X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/80ef59c713c67acdda99b6fce0c91721211f1f96..e4b6a85b3c76d4002feff93c0dc268366192f906:/Makefile.doc

diff --git a/Makefile.doc b/Makefile.doc
index 160dad0..677bc8e 100644
--- a/Makefile.doc
+++ b/Makefile.doc
@@ -1,2 +1,7 @@
+all: puzzles.hlp puzzles.txt HACKING
+
 puzzles.hlp puzzles.txt: puzzles.but
 	halibut --winhelp=puzzles.hlp --text=puzzles.txt puzzles.but
+
+HACKING: devel.but
+	halibut --text=HACKING devel.but