fonttools/Tests/feaLib/data/ZeroValue_PairPos_vertical.ttx

<?xml version="1.0" encoding="UTF-8"?>
<ttFont sfntVersion="true" ttLibVersion="3.0">

  <GPOS>
    <Version value="0x00010000"/>
    <ScriptList>
      <!-- ScriptCount=1 -->
      <ScriptRecord index="0">
        <ScriptTag value="DFLT"/>
        <Script>
          <DefaultLangSys>
            <ReqFeatureIndex value="65535"/>
            <!-- FeatureCount=1 -->
            <FeatureIndex index="0" value="0"/>
          </DefaultLangSys>
          <!-- LangSysCount=0 -->
        </Script>
      </ScriptRecord>
    </ScriptList>
    <FeatureList>
      <!-- FeatureCount=1 -->
      <FeatureRecord index="0">
        <FeatureTag value="vkrn"/>
        <Feature>
          <!-- LookupCount=1 -->
          <LookupListIndex index="0" value="0"/>
        </Feature>
      </FeatureRecord>
    </FeatureList>
    <LookupList>
      <!-- LookupCount=1 -->
      <Lookup index="0">
        <LookupType value="2"/>
        <LookupFlag value="0"/>
        <!-- SubTableCount=1 -->
        <PairPos index="0" Format="1">
          <Coverage>
            <Glyph value="A"/>
            <Glyph value="B"/>
          </Coverage>
          <ValueFormat1 value="8"/>
          <ValueFormat2 value="8"/>
          <!-- PairSetCount=2 -->
          <PairSet index="0">
            <!-- PairValueCount=2 -->
            <PairValueRecord index="0">
              <SecondGlyph value="A"/>
              <Value1 YAdvance="0"/>
              <Value2 YAdvance="0"/>
            </PairValueRecord>
            <PairValueRecord index="1">
              <SecondGlyph value="B"/>
              <Value1 YAdvance="0"/>
              <Value2 YAdvance="0"/>
            </PairValueRecord>
          </PairSet>
          <PairSet index="1">
            <!-- PairValueCount=2 -->
            <PairValueRecord index="0">
              <SecondGlyph value="A"/>
              <Value1 YAdvance="0"/>
              <Value2 YAdvance="0"/>
            </PairValueRecord>
            <PairValueRecord index="1">
              <SecondGlyph value="B"/>
              <Value1 YAdvance="0"/>
              <Value2 YAdvance="0"/>
            </PairValueRecord>
          </PairSet>
        </PairPos>
      </Lookup>
    </LookupList>
  </GPOS>

</ttFont>