Re: [PATCH 2/3] lisp/progmodes/etags.el don't (forward-char) as it's overriden next line

[Konstantin Kharlamov]

В Вс, мар 17, 2019 at 6:36 ДП (AM), Eli Zaretskii 
<address@hidden> написал:
> >  Date: Sun, 17 Mar 2019 00:12:36 +0300
> >  From: Konstantin Kharlamov <address@hidden>
> >  Cc: address@hidden
> >
> >  > ^M has special meaning in selective-display mode.
> >
> >  Thanks, so, I just tried playing with the mode, and I haven't even
> >  found ^M anywhere. I wonder if the ^M being added by the mode is in 
> > the
> >  past, that just no longer happening.
> >
> >  Specifically, I did:
> >
> >  1. wrote in scratch buffer
> >  test
> >   test
> >    test
> >  2. evaluated (set-selective-display 1) which transformed the look of
> >  the text to
> >  test...
> >  3.α Tried searching for ^M by pressing C-s C-q C-m. It's failing to
> >  find anything.
>
> The ^M character is what causes that "..." ellipsis.  You cannot
> search for it interactively because Emacs prevents that, but the
> character is there in the buffer text.

Okay, well, I couldn't find it by evaluating (re-search-forward "^M") 
either.

So, given the character can't be inspected, the old code couldn't even 
do anything :)