erik-vos

I have checked the water tile, but it has the correct specification `colour="fixed"`, so that cannot be the cause. It's clearly another manifestation of an apparently widespread failure of finding...

I think I have found another case where a valid rotation is not allowed. It is in 1826 that I'm now working on.  The green tile 23 that I'm...

Confirmed. I'll investigate.

Rails deliberately forbids selling an 1835 director's share. In a code comment, the reason is stated as follows: "In 1835 it is not allowed to split the Presidents Certificate on...

Ah, I now see that this aspect has been discussed before in issue #77, including a reference to German rule 3.3.7, where Peter's intended presidence dump is explicitly allowed, but...

OK. Now what I need is a statement _exactly_ formulating in which way 1835 differs from 1830 in this matter. Let me try: in 1835 you cannot dump by selling...

The underlying principle for selling holdings, in which 1835 differs from most other 18xx games, seems to be: in 1835 you sell _certificates_, not _shares_. So if you want to...

Whilst debugging, I found more errors, and it did not help at all that the code for sorting out the possible sell actions was a mess, even though I had...

> All in the same turn and at the same price, of course Well, it turns out that the rules say, that multiple sell actions cause multiple price drops. The...

> It would be much cleaner to be able to just select all the certificates that you want to sell. Yes, I was already thinking along that line. But you're...