[PATCH v2] emacs: Fix display of highlighted line in notmuch-search

[Michal Sojka]

On Wed, 15 Feb 2012, Dmitry Kurochkin wrote:
> Hi Michal.
> 
> On Tue, 14 Feb 2012 18:09:47 +0100, Michal Sojka <sojka at os.inf.tu-dresden.de> wrote:
> > When notmuch-search-line-faces is used to set background color in search
> > results, the highlight of the current line is not always displayed
> > correctly. This patch fixes that by increasing the priority property of
> > the highlight overlay.
> > ---
> 
> How about changing `notmuch-search-color-line' to use text properties
> instead of overlays?  Then hl-line overlay would take priority over it
> without these changes.
> 
> See [1] by David Edmondson on why text properties are better in
> general.  I plan to use text properties here to simplify updating the
> face when tags are changed.

Hmm, I always wondered why notmuch uses overlays even if Elisp manual
says they don't scale. I remember that I wanted to replace that long
time ago, but there was some problem, which I forgot. Maybe it was the
invisibility David mentions. I guess there is some invisible text in
search output, isn't it?

-Michal