19 years ago rsc
do not touch TSTP, TTIN, TTOU
shuffle
try leaving TTIN, TTOU alone
better error message
try harder to put background jobs in background; do not print in response to SIGPIPE
add -9 for debugging
ignore tstp
nptl brokenness
add for netfiles
search .lx, .xy, avoid .tab.[ch].
add hget (no ftp support)
add threaddata
allocate window on top of screen.
correct command-printing bug
better png handling