diff -uNr TeXmacs-1.0.6.11-src-orig/plugins/maxima/bin/maxima_detect TeXmacs-1.0.6.11-src/plugins/maxima/bin/maxima_detect
--- TeXmacs-1.0.6.11-src-orig/plugins/maxima/bin/maxima_detect	2007-09-03 18:47:53 +0400
+++ TeXmacs-1.0.6.11-src/plugins/maxima/bin/maxima_detect	2007-09-23 16:53:52 +0400
@@ -61,9 +61,10 @@
 version 5.9.3
 version 5.10
 version 5.11
-version 5.12" >/dev/null
+version 5.12
+version 5.13" >/dev/null
         then
-          # 5.9.1 or 5.9.2 or 5.9.3 or 5.10 or 5.11 or 5.12
+          # 5.9.1 or 5.9.2 or 5.9.3 or 5.10 or 5.11 or 5.12 or 5.13
           maxima -d | grep -F 'maxima-htmldir=' | sed -e \
           's/maxima-htmldir=/"/' -e 's|$|/maxima_toc.html"|'
         else
diff -uNr TeXmacs-1.0.6.11-src-orig/plugins/maxima/bin/tm_maxima TeXmacs-1.0.6.11-src/plugins/maxima/bin/tm_maxima
--- TeXmacs-1.0.6.11-src-orig/plugins/maxima/bin/tm_maxima	2007-09-03 18:47:53 +0400
+++ TeXmacs-1.0.6.11-src/plugins/maxima/bin/tm_maxima	2007-09-23 16:57:38 +0400
@@ -17,8 +17,8 @@
   5.9.1) exec maxima -u $1 -l $2 -p "$TEXMACS_MAXIMA_PATH/texmacs-maxima-5.9.1.lisp";;
   5.9.1.1* | 5.9.2* | 5.9.3*) exec maxima -u $1 -l $2 -p "$TEXMACS_MAXIMA_PATH/texmacs-maxima-5.9.2.lisp";;
   5.10.*) exec maxima -u $1 -l $2 -p "$TEXMACS_MAXIMA_PATH/texmacs-maxima-5.10.0.lisp";;
-  5.11.* | 5.12.*) exec maxima -u $1 -l $2 -p "$TEXMACS_MAXIMA_PATH/texmacs-maxima-5.11.0.lisp";;
+  5.11.* | 5.12.* | 5.13.*) exec maxima -u $1 -l $2 -p "$TEXMACS_MAXIMA_PATH/texmacs-maxima-5.11.0.lisp";;
   cygwin)
     exec maxima.bat -p "`echo $TEXMACS_MAXIMA_PATH/texmacs-maxima-5.11.0.lisp|cygpath --windows -f -`";;
-  *) echo -e "\2latex:\\red Unsupported version of maxima: $1\5"
+  *) exec maxima -p "$TEXMACS_MAXIMA_PATH/texmacs-maxima-5.11.0.lisp"
 esac
diff -uNr TeXmacs-1.0.6.11-src-orig/plugins/maxima/progs/init-maxima.scm TeXmacs-1.0.6.11-src/plugins/maxima/progs/init-maxima.scm
--- TeXmacs-1.0.6.11-src-orig/plugins/maxima/progs/init-maxima.scm	2007-09-03 18:47:53 +0400
+++ TeXmacs-1.0.6.11-src/plugins/maxima/progs/init-maxima.scm	2007-09-23 16:56:16 +0400
@@ -55,10 +55,9 @@
   (with version-list (string->object (maxima-detect))
     ;;(display* "Maxima versions -> " version-list "\n")
     (if (list? version-list)
-	(let* ((default (car version-list))
-	       (rest (cdr version-list))
+	(let* ((rest version-list)
 	       (launch-default
-		(list :launch (string-append "tm_maxima " default)))
+		(list :launch "tm_maxima "))
 	       (launch-rest
 		(map
 		 (lambda (version-name)