Describes the cause and action for error messages.
Error Message(English)：
what is a pull request
GitHub: What is a pull request? - Quora
https://www.quora.com/GitHub-What-is-a-pull-request
In GitHub, why is the 'pull request,' a request to merge code into ...
https://www.quora.com/In-GitHub-why-is-the-pull-request-a-request-to-merge-code-into-another-branch-・・・
Is 'Pull Request' a GitHub or Git (version control) term?
https://www.quora.com/Is-Pull-Request-a-GitHub-or-Git-version-control-term
In GitHub, what does it mean to merge a pull request?
https://www.quora.com/In-GitHub-what-does-it-mean-to-merge-a-pull-request
My first Pull Request ・ CPAN-PRC/resources Wiki ・ GitHub
https://github.com/CPAN-PRC/resources/wiki/My-first-Pull-Request
How to do simple pull requests in GitHub ・ GitHub
https://gist.github.com/ross-spencer/9c5c1f59212638c7c891d393087db6d1
Exercise Making a Pull Request ・ hcs/bootcamp-git Wiki ・ GitHub
https://github.com/hcs/bootcamp-git/wiki/Exercise-Making-a-Pull-Request
terminology - What exactly is a pull request? - Open Source Stack ...
https://opensource.stackexchange.com/questions/352/what-exactly-is-a-pull-request
What is a pull request? - OSS Watch
http://oss-watch.ac.uk/resources/pullrequest