Question 1: ... boundaries

So that one can see where to apply rules for minority languages.

Question 2: ...hyphens

When the determinated elements consist of general geographical names, for example Donau-Oder-Kanal or Großglockner-Hochalpenstrasse.

Question 3: ... institution

Österreichischer Akademie der Wissenschaften or AKO

Question 4: ... ligature:

As IJ: IJsselmeer)