I googled "Tinyscheme bitwise-and" and got a hit. Try that.
--- On Wed, 10/1/08, Giovanni Rizzardi <[EMAIL PROTECTED]> wrote:
> From: Giovanni Rizzardi <[EMAIL PROTECTED]>
> Subject: [Gimp-developer] script-fu error.
> To: gimp-developer@lists.XCF.Berkeley.EDU
> Date: Wednesday, October 1, 2008, 5:47 AM
> I'm trying to update an old script (stegano.scm) that
> uses the functions
> bit-or and bit-and. Both these function should be
> ported from SIOD to TinyScheme but the interpreter raises
> an exception
> complaining about an "unbound variable".
> I wonder if it is me that I'm doing something wrong or
> effectively these two
> function aren't part of the scheme library anymore.
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