Provided by: flightcrew_0.9.3+dfsg-2.1build3_amd64 

NAME
flightcrew-gui - epub validator graphical frontend
SYNOPSIS
flightcrew-gui
DESCRIPTION
FlightCrew is a epub validator; this is a graphical stub for the validator.
SEE ALSO
flightcrew-cli(1) flightcrew-gui version: 0.7.2 February 2013 FLIGHTCREW-GUI(1)