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Date:	Fri, 13 Feb 2004 12:36:37 PST8
From:	"Lynn H. Maxson" <lmaxson@pacbell.net >
Reply-To:	scoug-programming@scoug.com
To:	< "scoug-programming@scoug.com" > scoug-programming@scoug.com >
Subject:	SCOUG-Programming: PL/I most important statement (was: call(TZ) ? - PL/I)

Content Type: text/plain

"Okay, good. I thought BEGIN also did memory allocation for
whatever was needed within its block. Yes? No?"

Well, yes and no, the only variables which get allocated at
runtime are those with the automatic storage attribute.
These get allocated on entry to a procedure (or begin) block
and deallocated on exit. Note that the "begin" block in this
instance is "internal" to a procedure block. All you are talking
about is when a specific automatic variable is allocated and
deallocated. Again the primary purpose of the begin-block in
this instance is to avoid naming conflicts where the same
name appears for different variables within the same
procedure block.

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