go.crypto/ssh/terminal: handle ^W, ^K and ^H

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/13207043
2 files changed
tree: 543cdeb50822afd27cd72aeebdd01a49d85c5034
  1. terminal.go
  2. terminal_test.go
  3. util.go
  4. util_bsd.go
  5. util_linux.go