Introduction
Options
    acroread, acrobat
    bg-slices=N+...+N
    bg-subsample=<1-6>
    chars
    convert-links
    dpi=DPI
    exact-color, no-exact-color
    fgbg-sep
    fg-colors=<1-4000>
    fg-image-colors=<1-4000>
    fg-quality=<lossless|quasilossless|conservative|lossy|aggressive>
    gsarg=GSARG
    ignore-color-profiles
    lines
    nosep
    pages-per-dict=<value>
    profile
    pagesize=WIDTHxHEIGHT
    pdf=<screen|printed>
    psrotate=<0|90|180|270>
    quality=<1-100>
    quiet
    resourcedir
    same-directory, same-folder
    threshold-level=<1-100>
    verbose
    version
    words