My plotstamp parameter file would not save, and reverted back to the old version without recent changes when I edit the parameters in the plot dialog - plotstamp dialog box and hit ok. This happens with Bullzip PDF printer. I switched the printer to the AutoCAD DWF printer and was able to update the plotstamp and save it. I then switched back to the Bullzip printer and the plotstamp worked as I wanted. I am just posting so that others that run across this issue will know the work around.
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