--- doc/Makefile.in.orig	2007-05-14 06:54:38.000000000 +0800
+++ doc/Makefile.in	2011-08-30 16:43:21.864890601 +0800
@@ -68,7 +68,7 @@
 AM_MAKEINFOHTMLFLAGS = $(AM_MAKEINFOFLAGS)
 DVIPS = dvips
 am__installdirs = "$(DESTDIR)$(infodir)" "$(DESTDIR)$(mangdir)"
-mangdir = $(mandir)/mang
+mangdir = $(mandir)/man1
 NROFF = nroff
 MANS = $(man_MANS)
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
