Re: get-text-property error if narrowed

["Lennart Borgman (gmail)" <lennart.borgman@gmail.com>]

Richard Stallman wrote:
>     get-text-property signals an error if the position argument is outside a 
>     narrowed region. That is very inconvenient. It would be much better if 
>     it behaved like get-char-property which does not do this.
> 
> I just tried (get-char-property 1 'face) in my Rmail buffer and got an
> error, so I think the two functions are alike in this regard.
> I think that an error is the correct result in that case.
> (buffer-substring also gives an error when the positions are out of range.)
> Why do you think otherwise?
> 
> Is there a case in which get-char-property fails to give this error?

I think it happens when there is a property on an overlay. 
get-char-property finds that and returns it. If there is no overlay with 
the tested property then I get an error. (Note that I am using a CVS 
version from 2007-06-04.)