There are some changes in javac.properties since 10/14, which is after message synch #3.
if running javac in jdk6.0 b59b, some of the options messages are not localized.

Below are the new messages in javac.proprties.

javac.opt.processorpath=\
     Specify where to find annotation processors
javac.opt.processor=\
    Name of the annotation processor to run; bypasses default discovery process
javac.opt.proc.none.only=\
     Control whether annotation processing and/or compilation is done.
javac.opt.sourceDest=\
     Specify where to place generated source files
javac.opt.A=\
     Options to pass to annotation processors
javac.opt.arg.class=\
     <class>
javac.opt.arg.key.equals.value=\
     [key[=value]]
javac.opt.print=\
     Print out a textual representation of specified types
javac.opt.printRounds=\
     Print information about rounds of annotation processing
javac.opt.printProcessorInfo=\
    Print information about which annotations a processor is asked to process
javac.msg.proc.annotation.uncaught.exception=\
 \n\nAn annotation processor threw an uncaught exception.\n\
 Consult the following stack trace for details.\n