extend NXdetector/acquisition_mode

# Conflicts:
#	contributed_definitions/nyaml/NXdetector.yaml

base_classes/NXdetector.nxdl.xml

@@ -1,10 +1,10 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version='1.0' encoding='UTF-8'?>
 <?xml-stylesheet type="text/xsl" href="nxdlformat.xsl"?>
 <!--
 # NeXus - Neutron and X-ray Common Data Format
-# 
-# Copyright (C) 2014-2022 NeXus International Advisory Committee (NIAC)
-# 
+#
+# Copyright (C) 2014-2024 NeXus International Advisory Committee (NIAC)
+#
 # This library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Lesser General Public
 # License as published by the Free Software Foundation; either
@@ -587,6 +587,7 @@
             <item value="event"/>
             <item value="histogrammed"/>
             <item value="decimated"/>
+            <item value="pulse_counting"/>
         </enumeration>
     </field>
     <field name="angular_calibration_applied" type="NX_BOOLEAN">
@@ -689,7 +690,7 @@
     </field>
     <field name="image_key" type="NX_INT">
         <doc>
-             This field allow to distinguish different types of exposure to the same detector &quot;data&quot; field.
+             This field allow to distinguish different types of exposure to the same detector "data" field.
              Some techniques require frequent (re-)calibration inbetween measuremnts and this way of
              recording the different measurements preserves the chronological order with is important for
              correct processing.
@@ -977,7 +978,7 @@
              to apply to the component starting from 0, 0, 0. The order of these operations
              is critical and forms what NeXus calls a dependency chain. The depends_on
              field defines the path to the top most operation of the dependency chain or the
-             string &quot;.&quot; if located in the origin. Usually these operations are stored in a
+             string "." if located in the origin. Usually these operations are stored in a
              NXtransformations group. But NeXus allows them to be stored anywhere.
 
              The reference point of the detector is the center of the first pixel.