メッセージ返信時に返信先のメッセージを引用する(refs #3556, BP from #2744)
(cherry picked from commit 8fe7e4918719a7b260bd8cdc0b07c5048fcbf356)
removed unnecessary spaces (refs #3556, BP from #2744)
(cherry picked from commit 029d81a224416cab0cbd934fa44ab62ea1c5e5a8)
added test pattern (refs #3556, BP from #2744)
(cherry picked from commit 8d9e35f02b706e24ec771953f14ad5218c900ae1)