Re: with-wrapper-hook is obsolete; how to replace it?

[Paul Eggert]

On 05/15/2016 11:43 AM, Stefan Monnier wrote:
> I don't think you can do it in a backward-compatible way.
> Which is why buffer-substring--filter still uses with-wrapper-hook (but
> only to implement the obsolete filter-buffer-substring-functions variable).

OK, thanks, how about the attached patch instead? The idea is to pacify 
the byte compiler without attempting to use add-function, by creating an 
internal-use-only version of the obsolete macro, a version that does not 
generate the warnings.

with-wrapper-hook.diff
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