Re: narrowing considered harmful

[Leo Liu]

On 2013-06-15 10:43 +0800, Stefan Monnier wrote:
> I wouldn't worry about it.  It can even be a bad idea (set-marker to
> nil requires scanning the whole list of markers, so it can take a while.
> It can be more efficient to let the GC collect them later on).
>
>
>         Stefan

Good to know this. The manual contains this:

,----[ (info "(elisp)Overview of Markers") ]
|      ;; When you are finished using a marker, make it point nowhere.
|      (set-marker m1 nil)
|           => #<marker in no buffer>
`----

Should that be changed?

Leo