planetarium: Adjust imports for latest syntactic keywords.

diff --git a/src/planetarium/mit.pkg b/src/planetarium/mit.pkg
index d4db900ae7a8d30c91e444c3713efbf02a67914f..548e9b606aae4e4c06dab5f620eb3bfb510b9646 100644 (file)
--- a/src/planetarium/mit.pkg
+++ b/src/planetarium/mit.pkg
@@ -31,7 +31,7 @@ Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
 (define-package (r3rs essential)
   (parent #f)
   (import ()
-         quote lambda set! cond letrec begin define
+         quote lambda set! cond else letrec begin define
 
          < <= = > >= abs assoc assq assv boolean?
          car cdr caar cadr cdar cddr
@@ -61,7 +61,7 @@ Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
 (define-package (r3rs)
   (parent (r3rs essential))
   (import ()
-         do backquote quasiquote and case delay if let let* or
+         do and case delay if let let* or
 
          * + - / acos angle append apply asin ceiling
          char-alphabetic?  char-ci<=? char-ci<? char-ci=? char-ci>=?