Original authors are also attributed in each source file...

Bruce Korb:
src/*[ch], getdefs/*.[ch] and autoopts/*.[chtd]*
tests/opts.test, tests/stress.test and tests/stress.def
rehacked compat/pathfind.c to be SVR4 compatible.
reworked compat/strsignal to use a shell script to extract the local
information and generate a static version.  (It uses autogen,
so a generated version must be distributed also. :)

Bruce Korb and Gary V. Vaughan:
In the directory config, regcomp.m4 and bootstrap.

Gary V. Vaughan:
changes throughout to aid portability of C code.
wrote the autoconf files, Makefile.am and configure.in.
in the directory config; ctime.m4, make.m4 and release.
in the directory compat; basename.c, dirname.c, compat.h,
       pathfind.c, libgen.h
in the directory tests; almost *.test
snprintfv/*

Brian Fox, Chet Ramey:
sections of files borrowed from bash-2.0 incorporated into
compat/compat.h; (posixstat.h, posixjmp.h)

Fred Fish, Gary V. Vaughan and Bruce Korb:
in the directory compat; strsignal.c

Doug Gwyn, Richard Stallman:
in the directory compat; ndir.h
