$ ant buildSWF
Buildfile: c:\My Stuff\Projects\AS3\2011\Ninjatude\build.xml

ensureValidEnvironment:

init:

buildSWF:
     [echo] Generating Ninjatude.swf
     [exec] command line: Error: default arguments may not be interspersed with
other options
     [exec]
     [exec] Use 'mxmlc -help' for information about usiAdobe Flex Compiler (mxml
c)
     [exec] Version 4.1.0 build 16076
     [exec] Copyright (c) 2004-2009 Adobe Systems, Inc. All rights reserved.
     [exec]
     [exec] ng the command line.

BUILD FAILED
c:\My Stuff\Projects\AS3\2011\Ninjatude\build.xml:134: exec returned: 1

Total time: 0 seconds