+
+warnings="-ww"
+
+#### If the prefix is too long, groff will report that it can't break
+#### the `aliasfiles' line in ali.1.
+length=`echo $prefix | awk '{print length($0)}'`
+[ $length -gt 35 ] && warnings="${warnings} -Wbreak"
+
+#### OpenBSD's mandoc spits out a lot of "unbalance .el request" warnings;
+#### -Wel suppresses them.
+groff -Tutf8 -mandoc -ww man1/ali.1 >/dev/null 2>>"$actual"
+if grep warning "$actual" >/dev/null; then
+ warnings="$warnings -Wel"
+fi
+rm -f "$actual"
+touch "$actual"
+
+