mode in \funcparam{*oldmode}.
If \funcparam{newmode} is TRUE, then the database is put into
-non-blocking mode, which may result in "database busy" error codes from
+non-blocking mode, which may result in ``database busy'' error codes from
the get, put, and iterate routines.
If \funcparam{newmode} is FALSE, then the database is put into blocking mode,
Iterates over the database, fetching every entry in an unspecified order
and calling \funcparam{(*func)}(\funcparam{iterate_arg},
-{\sl principal}) where {\sl principal} points to a record from the database.
+{\sl principal\/}) where {\sl principal\/} points to a record from the
+database.
If \funcparam{(*func)}() ever returns an error code, the iteration is
aborted and that error code is returned by this function.