(at least) trace32 documentation uses remote actions with indirect filespecs, mupdf doesn't handle this situation, the attached patch "fixes"
Created attachment 9737 [details] Patch that hacks around the issue
*** Bug 694101 has been marked as a duplicate of this bug. ***
Fixed in commit 674548929d9f6159b059223b26956368414f841d Author: Sebastian Rasmussen <sebras@gmail.com> Date: Sun Jun 2 17:30:28 2013 +0200 Parse full PDF filespecs, not just filenames