Subject: RE: bug#12253: Restore window start position

From: "Drew Adams" <[email-masked]>
Date: Sat, 19 Jan 2013 07:03:40 -0800

> > +         isearch-win-pt-line (- (line-number-at-pos)
> > +                                (line-number-at-pos 
> (window-start)))
> > ...
> > !     (when isearch-win-pt-line (recenter isearch-win-pt-line)))
> 
> Why do you use `line-number-at-pos' and `recenter' instead of
> `window-start' and `set-window-start'?

No special reason.  It's probably just what occurred to me.

Aren't they equivalent in effect, though not necessarily in performance?  Feel
free to use whichever approach you feel is better.