diff --git a/doc/docbook.sh b/doc/docbook.sh
index fda4e2d..83bbf54 100755
--- a/doc/docbook.sh
+++ b/doc/docbook.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #$Id$
-#Copyright (c) 2012-2014 Pierre Pronchery <khorben@defora.org>
+#Copyright (c) 2012-2020 Pierre Pronchery <khorben@defora.org>
 #
 #Redistribution and use in source and binary forms, with or without
 #modification, are permitted provided that the following conditions are met:
@@ -25,8 +25,8 @@
 
 
 #variables
+CONFIGSH="${0%/docbook.sh}/../config.sh"
 PREFIX="/usr/local"
-[ -f "../config.sh" ] && . "../config.sh"
 PROGNAME="docbook.sh"
 #executables
 DEBUG="_debug"
@@ -37,12 +37,14 @@ RM="rm -f"
 XMLLINT="xmllint"
 XSLTPROC="xsltproc --nonet --xinclude"
 
+[ -f "$CONFIGSH" ] && . "$CONFIGSH"
+
 
 #functions
 #debug
 _debug()
 {
-	echo "$@" 1>&2
+	echo "$@" 1>&3
 	"$@"
 }
 
@@ -114,7 +116,7 @@ _usage()
 clean=0
 install=0
 uninstall=0
-while getopts "ciuP:" name; do
+while getopts "ciO:uP:" name; do
 	case "$name" in
 		c)
 			clean=1
@@ -123,6 +125,9 @@ while getopts "ciuP:" name; do
 			uninstall=0
 			install=1
 			;;
+		O)
+			export "${OPTARG%%=*}"="${OPTARG#*=}"
+			;;
 		u)
 			install=0
 			uninstall=1
@@ -137,7 +142,7 @@ while getopts "ciuP:" name; do
 	esac
 done
 shift $((OPTIND - 1))
-if [ $# -eq 0 ]; then
+if [ $# -lt 1 ]; then
 	_usage
 	exit $?
 fi
@@ -151,6 +156,7 @@ fi
 [ -z "$DATADIR" ] && DATADIR="$PREFIX/share"
 [ -z "$MANDIR" ] && MANDIR="$DATADIR/man"
 
+exec 3>&1
 while [ $# -gt 0 ]; do
 	target="$1"
 	shift
@@ -166,7 +172,7 @@ while [ $# -gt 0 ]; do
 			xpath="string(/refentry/refmeta/manvolnum)"
 			section=$($XMLLINT --xpath "$xpath" "$source")
 			if [ $? -eq 0 -a -n "$section" ]; then
-				instdir="$DATADIR/man/html$section"
+				instdir="$MANDIR/html$section"
 			fi
 			;;
 		pdf)
@@ -194,7 +200,11 @@ while [ $# -gt 0 ]; do
 	#install
 	if [ "$install" -eq 1 ]; then
 		source="${target#$OBJDIR}"
-		$DEBUG $MKDIR -- "$instdir"			|| exit 2
+		dirname=
+		if [ "${source%/*}" != "$source" ]; then
+			dirname="/${source%/*}"
+		fi
+		$DEBUG $MKDIR -- "$instdir$dirname"		|| exit 2
 		$DEBUG $INSTALL "$target" "$instdir/$source"	|| exit 2
 		continue
 	fi
diff --git a/po/gettext.sh b/po/gettext.sh
index c3ae919..d1b91a2 100755
--- a/po/gettext.sh
+++ b/po/gettext.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 #$Id$
-#Copyright (c) 2010-2014 Pierre Pronchery <khorben@defora.org>
+#Copyright (c) 2010-2020 Pierre Pronchery <khorben@defora.org>
 #
 #Redistribution and use in source and binary forms, with or without
 #modification, are permitted provided that the following conditions are met:
@@ -25,10 +25,11 @@
 
 
 #variables
+CONFIGSH="${0%/gettext.sh}/../config.sh"
 PREFIX="/usr/local"
-[ -f "../config.sh" ] && . "../config.sh"
 LOCALEDIR="$PREFIX/share/locale"
 POTFILES="POTFILES"
+PROGNAME="gettext.sh"
 #executables
 DEBUG="_debug"
 INSTALL="install -m 0644"
@@ -39,12 +40,14 @@ MSGMERGE="msgmerge"
 RM="rm -f"
 XGETTEXT="xgettext --force-po"
 
+[ -f "$CONFIGSH" ] && . "$CONFIGSH"
+
 
 #functions
 #debug
 _debug()
 {
-	echo "$@" 1>&2
+	echo "$@" 1>&3
 	"$@"
 }
 
@@ -52,7 +55,7 @@ _debug()
 #error
 _error()
 {
-	echo "gettext.sh: $@" 1>&2
+	echo "$PROGNAME: $@" 1>&2
 	return 2
 }
 
@@ -60,7 +63,7 @@ _error()
 #usage
 _usage()
 {
-	echo "Usage: gettext.sh [-c|-i|-u][-P prefix] target..." 1>&2
+	echo "Usage: $PROGNAME [-c|-i|-u][-P prefix] target..." 1>&2
 	return 1
 }
 
@@ -111,7 +114,7 @@ _gettext_pot()
 clean=0
 install=0
 uninstall=0
-while getopts "ciuP:" name; do
+while getopts "ciO:uP:" name; do
 	case "$name" in
 		c)
 			clean=1
@@ -120,6 +123,9 @@ while getopts "ciuP:" name; do
 			uninstall=0
 			install=1
 			;;
+		O)
+			export "${OPTARG%%=*}"="${OPTARG#*=}"
+			;;
 		u)
 			install=0
 			uninstall=1
@@ -134,7 +140,7 @@ while getopts "ciuP:" name; do
 	esac
 done
 shift $(($OPTIND - 1))
-if [ $# -eq 0 ]; then
+if [ $# -lt 1 ]; then
 	_usage
 	exit $?
 fi
@@ -146,6 +152,7 @@ if [ -z "$PACKAGE" ]; then
 fi
 
 LOCALEDIR="$PREFIX/share/locale"
+exec 3>&1
 while [ $# -gt 0 ]; do
 	target="$1"
 	source="${target#$OBJDIR}"