4.0
[SV 39709] Fix some typos.
Expand the loadable object support.
[SV 27374] Fatal immediately on unrecoverable fopen() errors.
Rename dash-w to print-directory.
Solaris /bin/sh can't handle multiple options ("-e -c").
Fix portability issues for Guile 1.8.
Update the test template. A few fixes in run_make_test(). Rename implicit_prereq_eval to patternrules, to be the start of a suite of tests of pattern rules.