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Bug in Incr TCL???

Bug in Incr TCL???

(OP)
I have a standalone TCL script that invokes a system call of another script.  To invoke this, I build a command string using a variable called 'cmd'.

To make an extremely long story short (not to mention the countless hours of trying to find a 'global/upvar of cmd'), I found that my cmd variable was getting corrupted by IncrTcl.  To easily reproduce this:

CODE

[johndoe@server]$ tclsh
% set cmd
can't read "cmd": no such variable
% package require Itcl
3.4
% set cmd
private
%

So it seems that Itcl is setting 'cmd' at the top/global level namespace.  Anyone else ever see this?   

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