--- a/doc/Makefile	Sat Feb 27 19:58:59 2010 +0900
+++ b/doc/Makefile	Wed Feb 24 13:47:59 2010 -0300
@@ -8,6 +8,7 @@
 PYTHON=python
 RST2HTML=$(shell which rst2html 2> /dev/null || echo rst2html.py)
 
+export LANGUAGE=C
 export LC_ALL=C
 
 all: man html