UnQuote for Gmail 作者： Vikas Gautam

UnQuote for Gmail is a free chrome extension that removes quoted text of previous mails from the current reply. Here is how it works :-
- Download the extension.
- Click on extension popup and enable it.
- Reload the gmail window, if opened already.
- Now open any conversation and click "Reply".
- Write your reply and click Send.
- It also take care of signatures and keep them intact.

Youtube video -
https://www.youtube.com/watch?v=we1p8mUlb-0

Report any issue here
https://github.com/Vikasg7/UnQuote-for-Gmail/issues

Enjoy!