bug#16413: 24.3.50; Inconsistent behavior of text property functions in narrowed buffer

[Eli Zaretskii]

> Date: Sat, 11 Jan 2014 00:17:19 -0800
> From: Daniel Colascione <dancol@dancol.org>
> CC: nbtrap@nbtrap.com, 16413@debbugs.gnu.org
> 
> Narrowing is useful as a poor man's mmm-mode, among other things, and 
> programatically, it's useful for parsing delimited constructs (where we 
> can just narrow to the region of interest). Narrowing hasn't been a 
> purely visual hint, and plenty of lisp-level functions treat the edges 
> of the accessible portion of the buffer as real buffer ends. Since this 
> abstraction almost completely works today, we should try to fill any 
> remaining gaps.

You will find this not an easy task, I'm afraid.