Merge pull request #16385 from alalek:ts_update_optional_message
authorAlexander Alekhin <alexander.a.alekhin@gmail.com>
Mon, 20 Jan 2020 10:54:40 +0000 (10:54 +0000)
committerAlexander Alekhin <alexander.a.alekhin@gmail.com>
Mon, 20 Jan 2020 10:54:40 +0000 (10:54 +0000)

Trivial merge