diff --git a/bin/sde-download b/bin/sde-download
index a97611f..3b79cf1 100755
--- a/bin/sde-download
+++ b/bin/sde-download
@@ -526,6 +526,8 @@ download_file_now() {
 			  typeexpr="gzip compressed data" ;;
 		      *.bz2|*.tbz2|*.tbz)
 			  typeexpr="bzip2 compressed data" ;;
+		      *.xz)
+			  typeexpr="xz compressed data" ;;
 		      *.Z|*.tZ)
 			  typeexpr="compress'd data" ;;
 		      *.zip|*.jar)
diff --git a/lib/functions.in b/lib/functions.in
index 115faa5..49aade1 100644
--- a/lib/functions.in
+++ b/lib/functions.in
@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: lib/functions.in
-# Copyright (C) 2006 - 2011 The OpenSDE Project
+# Copyright (C) 2006 - 2012 The OpenSDE Project
 # Copyright (C) 2004 - 2006 The T2 SDE Project
 # Copyright (C) 1998 - 2003 Clifford Wolf
 #
@@ -96,7 +96,7 @@ hasflag() {
 # outputs filename converted to .bz2. stdin and $1 inputs are accepted
 #
 bz2filename() {
-	local pattern='-e s,\.\(t\?\)\(gz\|Z\)$,.\1bz2,'
+	local pattern='-e s,\.\(t\?\)\(gz\|xz\|Z\)$,.\1bz2,'
 	pattern="-e s,\.gpg$,, $pattern"
 	pattern="-e s,\.tar$,\.tar.bz2, $pattern"
 
diff --git a/lib/sde-download/validate.sh b/lib/sde-download/validate.sh
index a0879b4..1e087bc 100644
--- a/lib/sde-download/validate.sh
+++ b/lib/sde-download/validate.sh
@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: lib/sde-download/validate.sh
-# Copyright (C) 2006 - 2008 The OpenSDE Project
+# Copyright (C) 2006 - 2011 The OpenSDE Project
 #
 # More information can be found in the files COPYING and README.
 #
@@ -33,6 +33,8 @@ case "${gzfile##*.}" in
 		extractor=bunzip2 ;;
 	gz|tgz) format=gzip
 		extractor=gunzip ;;
+	xz)	format=xz
+		extractor=unxz ;;
 	tar)	format=tar
 		extractor=cat ;;
 	Z)	format=Z