Wrapping problem with unicode in High Sierra

[jerch]

Issue for tracking a wrapping problem in High Sierra:

@Tyriar
I'm seeing wrapping being broken on macOS/bash when I use 💩:

URL:
#1669 (comment)

[jerch]

Oh well this is just another wcwidth problem - xterm.js' wcwidth sees 💩 as a halfwidth char and High Sierra as a fullwdith char, therefore the CR is one char to early in the stream. Since the autowrap did not happen yet the cursor jumps back to the start.

[Tyriar]

Root cause? #1059

[jerch]

Yupp 👍