--- docs/Makefile.in.bak	2009-02-10 09:14:25.000000000 -0700
+++ docs/Makefile.in	2009-02-10 09:15:09.000000000 -0700
@@ -455,7 +455,7 @@
 html/doxygen.css: stamp-doxygen
 stamp-doxygen: doxygen.cfg stamp-eps
 	$(DOXYGEN) $^
-	sed -i 's/%FTGL/FTGL/' html/*html
+	gsed -i 's/%FTGL/FTGL/' html/*html
 	touch $@
 
 latex/ftgl.pdf: stamp-latex