On vim, an empty ex command (
:) leads to a noop upon pressing
On Spacemacs (or Evil in general maybe), it re-runs the last command.
Is there a variable I can tweak in my configuration to make Spacemacs behave like Vim in that regard?
No, there isn't. This behavior is currently hardcoded in Evil. If it causes great discomfort to you, feel free to hand in an enhancement request on the bug tracker.