> I have renamed the "endreleg" since the article release to "låst" and "open".

I like that - much shorter and also the two keywords are the same length, which is always nice when you're making a list. I have to say I would prefer 'åpen', though, just to make extra trouble for people who don't have a keyboard with Correct letters on it. :D

A further thought on `alltid` - you could add the keyword `aldri`, which makes it a runtime error for the variable to take that value. Maybe add ranges as well, for easy bounds checking, e.g.

``` en peker er aldri = null en indeks er aldri > 5 ```

  open peker er 10
  peker er aldri < 5
  peker er aldri > 10
  // Masse kode
  peker er 30 // Error 

  open peker er 10
  peker er aldri < 5 eller > 10
  // Masse kode
  peker er 30 // Error