To reproduce:

* Compile package-info.java. javac creates extattrib2\package-info.class:

    $ java -version
    java version "1.6.0-rc"
    Java(TM) SE Runtime Environment (build 1.6.0-rc-b88)
    Java HotSpot(TM) Client VM (build 1.6.0-rc-b88, mixed mode)

    $ javac -version
    javac 1.6.0-rc

    $ dir
     Volume in drive C has no label.
     Volume Serial Number is B8DF-A984

     Directory of C:\JAXB2.0\jaxb-sqe\sandbox\Mustang\NewCR

    06/19/2006 03:05 PM <DIR> .
    06/19/2006 03:05 PM <DIR> ..
    06/19/2006 01:35 PM 469 package-info.java
                   1 File(s) 469 bytes
                   2 Dir(s) 15,382,396,928 bytes free

    $ javac package-info.java

    $ dir /S
     Volume in drive C has no label.
     Volume Serial Number is B8DF-A984

     Directory of C:\JAXB2.0\jaxb-sqe\sandbox\Mustang\NewCR

    06/19/2006 03:06 PM <DIR> .
    06/19/2006 03:06 PM <DIR> ..
    06/19/2006 03:06 PM <DIR> extattrib2
    06/19/2006 01:35 PM 469 package-info.java
                   1 File(s) 469 bytes

     Directory of C:\JAXB2.0\jaxb-sqe\sandbox\Mustang\NewCR\extattrib2

    06/19/2006 03:06 PM <DIR> .
    06/19/2006 03:06 PM <DIR> ..
    06/19/2006 03:06 PM 255 package-info.class
                   1 File(s) 255 bytes

         Total Files Listed:
                   2 File(s) 724 bytes
                   5 Dir(s) 15,382,396,928 bytes free

    $
My apologies. Please see attachment.