Tests/varLib/data/test_results/InterpolateLayout.ttx

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    <Version value="0x00010000"/>
    <ScriptList>
      <!-- ScriptCount=2 -->
      <ScriptRecord index="0">
        <ScriptTag value="DFLT"/>
        <Script>
          <DefaultLangSys>
            <ReqFeatureIndex value="65535"/>
            <!-- FeatureCount=6 -->
            <FeatureIndex index="0" value="0"/>
            <FeatureIndex index="1" value="1"/>
            <FeatureIndex index="2" value="2"/>
            <FeatureIndex index="3" value="3"/>
            <FeatureIndex index="4" value="4"/>
            <FeatureIndex index="5" value="5"/>
          </DefaultLangSys>
          <!-- LangSysCount=0 -->
        </Script>
      </ScriptRecord>
      <ScriptRecord index="1">
        <ScriptTag value="latn"/>
        <Script>
          <DefaultLangSys>
            <ReqFeatureIndex value="65535"/>
            <!-- FeatureCount=6 -->
            <FeatureIndex index="0" value="0"/>
            <FeatureIndex index="1" value="1"/>
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            <FeatureIndex index="4" value="4"/>
            <FeatureIndex index="5" value="5"/>
          </DefaultLangSys>
          <!-- LangSysCount=0 -->
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      </ScriptRecord>
    </ScriptList>
    <FeatureList>
      <!-- FeatureCount=6 -->
      <FeatureRecord index="0">
        <FeatureTag value="c2sc"/>
        <Feature>
          <!-- LookupCount=1 -->
          <LookupListIndex index="0" value="0"/>
        </Feature>
      </FeatureRecord>
      <FeatureRecord index="1">
        <FeatureTag value="calt"/>
        <Feature>
          <!-- LookupCount=1 -->
          <LookupListIndex index="0" value="5"/>
        </Feature>
      </FeatureRecord>
      <FeatureRecord index="2">
        <FeatureTag value="ccmp"/>
        <Feature>
          <!-- LookupCount=1 -->
          <LookupListIndex index="0" value="2"/>
        </Feature>
      </FeatureRecord>
      <FeatureRecord index="3">
        <FeatureTag value="liga"/>
        <Feature>
          <!-- LookupCount=1 -->
          <LookupListIndex index="0" value="4"/>
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      </FeatureRecord>
      <FeatureRecord index="4">
        <FeatureTag value="salt"/>
        <Feature>
          <!-- LookupCount=1 -->
          <LookupListIndex index="0" value="3"/>
        </Feature>
      </FeatureRecord>
      <FeatureRecord index="5">
        <FeatureTag value="ss01"/>
        <Feature>
          <FeatureParamsStylisticSet>
            <Version value="0"/>
            <UINameID value="256"/>  <!-- Alternate a -->
          </FeatureParamsStylisticSet>
          <!-- LookupCount=1 -->
          <LookupListIndex index="0" value="1"/>
        </Feature>
      </FeatureRecord>
    </FeatureList>
    <LookupList>
      <!-- LookupCount=6 -->
      <Lookup index="0">
        <LookupType value="1"/>
        <LookupFlag value="0"/>
        <!-- SubTableCount=1 -->
        <SingleSubst index="0" Format="1">
          <Substitution in="A" out="A.sc"/>
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      </Lookup>
      <Lookup index="1">
        <LookupType value="1"/>
        <LookupFlag value="0"/>
        <!-- SubTableCount=1 -->
        <SingleSubst index="0" Format="1">
          <Substitution in="a" out="a.alt"/>
        </SingleSubst>
      </Lookup>
      <Lookup index="2">
        <LookupType value="2"/>
        <LookupFlag value="0"/>
        <!-- SubTableCount=1 -->
        <MultipleSubst index="0" Format="1">
          <Substitution in="ampersand" out="a,n,d"/>
        </MultipleSubst>
      </Lookup>
      <Lookup index="3">
        <LookupType value="3"/>
        <LookupFlag value="0"/>
        <!-- SubTableCount=1 -->
        <AlternateSubst index="0" Format="1">
          <AlternateSet glyph="a">
            <Alternate glyph="a.alt"/>
            <Alternate glyph="A.sc"/>
          </AlternateSet>
        </AlternateSubst>
      </Lookup>
      <Lookup index="4">
        <LookupType value="4"/>
        <LookupFlag value="0"/>
        <!-- SubTableCount=1 -->
        <LigatureSubst index="0" Format="1">
          <LigatureSet glyph="f">
            <Ligature components="t" glyph="f_t"/>
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        </LigatureSubst>
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      <Lookup index="5">
        <LookupType value="6"/>
        <LookupFlag value="0"/>
        <!-- SubTableCount=1 -->
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            <Glyph value="a"/>
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          <!-- LookAheadGlyphCount=1 -->
          <LookAheadCoverage index="0" Format="1">
            <Glyph value="t"/>
          </LookAheadCoverage>
          <!-- SubstCount=1 -->
          <SubstLookupRecord index="0">
            <SequenceIndex value="0"/>
            <LookupListIndex value="1"/>
          </SubstLookupRecord>
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    </LookupList>
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