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MODULE m
IMPLICIT NONE
TYPE :: t
CHARACTER :: c
CONTAINS
PROCEDURE :: write_formatted
GENERIC :: WRITE(FORMATTED) => write_formatted
END TYPE t
CONTAINS
SUBROUTINE write_formatted(dtv, unit, iotype, v_list, iostat, iomsg)
CLASS(t), INTENT(IN) :: dtv
INTEGER, INTENT(IN) :: unit
CHARACTER(*), INTENT(IN) :: iotype
INTEGER, INTENT(IN) :: v_list(:)
INTEGER, INTENT(OUT) :: iostat
CHARACTER(*), INTENT(INOUT) :: iomsg
WRITE (unit, "(A)", IOSTAT=iostat, IOMSG=iomsg) iotype
END SUBROUTINE write_formatted
END MODULE m
PROGRAM p
USE m
IMPLICIT NONE
CHARACTER(25) :: str
TYPE(t) :: x
WRITE (str, "(DT'a''b')") x
if (str.ne."DTa'b") STOP 1
END PROGRAM p
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