Merge branch 'maint'

diff --git a/t/test-lib.sh b/t/test-lib.sh
index d75766adaf127bbe77022da4ba1e2af1fbdff878..30ed4d74bb2851c1b76f343160a0e34758d580f5 100644 (file)
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -42,10 +42,11 @@ TZ=UTC
 TERM=dumb
 export LANG LC_ALL PAGER TERM TZ
 EDITOR=:
-unset VISUAL
-unset EMAIL
-unset LANGUAGE
-unset $(perl -e '
+# A call to "unset" with no arguments causes at least Solaris 10
+# /usr/xpg4/bin/sh and /bin/ksh to bail out.  So keep the unsets
+# deriving from the command substitution clustered with the other
+# ones.
+unset VISUAL EMAIL LANGUAGE $(perl -e '
        my @env = keys %ENV;
        my $ok = join("|", qw(
                TRACE