From: Andrew Shadura <andrew@shadura.me>
Subject: use system texi2html

--- a/doc/html/Makefile
+++ b/doc/html/Makefile
@@ -3,7 +3,7 @@
 include ../src/defs
 
 python-xlib_toc.html: $(SRCS)
-	./texi2html -splitnode -menu $(TOPSRC)
+	texi2html -split=node -menu $(TOPSRC)
 	ln -sf python-xlib_toc.html index.html
 
 clean: