Pressing Escape with Special Characters window open closes the window and exits text edit/entry mode.
Found while looking for windows that don't close by pressing Escape (#275479: Master Palette doesn't close on ESC in linux).
Enter or edit any text and press F2 to open special characters.
Press Escape.
Results: Special characters window that opens with F2 closes and text edit mode is deactivated.
Expected Results: Special characters window is closed and you can continue editing your text.
Comments
Reproducible in 3.0-dev
(Nightly version MuseScoreNightly-2018-08-21-0847-master-eba4685.7z)
In reply to Reproducible in 3.0-dev… by GunsAndChips
My mistake- https://musescore.org/en/handbook/developers-handbook/getting-started/h… says to always report as the earliest version the bug comes up in