--- doc/Makefile.in.orig	2008-06-09 00:39:42.000000000 +0900
+++ doc/Makefile.in	2008-06-09 00:40:06.000000000 +0900
@@ -15,7 +15,7 @@
 @SET_MAKE@
 
 VPATH = @srcdir@
-pkgdatadir = $(datadir)/@PACKAGE@
+pkgdatadir = $(docdir)
 pkglibdir = $(libdir)/@PACKAGE@
 pkgincludedir = $(includedir)/@PACKAGE@
 am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd