If your contribution is less than 15 lines [see: Copyright Assignment] you can send a patch and your contribution will be reviewed and maybe merged quickly.
If you want send a patch you will need assign copyright to FSF, for this then please email the following information to <assign@gnu.org>, and they will send you the assignment form for your past and future changes.
Please use your full legal name (in ASCII characters) as the Subject line of the message.
REQUEST: SEND FORM FOR PAST AND FUTURE CHANGES
[What is the name of the program or package you're contributing to?]
GNU Emacs
[Did you copy any files or text written by someone else in these changes?
Even if that material is free software, we need to know about it.]
I Copied a few snippets from the same files I edited. Their author,
Elias G. Perez, have already assigned copyright to the Free Software
Foundation.
[Do you have an employer who might have a basis to claim to own
your changes? Do you attend a school which might make such a claim?]
[For the copyright registration, what country are you a citizen of?]
[What year were you born?]
[Please write your email address here.]
[Please write your postal address here.]
[Which files have you changed so far, and which new files have you written
so far?]