progagated extended PF- & MXQ- error message normalization from the MonetDB_4-12 branch to the development trunk
progagated extended PF- & MXQ- error message normalization
from the MonetDB_4-12 branch to the development trunk

This might also be relevant when deciding about the "look & feel"
of PF- & MXQ- error message after the recent and upcoming MapiClient
changes/fixes.
See Fabian's upcoming checkin(s) and/or posting(s) to the MonetDB-developers
list.

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