Details
Description
When Pattern.compile("\\p{InBadBlockName}") encounters the error due to wrong Unicode block name, it issues the message of the form:
"""
Unknown character property name {In/IsInBadBlockName} near index NN
"""
so the prefix "In" of the block name is repeated twice.
"""
Unknown character property name {In/IsInBadBlockName} near index NN
"""
so the prefix "In" of the block name is repeated twice.