Re: [Groff] .substring

[Werner LEMBERG]

> I remember that .substring was intended to become more compatible to
> whatever.  It seems that this did not happen so far.  It still has
> the first character as of index 1 and the last one as of index 0.  I
> do not know about any other language with such a behavior.
> 
> C and Python use index 0 and -1 as the first and last index resp.,
> and a range is determined by the `before' idiom.  This is not
> comfortable to everyday thinking, but is quite handy once you got
> used to it - and it is the standard for a host of languages.

It's on my TODO list, but until now I wasn't in the mood to fix
that...  Any help highly appreciated (this mainly means to check all
packages which use .substring, update the docs, etc.).

> The documentation of the first argument for .substring sounds a bit
> strange to me.  When using .substring the name of a string is
> passed, not a register.  Maybe some register shows up internally,
> but you cannot pass some of your registers to this request.

Fixed, thanks.


    Werner