User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.8.1.3) Gecko/20070310 Iceweasel/2.0.0.3 (Debian-2.0.0.3-2) Build Identifier: The index.html in /usr/share/xfce4/doc/C/ links to xffm.html as the filemanager yet xffm has been superseeded by thunar. I think this wants to be removed; I'm not sure if the thunar docs are always installed to a consistent location but if so I'd replace the link to whereever the thunar ones end up. Reproducible: Always
Thank you for your bug report, this appears to be fixed in git master.