--- workingenv-r2216.py	Fri Dec 29 08:44:04 2006
+++ workingenv.py	Fri Dec 29 08:46:59 2006
@@ -1425,7 +1425,12 @@
 else
     _WE_OLD_PS1="$PS1"
 fi
-PS1="(`basename $WORKING_ENV`)$PS1"
+if [ `basename $WORKING_ENV` == __ ] ; then
+    # special case for Aspen magic directories
+    PS1="[`basename \`dirname $WORKING_ENV\``] $PS1"
+else
+    PS1="(`basename $WORKING_ENV`)$PS1"
+fi
 export PS1
 if [ -n "$_WE_OLD_PYTHONPATH" ] ; then
     if [ "$_WE_OLD_PYTHONPATH" = "__none__" ] ; then