that it returns the correct "key" for the first root. This was broken
by check-in [858b76a00e8ff552] and in version 3.45.0. Problem reported
by [forum:/info/2026-10-14T08:42:26Z|Forum post 2026-10-14T08:42:26Z].
FossilOrigin-Name: eaf646e376a5a3e10a874ed1c07ca1382f0ccb7cdf1cc963697638a54b98c779
json_error_position(). Use "NOT json_error_position(X)" as a substitute
for "json_valid5(X)".
FossilOrigin-Name: 34c4e900a9cc51630eeaf01deef74bf5b18d66e0ab1dc61a2023ac8f837a5197