Fix Thai link trail regexp

Escaping the end anchor is unlikely to be useful. This was noticed as it
resulted in an invalid regexp after being transformed in Parsoid.

Change-Id: I955215c83ff29032f8276b0fa3e6b9701a1f2359
Fix comment for mw.user.sessionId()

Change-Id: I19ab8b6de9f7bfe4418a6cab863ee97b77905795
Merge "Fix comment for mw.user.sessionId()"