+# During formal builds it's useful to be able to build this one alone.
+putty.hlp: $(INPUTS)
+ $(HALIBUT) --winhelp $(INPUTS)
+
+putty.info: $(INPUTS)
+ $(HALIBUT) --info $(INPUTS)
+
+chm: putty.hhp
+putty.hhp: $(INPUTS) chm.but
+ $(HALIBUT) --html $(INPUTS) chm.but
+