id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
12100	When erase the header of a line with format, cannot input text without format again.	LuciferWings		"1. Click 'bold'.... and input a new line;
2. Erase the line => (The bold button in the toolbar not toggled)
3. Input chars again => The chars are bold.

I cannot input a text which is not bold.
The button status in the toolbar is not aligned with actual status.

"	Bug	closed	Normal		Core : Styles	3.0	duplicate	Blink