am 2dbb8e13: am 2448afdb: am 48422283: Merge "make hidden text hidden with negative indent to avoid horizontal scroll bug: 18721145" into lmp-docs automerge: b834c72 automerge: 2a53e24 automerge: c6de288

* commit '2dbb8e13de3a7ced961bbf84733f47e21a6a823d':
  make hidden text hidden with negative indent to avoid horizontal scroll bug: 18721145