frog:~/workspaces/test/New39 $ cat -n T.java
     1 class T {
     2 // \u000a \u000a \u000a
     3 foo;
     4 }
frog:~/workspaces/test/New39 $ newjavac T.java
/usr/java1.4/bin/javac -J-Xbootclasspath/p:/net/frog/gafter/gjc-work/generics/build/bootstrap2 -bootclasspath /net/frog/gafter/gjc-work/generics/build/collections2:/usr/java1.4/jre/lib/stubs.jar:/usr/java1.4/jre/lib/rt.jar -classpath . T.java
T.java:6: <identifier> expected
       ^
1 error
frog:~/workspaces/test/New39 $