Include the document dependencies earlier so that documents are rebuilt
when they need to be.
diff --git a/Doc/html/Makefile b/Doc/html/Makefile
index 5d9fbca..2115132 100644
--- a/Doc/html/Makefile
+++ b/Doc/html/Makefile
@@ -61,6 +61,8 @@
 	       $(TOPDIR)/html/about.dat \
 	       $(TOPDIR)/tools/node2label.pl
 
+include ../Makefile.deps
+
 # The index.html target is at the end since it screws up font-lock.
 
 modindex.html: lib/lib.html mac/mac.html $(TOOLSDIR)/mkmodindex
@@ -101,8 +103,6 @@
 	$(TOOLSDIR)/mkhowto --about stdabout.dat --address $(PYTHONDOCS) \
 		--html $(TOPDIR)/dist/dist.tex
 
-include ../Makefile.deps
-
 $(PAPERDIR)/api.aux: $(APIFILES)
 	(cd $(PAPERDIR); $(MKAUX) api)