This directory contains text of the license files that apply to
third-party sources in the IRAF system:

 * GPL.txt: math/slalib, pkg/images/imcoords/src/healpix.x,
            pkg/xtools/rmturlach.x

 * CDDL.txt: unix/boot/xyacc

 * UCAR.txt: sys/gio/ncarutil

 * ERFA.txt: ast_julday_to_date in noao$astutil/asttools/asttimes.x

 * LLSQ.txt: math/llsq

 * LAPACK.txt: math/lapack

 * ATT.txt: unix/f2c