The package program can not import which does not belong to java class libraly.

Tested with merlin build 1.4beta-B52 on Solaris sparc/x86, RedHatLinux6.2J
and WindowsNT4.0.
The phenomenon occur from 1.4beta-B51.

---Execution and result.
%javac TestA.java
TestA.java:1: '.' expected
import TestB;
            ^
1 error

------------------------


======Executed program======

TestA.java ----------------------
import TestB;

public class TestA extends TestB

{
};
---------------------------------

TestB.java ---------------------

import java.awt.*;

public class TestB extends java.awt.Frame
{
};
---------------------------------