error-prone. It also allows sending patches whose author is someone
other than the email sender.
-Once the cumulative amount of your submissions exceeds about 10 lines
-of non-trivial changes, we will need you to assign to the FSF the
-copyright for your contributions. (To see how many lines were
+Once the cumulative amount of your submissions exceeds a dozen or so
+lines of non-trivial changes, we will need you to assign to the FSF
+the copyright for your contributions. (To see how many lines were
non-trivially changed, count only added and modified lines in the
patched code. Consider an added or changed line non-trivial if it
includes at least one identifier, string, or substantial comment.)