/usr/bin/imlib2_view: invalid option -- '-'
Usage:
  imlib2_view [OPTIONS] {FILE | XID}...
OPTIONS:
  -C         : Print CRC32 of image data
  -a         : Disable final anti-aliased rendering
  -b L,R,T,B : Set border
  -c         : Enable image caching (implies -e)
  -d         : Enable debug
  -e         : Do rendering explicitly (not via progress callback)
  -h         : Show help
  -g N       : Set progress granularity to N% (default 10(%))
  -l N       : Introduce N ms delay in progress callback (default 0)
  -p         : Print info in progress callback (default no)
  -s Sx[,Sy] : Set output x/y scaling factors to Sx,Sy (default 1.0)
  -S Sx[,Sy] : Set input x/y scaling factors to Sx,Sy (default 1.0)
  -t N       : Set background checkerboard field size (default 8)
  -T CA,CB   : Set background checkerboard colors (0xRRGGBB,0xRRGGBB)
  -v         : Increase verbosity