[plt-scheme] Any plans for supporting DSSSL style param lists?

Hi,
    Are there any plans for supporting the DSSSL-style parameter lists (param lists w/ optional arguments and/or default arguments) in PLT Scheme ala Bigloo?

Thanks,

Harry W. Reed                       | Never ascribe to malice that which can
doon at infoscientific.com             | adequately be explained by stupidity.
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"Of all tyrannies a tyranny sincerely  exercised for the good of its victims 
 may be the most  oppressive.  It may be better to live under  robber barons 
 than  under  omnipotent  moral busybodies,  The robber baron's  cruelty may 
 sometimes sleep,  his cupidity may at some point be satiated; but those who 
 torment us for own good  will torment us  without end,  for they do so with
 the approval of their own conscience."    -   C.S. Lewis, _God in the Dock_
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"Truth often suffers more by the heat of its defenders than the arguments 
of its opponents." -- Sir William Penn
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