Lauren

One point of clarification: although I mention using a 3rd display in 90 degree rotation, I don't know if this is actually related any more than using any other external...

Yes, I am currently using the latest master due to #281. Sorry, should have mentioned that. The issue is definitely present as of the latest commit in master.

I've noticed that when this happens there are a couple of errors logged in Console: ``` 18/08/2016 14:25:07.090 Neovim[1180]: *** -[__NSCFConstantString stringByAppendingString:]: nil argument 18/08/2016 14:25:07.090 Neovim[1180]: ( 0 CoreFoundation...

I've been trying to dig into this to find out why `[NSString stringWithUTF8String:char_s.c_str()]` returns nil. At first I thought perhaps it was not getting a null-terminated string, despite c_str() meant...

It looks like these are only expanded in the prompt if the PROMPT_SUBST option is enabled, e.g. `setopt PROMPT_SUBST`. You're right though. I had not realised this is not enabled...

Not sure I understand your first question -- can you clarify? To the second -- yes, that would be a good improvement! Might take me a while to get round...