Alexey:

why does 

/proj/asl/lieber/java/java-envs/jk-library1

I think it is not using the persistence package.

-- Karl

demjava -code lsys
Parsing lsys.cd...
Expanding parameterized classes...
Converting repetition classes...
Filling in part names...
Setting inheritance links...
Parsing lsys.beh...
Gathering methods...
Expanding traversals...
  Expanding PrintUsers: bypassing Book_List to-stop User ...
  Expanding Add_Copy: bypassing User_List to-stop Book ...
  Expanding SearchBook: bypassing User_List to-stop Book ...
  Expanding FindBook: bypassing User_List to-stop Book ...
  Expanding SearchUser: bypassing Book_List to-stop User ...
  Expanding SearchStaff: to-stop Staff ...
  Expanding PrintCheckedOut: bypassing Copy to-stop BookEntry ...
  Expanding AllCommands: to * ...
  Expanding PrintBooks: to-stop { BookEntry , Copy } ...
Generating Java code...
demjava -grammar lsys
Parsing lsys.cd...
Expanding parameterized classes...
Converting repetition classes...
Filling in part names...
Setting inheritance links...
Generating CUP lexer...
Generating CUP grammar...
java java_cup.Main -compact_red < lsys.cup
Warning: Terminal "Text" was declared but never used
Warning: Terminal "String" was declared but never used
------- CUP v0.9e Parser Generation Summary -------
  0 errors and 2 warnings
  93 terminals, 73 non terminals, and 154 productions declared, 
  producing 319 unique parse states.
  2 terminals declared but not used.
  0 non terminals declared but not used.
  0 productions never reduced.
  0 conflicts detected (0 expected).
  Code written to "parser.java", and "sym.java".
---------------------------------------------------- (v0.9e)
javac -d . lsys.java parser.java sym.java lexer.java
lsys.java:3: Package laforge.persistent not found in import.
import laforge.persistent.*;
^
lsys.java:4: Package laforge.lang not found in import.
import laforge.lang.*;
^
lsys.java:5: Package laforge.util not found in import.
import laforge.util.*;   
^
parser.java:8: Package laforge.persistent not found in import.
import laforge.persistent.*;
^
parser.java:9: Package laforge.lang not found in import.
import laforge.lang.*;
^
parser.java:10: Package laforge.util not found in import.
import laforge.util.*;
^
lexer.java:3: Package laforge.persistent not found in import.
import laforge.persistent.*;
^
lexer.java:4: Package laforge.lang not found in import.
import laforge.lang.*;
^
lexer.java:5: Package laforge.util not found in import.
import laforge.util.*;   
^
9 errors
make: *** [Main.class] Error 1