I am trying to convert XDS file into something that CCP4 would recognize while keeping reflections unmerged. Hard to believe but it's not working: the keyword MERGE=FALSE is not recognized and the default TRUE is being used no matter what I do:

 ***** XDSCONV ***** (VERSION March 1, 2015  BUILT=20150215)  29-Apr-2015
 Author: Wolfgang Kabsch
 Copy licensed until 31-Mar-2016 to
  academic users for non-commercial applications  
 No redistribution.

 ========== CONTROL CARDS ==========

 INPUT_FILE=temp.ahkl                                                         
 OUTPUT_FILE=temp.hkl CCP4
 FRIEDEL'S_LAW=FALSE
 MERGE=FALSE                               !  <-- Note this input                                                                   
                                                                              
 SPACE_GROUP_NUMBER=    4
 UNIT_CELL_CONSTANTS=    51.44    34.83   128.38  90.000  92.713  90.000
 FRIEDEL'S_LAW=FALSE
 MERGE=TRUE                              !  <-- Note the default used instead
 NUMBER OF REFLECTION RECORDS ON INPUT FILE      574453
 NUMBER OF IGNORED REFLECTIONS (I< -3.0*SIGMA)        0
 NUMBER OF REFLECTIONS ACCEPTED FROM INPUT FILE  129894

 NUMBER OF UNIQUE REFLECTIONS ASSIGNED TO TEST SET        0
 NUMBER OF UNIQUE TEST REFLECTIONS INHERITED              0
 NUMBER OF UNIQUE TEST REFLECTIONS NEWLY GENERATED        0

 NUMBER OF REFLECTION RECORDS ON OUTPUT FILE      69305
 NUMBER OF RECORDS ASSIGNED TO WORKING SET        69305
 NUMBER OF RECORDS ASSIGNED TO TEST SET               0
*************************************************************************************************