/usr/bin/afterstepdoc is in afterstep 2.2.12-11.1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 | #!/bin/sh
#
# GPL
#
# Copyright (C) 1998, Cristian Gafton <gafton@redhat.com>
# 1998, Lars Torben Wilson <torben@netmill.com>
#
# If netscape isn't available, run lynx in a xiterm
# First try standard path, then local, then other possible paths
#
exec sensible-browser "file:///usr/share/doc/afterstep/html/index.html"
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