I tried the second one again, this time with no error message, but it still doesn’t use the new language file. Is there something more I need to do? There is a folder in my child theme called “language”, and it contains the en_US.mo and en_US.po files. (I know those files are good because those are the ones I was originally putting into the actual theme language folder after every update. But I’m trying to put them in the child theme so I don’t have to keep doing that.)

Confused!