id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
451	does not prompt to save document if diff is whitespace only	daxim		"1. Create a new document.
2. Type some spaces, tabs, newlines.
3. Type some alphabetic characters and delete them again.
4. Close the document.

What should happen:
Prompts to save changes.

What actually happens:
Closes document without saving changes."	defect	closed	major		editor	trunk	wontfix