Hi Steffen,
> |I think his point is[.]
>
> No, it works fine in practice:
My snipped point still stands though, you can't use .substring to get a
zero-length string from a non-empty one.
> > > The current behaviour is an unusable mystery to me personally:
> > > how can you gain a substring of length null, for example, and
> > > without introducing lengthy calculations on macro level?
...
> I think his point is given string s of `abcdefghij', one wants the
> substring starting at index 2, `c', of length 0, 1, or 2. `2 2'
> gives `c', `2 3' `cd'. `2 1' is swapped to `1 2' giving `bc'.
> There's no second parameter that gives an empty string
It's just you didn't need to do that in your clean-up macro. :-)
> It was generated with this piece of code:
>
> . \" TODO doc-mx-cleanup-string: replace with .stringof, if d
> .de doc-mx-cleanup-string
> .tm1 CLEAN UP <\$1>
It seems odd that this and the rest of the macro doesn't need two
backslashes, e.g. `<\\$1>'.
Cheers, Ralph.
