&|8.4|http://www.tcl.tk/man/tcl8.4/TkCmd/tkvars.htm%|%tkvars%|%|&
&|8.5|http://www.tcl.tk/man/tcl8.5/TkCmd/tkvars.htm%|%tkvars%|%|&
&|8.6|http://www.tcl.tk/man/tcl8.6/TkCmd/tkvars.htm%|%tkvars%|%|&


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