Re: proper use of add-function

[Eric Abrahamsen]

Michael Heerdegen <michael_heerdegen@web.de> writes:

> Eric Abrahamsen <eric@ericabrahamsen.net> writes:
>
>> Okay, I see what you and Noam are saying, and in fact what the docstring
>> is saying. It's just pretty weird that `add-function' works on
>> variables, and `advice-add' works on functions.
>
> Actually `add-function' works for "places" (including
> `symbol-function'), so it's the more general and more low-level tool.
> `advice-add' is higher-level and specialized on function names.

I guess that's why I kept trying to make this work -- I thought the
`symbol-function' place would allow me to apply my advice to
'canonically-space-region. Why doesn't that work?