Don’t know about 12, but there’s the following setting in 13:
Settings → Editor → Strip trailing spaces on Save
As of IntelliJ 2017.2 it’s under
Settings → Editor → General → Strip trailing spaces on Save
Don’t know about 12, but there’s the following setting in 13:
Settings → Editor → Strip trailing spaces on Save
As of IntelliJ 2017.2 it’s under
Settings → Editor → General → Strip trailing spaces on Save