Describes the cause and action for error messages.
Error Message(English)：
not tracking changes
Revise.jl/Revise.jl at master ・ timholy/Revise.jl ・ GitHub
https://github.com/timholy/Revise.jl/blob/master/src/Revise.jl
Git is not ignoring file permission changes - Stack Overflow
https://stackoverflow.com/questions/39038062/git-is-not-ignoring-file-permission-changes
Using Git and GitHub for collaboration ? Introduction to Cloud ...
https://cloudmesh.github.io/introduction_to_cloud_computing/class/lesson/git.html
Obtaining the Source ? Updating the Online SuperBASIC Manual 0.1 ...
http://updating-superbasic-manual.readthedocs.io/en/latest/p2_download.html
Getting started with Git - Dave Tang's blog
https://davetang.org/muse/2013/09/04/getting-started-with-git/
A Friendly Intro to Version Control - Grand Circus - Tech Training
https://www.grandcircus.co/blog/a-friendly-intro-to-version-control/
Embedded Systems: Lecture 10: Introduction to Git & GitHub (Part 1)
https://www.slideshare.net/a_elarabawy/cu-cmp445-lec10introductiontogit1-48396934
The History of Version Control ? LayerVault Blog
http://layervault.tumblr.com/post/102541175774/the-history-of-version-control
IOT-DSA/dslink-java-alarm: about interesting events so they may be ...
https://developer.cisco.com/codeexchange/github/repo/IOT-DSA/dslink-java-alarm/