I have the filter_autop filter running after codefilter, which AFAICT is the correct way to do it.
But a blank line in the code gets turned into a P tag.
Fixed
2.0
Code
I've managed to get this working, so it was a configuration / documentation problem.
Issue #3379531: Added test for handling of blank lines in code.
Automatically closed - issue fixed for 2 weeks with no activity.