Text on multiple lines is incorrectly spoken by screenreader

Steps to reproduce:

-Create an edit field with multiple lines

-Insert text in this widget, and make some lines blank

Expected behavior:

-When you move to an empty line, screenreader should announce "blank"

Actual behavior:

-When you move to an empty line, screenreader repeat last line of text

Affected components:

Reproduced with QPlainTextEdit and QLineEdit