Adds buttons to copy stackoverflow's codeblock content.
目前為 2022-04-28 提交的版本，檢視 最新版本。
這裡只顯示彼此間有代碼差異的版本。 顯示所有版本。
Clicking on a code block to copy has been removed, you need to click on a button instead. This was quite annoying as you couldn't easily copy only a part of the code.
