Off-by-one NeuroML buggy one cell

<?xml version="1.0" encoding="UTF-8"?>
<neuroml xmlns="http://morphml.org/neuroml/schema"
    xmlns:mml="http://morphml.org/morphml/schema"
    xmlns:meta="http://morphml.org/metadata/schema"
    xmlns:bio="http://morphml.org/biophysics/schema"
    xmlns:cml="http://morphml.org/channelml/schema"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://morphml.org/neuroml/schema http://www.neuroml.org/NeuroMLValidator/NeuroMLFiles/Schemata/v1.8.1/Level3/NeuroML_Level3_v1.8.1.xsd"
    name = "NeuroML Level 1 file exported from NEURON"
    lengthUnits="micron">

<meta:notes>NeuroML Level 1 file generated from ModelView by: NEURON -- VERSION 7.5 master (6b4c19f) 2017-09-25
Authors: Michael Hines, Sushil Kambampati and Padraig Gleeson,
Yale University and UCL</meta:notes>

<cells>
  <cell name="GC_0">
    <meta:notes>Cell: GC_0 exported from NEURON ModelView</meta:notes>
    <segments  xmlns="http://morphml.org/morphml/schema"> <!-- Changing the namespace from neuroml to morphml-->
<!-- Section: GC[0].somagc which has 3 3D points, so 2 segment(s)-->
      <segment id="0" name = "Seg0_somagc" cable = "0">
        <proximal x="0" y="0" z="0" diameter="8"/>
        <distal x="4" y="0" z="0" diameter="8"/>
      </segment>
      <segment id="2" name = "Seg1_somagc" parent="0" cable = "0">
        <distal x="8" y="0" z="0" diameter="8"/>
      </segment>
<!-- Section: GC[0].priden which has 3 3D points, so 2 segment(s)-->
      <segment id="7" name = "Seg0_priden" parent="2" cable = "3">  <!-- Parent section: GC[0].somagc -->
        <proximal x="8" y="0" z="0" diameter="0.5"/>
        <distal x="83" y="0" z="0" diameter="0.5"/>
      </segment>
      <segment id="8" name = "Seg1_priden" parent="7" cable = "3">
        <distal x="158" y="0" z="0" diameter="0.5"/>
      </segment>
<!-- Section: GC[0].priden2[0] which has 3 3D points, so 2 segment(s)-->
      <segment id="9" name = "Seg0_priden2_0" parent="7" cable = "4">  <!-- Connected at 0.8 on parent section: GC[0].priden  -->
        <proximal x="128" y="0" z="0" diameter="0.4"/>
        <distal x="128" y="50" z="0" diameter="0.4"/>
      </segment>
      <segment id="10" name = "Seg1_priden2_0" parent="9" cable = "4">
        <distal x="128" y="100" z="0" diameter="0.4"/>
      </segment>
<!-- Section: GC[0].dend[1] which has 3 3D points, so 2 segment(s)-->
      <segment id="5" name = "Seg0_dend_1" parent="8" cable = "2">  <!-- Connected at 0.5 on parent section: GC[0].priden2[0]  -->
        <proximal x="128" y="50" z="0" diameter="0.2"/>
        <distal x="127" y="50" z="0" diameter="0.2"/>
      </segment>
      <segment id="6" name = "Seg1_dend_1" parent="5" cable = "2">
        <distal x="126" y="50" z="0" diameter="0.2"/>
      </segment>
<!-- Section: GC[0].dend[0] which has 3 3D points, so 2 segment(s)-->
      <segment id="3" name = "Seg0_dend_0" parent="6" cable = "1">  <!-- Parent section: GC[0].dend[1] -->
        <proximal x="126" y="50" z="0" diameter="1"/>
        <distal x="125.5" y="50" z="0" diameter="1"/>
      </segment>
      <segment id="4" name = "Seg1_dend_0" parent="3" cable = "1">
        <distal x="125" y="50" z="0" diameter="1"/>
      </segment>
    </segments>
    <cables  xmlns="http://morphml.org/morphml/schema"> <!-- Changing namespace from neuroml to morphml-->
      <cable id = "0" name = "somagc" fract_along_parent = "0"/>
      <cable id = "3" name = "priden">
        <meta:properties>
          <meta:property>
            <meta:tag>numberInternalDivisions</meta:tag> <!-- Discetization of model at time of export. Can be overridden by importing application-->
            <meta:value>10</meta:value>
          </meta:property>
        </meta:properties>
      </cable>
      <cable id = "4" name = "priden2_0" fract_along_parent = "0.8">
        <meta:properties>
          <meta:property>
            <meta:tag>numberInternalDivisions</meta:tag> <!-- Discetization of model at time of export. Can be overridden by importing application-->
            <meta:value>10</meta:value>
          </meta:property>
        </meta:properties>
      </cable>
      <cable id = "2" name = "dend_1" fract_along_parent = "0.5"/>
      <cable id = "1" name = "dend_0"/>
      <cablegroup name="all"> <!-- Replacing subset name ModelViewParmSubset_0 with all, as it contains all sections -->
        <cable id = "0"/>
        <cable id = "3"/>
        <cable id = "4"/>
        <cable id = "2"/>
        <cable id = "1"/>
      </cablegroup>
      <cablegroup name="ModelViewParmSubset_1">
        <cable id = "0"/>
      </cablegroup>
      <cablegroup name="ModelViewParmSubset_2">
        <cable id = "2"/>
        <cable id = "1"/>
      </cablegroup>
      <cablegroup name="ModelViewParmSubset_3">
        <cable id = "0"/>
        <cable id = "3"/>
        <cable id = "4"/>
      </cablegroup>
      <cablegroup name="ModelViewParmSubset_4">
        <cable id = "3"/>
        <cable id = "4"/>
        <cable id = "2"/>
        <cable id = "1"/>
      </cablegroup>
      <cablegroup name="OneSecGrp_SectionRef_1"> <!-- Creating a group containing a single section: GC[0].somagc... -->
        <cable id = "0"/>
      </cablegroup>
    </cables>
  </cell>
</cells>
</neuroml>