Email notifications sent by PPM display odd characters in the logo area

Document ID : KB000107847
Last Modified Date : 25/07/2018
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e-mail notification received from PPM contains special characters in logo image. 
Before 15.3 the entry had the trademark symbol in properties file. 
union.ppm=CA PPM™
It got garbled in one of the 15.3 check-ins most probably due to the editor's charset.
fixed in Clarity release 15.4