A Tcl question
From: huang (thuang2_at_hotmail.com)
Date: 11/27/03
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Date: Thu, 27 Nov 2003 17:33:12 -0500
Hi,
I have a quick question regarding Tcl. Sometimes, I saw
something like "$::heading ..." or "::syms". What does
this mean? A variable in the current scope? Thanks.
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