[Tagging] Housenumber interpolation with regularly skipped numbers

[John Smith]

2009/10/11 Richard Bullock <rb357 at cantab.net>:
>> In an interpolation, the number of houses is unknown.
>
>
> The wiki page for the Karlsruhe Schema on interpolation has said this since
> the day it was created;
>
> "For missing house-numbers (e.g. missing "12") two ways need to be drawn
> (e.g. "1-11" and "13-25"). "

This is a little different, the missing numbers are consistently
missing, 1,5,9,13 instead of 1,3,5,9 etc...