[AC (pkgs)] Suppressions for macro error finder

[Jerry James]

APPROVE COMMIT

I wrote:
> This patch adds the ability to remove certain names from the list of
> miscompiled macros generated by gen-macro-err.awk.  Each line in the
> file macro.suppress (in the top-level directory of the package tree)
> should contain the name of one macro to NOT complain about.  Stephen
> Turnbull requested this feature so that we can strip out all the
> read-event and set-buffer-multibyte complaints in the current report.

I have committed this patch.
-- 
Jerry James, Assistant Professor        james at xemacs.org
Computer Science Department             http://www.cs.usu.edu/~jerry/
Utah State University