This helps to visualize what lines belong to IUSE variable.
Suggested by mgorny in PR #511.
Package-Manager: portage-2.2.24
SLOT="0"
# Here 'opengl' stands for GLX, 'egl' stands for any EGL-based output
IUSE="+alsa archive bluray cdda +cli doc drm dvb +dvd egl +enca encode +iconv
-jack jpeg lcms +libass libav libcaca libguess libmpv lua luajit openal +opengl
-oss pulseaudio pvr raspberry-pi rubberband samba sdl selinux test uchardet v4l
-vaapi vdpau vf-dlopen wayland +X xinerama +xscreensaver xv"
+ jack jpeg lcms +libass libav libcaca libguess libmpv lua luajit openal
+ +opengl oss pulseaudio pvr raspberry-pi rubberband samba sdl selinux test
+ uchardet v4l vaapi vdpau vf-dlopen wayland +X xinerama +xscreensaver xv"
REQUIRED_USE="
|| ( cli libmpv )