Traveler url exception on attachmentnames

In 9.0.0.2 the %sign is escaped correctly, but is this also true for dots (e.g double dots and dot space

“description…pdf” or “description. some text.pdf”

LO76871 https://www.ibm.com/support/entdocview.wss?uid=swg1LO76871 Server Attachment may not sync if name contains symbols such as percent sign.