Fix for new Tcl bug that caused L tests to fail. Yes, this does change behavior of TclPrintSource() and TclPrintInstruction() if their args contain certain unprintable characters or unicode characters, but the new behavior is wrong anyway as it can fail to print the entire string.
Fix for new Tcl bug that caused L tests to fail.
Yes, this does change behavior of TclPrintSource() and
TclPrintInstruction() if their args contain certain
unprintable characters or unicode characters, but the new
behavior is wrong anyway as it can fail to print the entire
string.

bk: 532f02f07RVFsHoIXLGq9DMcqpftig
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