Friendly greetings !
in file src/bin/scripts/print.c line 421 :
need_recordsep = false;
then set to true line 424.
Now i'm pretty sure it's a meaningless "bug" without any consequence (the commit that introduced it is 15 years old).
There is a lot of (apparently) dead assignment here and there but some assigment could be used for debugging purpose so ... why not. But this one ?