Stdio.tk is Tcl/Tk code to allow Tcl/Tk programs that read from stdin,
or write to stdout (or stderr) to run on MS-Windows without
modification.  The implement stdin and stdout as a toplevel window
(with typeahead).  Stderr is implemented using a tk_dialog (just the
current message is displayed).


While this code is intended to solve a problem on MS-Windows boxes, it
can be used on any OS.  I suggest that the file be placed in the Tk
Library directory and the following line added to tk.tcl:


        if [file exists $tk_library/stdio.tk] then {source $tk_library/stdio.tk}

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