[Solution] Whitespace trailing remove on Atom

gistfile1.txt

For Atom editor, the whitespace trailing removal is activated as default, which is annoying because it overrides your files without telling you then cause massive git diff in your project.

To disable this:
1. Go to Edit >> Preferences
2. Select Packages, search for whitespace, then click edit
3. untick Remove Trailing Whitespace

You are good to go.