Japanese characters is not displayed on Microsoft Edge

[thanks2music]

Related #574

Sorry to bother you again. but I have a another problem on Microsoft Edge.

Steps to Reproduce

1. Mac OS X System Preferences -> Keyboard -> Input Sources , add Japanese and check Show input menu in menu bar .
2. Click input menu icon in menu bar and select あ Hiragana
3. In the Trix Editor, type, say, “aaaa” (It is formally, the Japanese character string “あああ” is displayed).
4. However, Nothing is displayed on the Microsoft Edge.

Details

Windows

• Trix version: 1.0.0
• Browser name and version: Microsoft Edge 42.17134.10
• Operating system: Windows 10 Pro

Screenshot