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Usage: xcheck [OPTION...] [--] <x-command>
Run a X command capturing stdout and stderr. If it gives an error, popup a
viewer with the messages.
If it survives for 5 seconds, exit this script and delete any temporary files.

Also removes any crufty xwin-utils backup file
/home/bhepple/.local/share/xwin/$WINDOW_ID.
Options:

  -f, --force                always display output
  -v, --verbose              be verbose
  -w, --watch=time           time to watch the app. 0==forever. Default is '5'.
                             Must be of type 'i'. Must be in the range
                             '0:1000'.
  -h, --help                 print this help message
  -V, --version              print version and exit

Mandatory or optional arguments to long options are also mandatory or optional
for any corresponding short options.
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