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Re: un-deprecating CL

From: Richard Stallman
Subject: Re: un-deprecating CL
Date: Sun, 16 Sep 2007 20:21:12 -0400

    some every notany 
    remove-if delete-if 

Those are useful operations, and I would like to add facilities to do
them.  However, I don't like the CL functions because of their CL
style keyword argument, which I feel conflicts with the spirit of
Emacs Lisp.

Thus, I would rather add other facilities with simpler interfaces
to do these things.

Instead of `remove-if', there could be a macro `filter',
like `dolist' except that the body says whether to keep
an element or discard it.

Another macro could be designed to replace `some', `every' and

These macros would also run faster than those function calls,
for whatever that is worth.

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