http://*=avformat
+<?xml*=westley-xml
*.westley=westley
*.inigo=inigo_file
*.asf=avformat
*.avi=avformat
-*.dv=mcdv,libdv,avformat
+*.dv=mcdv,avformat,libdv
*.dif=mcdv,libdv
*.gif=pixbuf
*.jpg=pixbuf
*.svg=pixbuf
*.tga=pixbuf
*.txt=pango
+*.vob=mcmpeg,avformat
*.wav=avformat
*.wmv=avformat
*=avformat