Hmmm...I've implemented this fix and it works in both FF and IE for me. Have you replaced BOTH sets of occurrances? I think there are four lines to change total.
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གྲོས་བསྟུན་འདི་བསྡམས་ཡོདཔ་ལས་ ལན་གསལ་བརྐྱབ་མི་ཚུགས་