Subject: Re: bug#18417: 24.3.93; posn-at-point confused by fill-column-indicator

From: Dmitry Gutov <[email-masked]>
Date: Sun, 07 Sep 2014 22:55:34 +0400

On 09/07/2014 09:22 PM, Eli Zaretskii wrote:

> I assume you meant "fci-mode".

Yes, sorry.

> Anyway, I'm not going to lose sleep over this, sorry.

Fair enough. fci-mode does some pretty complex stuff.

> The recipe in
> effect invokes undefined behavior in posn-at-point, because fci-mode
> uses a zero-length (a.k.a. "empty") overlay to place, in a very
> convoluted way, a stretch of whitespace followed by an image, before
> the newline.

If it's a problem, would you maybe suggest a better way to implement 
this feature, for the Fill-Column-Indicator author?