(F) The count in the (un)pack template may be replaced by [TEMPLATE] only if TEMPLATE always matches the same amount of packed bytes that can be determined from the template alone. This is not possible if it contains an of the codes @, /, U, u, w or a *-length. Redesign the template.
(F) The count in the (un)pack template may be replaced by
[TEMPLATE]only ifTEMPLATEalways matches the same amount of packed bytes that can be determined
from the template alone. This is not possible if it contains an of the
codes @, /, U, u, w or a *-length. Redesign the template.