TextArea.append(s), TextArea.replaceRange(s,pos1,pos2) don't work if s=nul

File in X Attachments ta.java shows the bug.
Actually, TextAreaPeer fails:

volga% /opt/home/jdk1.1.3/bin/javac ta.java
volga% /opt/home/jdk1.1.3/bin/java ta
Test: TextArea.setText(null)
Test passed
Test: TextArea.append(null)
Test passed
Test: TextAreaPeer.insertText(null,...)
java.lang.NullPointerException
at sun.awt.motif.MTextAreaPeer.insertText(MTextAreaPeer.java:338)
at java.awt.TextArea.insertText(TextArea.java:159)
at java.awt.TextArea.appendText(TextArea.java:180)
at java.awt.TextArea.append(TextArea.java:171)
at ta.<init>(ta.java:25)
at ta.main(ta.java:45)
^Cvolga%

nikolay.molchanov@Eng 1997-08-11