Small change to the l2h target allowing the output dir, $(HTMLDIR), to be
a sibling of the html/ directory in the distribution.
diff --git a/Doc/Makefile b/Doc/Makefile
index 5d22a87..c373dcf 100644
--- a/Doc/Makefile
+++ b/Doc/Makefile
@@ -298,7 +298,8 @@
 html:	l2h
 
 l2h:
-	(cd $(HTMLDIR); $(MAKE) TEXINPUTS=../paper-$(PAPER):../texinputs:)
+	(cd $(HTMLDIR); $(MAKE) TEXINPUTS=../paper-$(PAPER):../texinputs: \
+		-f ../html/Makefile)
 
 l2hapi: $(COMMONPERL)
 	$(MKHTML) api $(L2HARGS)
@@ -325,6 +326,7 @@
 	$(WEBCHECKER) file:`pwd`/api/
 	$(WEBCHECKER) file:`pwd`/ext/
 	$(WEBCHECKER) -m290000 file:`pwd`/lib/
+	$(WEBCHECKER) file:`pwd`/mac/
 	$(WEBCHECKER) file:`pwd`/ref/
 	$(WEBCHECKER) file:`pwd`/tut/