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Keyword substitution: kv
Default branch: MAIN
Current tag: version_2_3_X
Add response code of 'B' to lonnet::allowed() to indicate access to a file is currently subject to a block, because the file owner is part of a course with active communications blocking, and file viewer does not have 'evb' privilege in the course to nullify the block. Used to block access to portfolio files. Response of 'B' triggers blockedaccess.pm which displays information about blocking conditions.