When editing a post, clicking “auto-close” to bring up the option, is missing the [en.composer.auto_close.all.units] translation.
AHA, this is a new regression in our client translation system, for some reason if there is an empty string as the actual translation it shows up as missing.
I believe @eviltrout recently refactored this area, will try to find the culprit.
This should fix it:
Seems good, nice job!