DUE TO SPAM, SIGN-UP IS DISABLED. Goto Selfserve wiki signup and request an account.
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REVISIT: Use of multiple forks would require multiple accounts. Unlike Bitbucket, github GitHub will not let you have multiple forks with different names under the same account. (Note from Nathan: For this reason, each functionally unrelated change should be done in its own branch, with each PR created from the branch. I recommend to always develop on a branch, never on master.)
REVISIT: By emailing a patch: Describe how to make the relevant patch(es) (git format-patch) and send them to dev@nuttx.apache.org.
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