Added
=========
Added start-at in addition to start-after that preserves the string that is looked for.
This often removes the need for adding markers because you can define
the starting point using a heading that becomes part of the fragment.
(From OE-Core rev: ce2aa0bf0177533c4e168a942b7d0560e137f4c1)
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
