diff -u jacal-1b9/jacal.sh jacal-1b9/jacal.sh
--- jacal-1b9/jacal.sh
+++ jacal-1b9/jacal.sh
@@ -25,7 +25,7 @@
 
 Usage: jacal
 
-  Run JACAL using (MIT) 'scheme', 'scm', 'gsi', 'mzscheme', 'guile-1.6',
+  Run JACAL using (MIT) 'scheme', 'scm', 'gsi', 'mzscheme', 'guile-1.8',
   'slib48', 'larceny', 'scmlit', 'elk', 'sisc', or 'kawa'."
 # in preceding notice, change guile to guile-1.6, by tb.
 
@@ -47,8 +47,8 @@
     elif type mzscheme>/dev/null 2>&1; then
 	command=mzscheme; implementation=plt
 # Changed from looking for 'guile' to 'guile-1.6' by tb.
-    elif type guile-1.6>/dev/null 2>&1; then
-	command=guile-1.6; implementation=gui
+    elif type guile-1.8>/dev/null 2>&1; then
+	command=guile-1.8; implementation=gui
     elif type slib48>/dev/null 2>&1; then
 	echo "do 'cd ${JACALDIR}; make jacal48'"
     elif type scheme48>/dev/null 2>&1; then
diff -u jacal-1b9/debian/changelog jacal-1b9/debian/changelog
--- jacal-1b9/debian/changelog
+++ jacal-1b9/debian/changelog
@@ -1,3 +1,9 @@
+jacal (1b9-2.1ubuntu1) raring; urgency=low
+
+  * Guile 1.8 transition.
+
+ -- Dmitrijs Ledkovs <dmitrij.ledkov@ubuntu.com>  Wed, 13 Mar 2013 01:56:10 +0000
+
 jacal (1b9-2.1) unstable; urgency=medium
 
   * Non-maintainer upload.
diff -u jacal-1b9/debian/control jacal-1b9/debian/control
--- jacal-1b9/debian/control
+++ jacal-1b9/debian/control
@@ -1,14 +1,15 @@
 Source: jacal
 Section: math
 Priority: optional
-Maintainer: Thomas Bushnell, BSG <tb@debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Thomas Bushnell, BSG <tb@debian.org>
 Build-Depends: debhelper (>= 5)
 Build-Depends-Indep: texi2html, texinfo
 Standards-Version: 3.8.0
 
 Package: jacal
 Architecture: all
-Depends: ${misc:Depends}, scm | guile-1.6, slib (>= 3a5-1)
+Depends: ${misc:Depends}, scm | guile-1.8, slib (>= 3a5-1)
 Description: Interactive symbolic math system
  JACAL is an interactive symbolic math system which can manipulate and
  simplify equations, scalars, vectors, and matrices of single and