[Groff] Re: .substring bug - indicies don't work as documented(?)

[Bernd Warken]

On Sun, Oct 28, 2001 at 02:12:33PM +0100, Werner LEMBERG wrote:
> > Languages seem to do it all kinds of ways.
> >
> >     % python
> >     >>> s = 'abcdefg'
> >     >>> s[1]
> >     'b'
> >     >>> s[1:1]
> >     ''
> >     >>> s[1:2]
> >     'b'
> >     >>> s[0:2]
> >     'ab'
> >     >>> s[-2]
> >     'f'
> >     >>> s[-2:]
> >     'fg'
> 
> Emacs Lisp's `substring' command behaves identically.  I'm more and
> more convinced that it is a good idea to make groff's .substring
> request work similar.
> 
> While this is an incompatible change, it is an improvement IMHO.  Any
> objections?
>
Agreed, it also like in C.  So forget my former mail on positioning.

Bernd Warken