+pl 74
+ - avoid buggy /bin/sh on hp-ux
+ - bf: make/stepmake.make
+ - simple prolog support
+
+pl 73
+ - bf: invoke sed only once
+
+pl 72
+ - bf: mfplain dependency
+ - inimf, inimf checking (sigh)
+
+pl 71
+ - bf: c-tags
+ - yodl: groff, ditroff
+
+pl 70
+ - GUILE config fixes (AF)
+
+pl 69
+ - package_depth detection fix
+
+pl 68
+ - support for install-libraries
+
pl 66
- check for tbl and gmake