bug#35062: [PATCH v3 2/3] constify a bit of xterm.c

[Konstantin Kharlamov]

On Сб, Apr 20, 2019 at 14:23, Konstantin Kharlamov 
<hi-angel@yandex.ru> wrote:
> On Сб, Apr 20, 2019 at 14:01, Eli Zaretskii <eliz@gnu.org> wrote:
> > >  Date: Sat, 20 Apr 2019 13:31:44 +0300
> > >  From: Konstantin Kharlamov <hi-angel@yandex.ru>
> > >  Cc: eggert@cs.ucla.edu, 35062@debbugs.gnu.org
> > >
> > >  On Сб, Apr 20, 2019 at 09:53, Eli Zaretskii <eliz@gnu.org> wrote:
> > >  >>  Date: Sat, 20 Apr 2019 04:09:19 +0300
> > >  >>  From: Konstantin Kharlamov <hi-angel@yandex.ru>
> > >  >>  Cc: Eli Zaretskii <eliz@gnu.org>, 35062@debbugs.gnu.org
> > >  >>
> > >  > I don't think I follow: Emacs's search commands do highlight the
> > >  > matches, and we also have symbol-search commands ("M-s _" etc.), 
> > > so
> > >  > what exactly is missing?
> > >
> > >  See: to any search a word in Emacs you have to either type it 
> > > manually
> > >  or copy-paste it. And then if you get unlucky to have next match
> > >  offscreen, the search gonna carry currently visible portion of text
> > >  away.
> > >
> > >  In other editors and IDEs it's implemented instead by selecting a 
> > > word,
> > >  which makes the editor to highlight matches.
> >
> > "M-s ." will highlight matches for the symbol at point, without even
> > requiring you to select that symbol.
>
> Wow, that's cool, I didn't know about 
> (isearch-forward-symbol-at-point).
>
> > >  That's similar to what highlight-symbol.el is doing: you put a 
> > > caret
> > >  over a text, and after a short timeout (IIRC you can't set timeout
> > >  to 0 as it introduces lags to Emacs) it highlights visible matches
> > >  of the symbol under the caret. And then, if you want to, you can
> > >  press a hotkey to lock the highlight.
> >
> > So you want to avoid typing "M-s .", is that right?  But selecting a
> > symbol will need more keystrokes (except for very short symbols), so
> > where's the gain in that?
>
> Well, me not knowing about "M-s ." aside, I understand one can't 
> directly compare having to select a text in other editors with Emacs, 
> because those are mouse-oriented, and Emacs is keyboard-oriented. The 
> "Emacsy" solution is implemented in highlight-symbol.el, and it is 
> quicker than typing "M-s .": you just put a caret over a symbol, and 
> matches are automatically shown.
>
> I just thought if I can write an analog of highlight-symbol.el by 
> binding the "M-s ."

…by binding the function to idle-timeout and post that as an answer 
here 
https://stackoverflow.com/questions/385661/how-to-highlight-all-occurrences-of-a-word-in-an-emacs-buffer 
but I figured that this gonna make caret to jump to beginning of a word 
every time, so probably no.

(sorry, accidentally pressed Ctrl+enter in mail client instead of 
Ctrl+Backspace)