you use those, (especially *BLANKS), you will be
comparing against the literal strings '*BLANKS' or '*ZEROS'.

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