x(0),=(class => userError1, message => messagestring, at => raise("userError1","messagestring"), in => )
a(1),=aaa
y(2),=aaa
z(3),=raise("userError2",$a)
a(1),=bbb
y(2),=bbb
z(3),=raise("userError2",$a)
a(1),=ccc
y(2),=ccc
z(3),=raise("userError2",$a)
a(1),=aaa
y(2),=aaa
z(3),=raise("userError2",$a)
userError2:ddd At raise("userError2",$c) in mytest2("A")
