Treat some file format as binary, even if the binary detection heuristic fails.
Treat some file format as binary, even if the binary detection heuristic fails.

Those files can be considered ''semi'' binary, as they are basically non-human readable
(PDF, PostScript, RTF), but the link to the ''Plain Text'' alternative format is nevertheless
made available for those who really want to look at it.

git-svn-id: f68c6b3b1dcd5d00a2560c384475aaef3bc99487@2108 af82e41b-90c4-0310-8c96-b1721e28e2e2

moreati/trac-gitsvn,exocad/exotrac,moreati/trac-gitsvn,dokipen/trac,exocad/exotrac,moreati/trac-gitsvn,dokipen/trac,dafrito/trac-mirror,dafrito/trac-mirror,moreati/trac-gitsvn,exocad/exotrac,exocad/exotrac,dafrito/trac-mirror,dafrito/trac-mirror,dokipen/trac