I can't build kawa on rawhide (gcj 4.1.2) due to errors like the
[javac] 1. ERROR in
/home/BUILD/kawa-1.9.1/gnu/lists/PrintConsumer.java (at line 9)
[javac] public class PrintConsumer extends PrintWriter
[javac] Exception IOException in throws clause of
Writer.append(CharSequence, int, int) is not compatible with
PrintWriter.append(CharSequence, int, int)
And, indeed, our PrintWriter.append methods don't throw IOException.
Is this a bug?