binary out of the PuTTY docs Makefile. Instead, I expect to find
Halibut as simply `halibut' on the PATH, and anyone who doesn't have
it there can always do `make HALIBUT=/path/to/halibut'.
[originally from svn r4895]
INPUTS = $(patsubst %,%.but,$(CHAPTERS))
# This is temporary. Hack it locally or something.
-HALIBUT = $(HOME)/src/halibut/build/halibut
+HALIBUT = halibut
index.html: $(INPUTS)
$(HALIBUT) --text --html --winhelp $(INPUTS)