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  <section inlist="toc" labels="LABEL:intro" xml:id="S1">
    <tags>
      <tag>1</tag>
      <tag role="refnum">1</tag>
      <tag role="typerefnum">§1</tag>
    </tags>
    <title><tag close=" ">1</tag>UPPERCASE</title>
    <subsection inlist="toc" xml:id="S1.SS1">
      <tags>
        <tag>1.1</tag>
        <tag role="refnum">1.1</tag>
        <tag role="typerefnum">§1.1</tag>
      </tags>
      <title><tag close=" ">1.1</tag>Text and math interleaved</title>
      <para xml:id="S1.SS1.p1">
        <p>ABCÆ <Math mode="inline" tex="a=b" text="a = b" xml:id="S1.SS1.p1.m1">
            <XMath>
              <XMApp>
                <XMTok meaning="equals" role="RELOP">=</XMTok>
                <XMTok font="italic" role="UNKNOWN">a</XMTok>
                <XMTok font="italic" role="UNKNOWN">b</XMTok>
              </XMApp>
            </XMath>
          </Math> AND <Math mode="inline" tex="\alpha\neq a" text="alpha not-equals a" xml:id="S1.SS1.p1.m2">
            <XMath>
              <XMApp>
                <XMTok meaning="not-equals" name="neq" role="RELOP">≠</XMTok>
                <XMTok font="italic" name="alpha" role="UNKNOWN">α</XMTok>
                <XMTok font="italic" role="UNKNOWN">a</XMTok>
              </XMApp>
            </XMath>
          </Math>
OR EVEN <Math mode="inline" tex="x=y" text="x = y" xml:id="S1.SS1.p1.m3">
            <XMath>
              <XMApp>
                <XMTok meaning="equals" role="RELOP">=</XMTok>
                <XMTok font="italic" role="UNKNOWN">x</XMTok>
                <XMTok font="italic" role="UNKNOWN">y</XMTok>
              </XMApp>
            </XMath>
          </Math> AND <Math mode="inline" tex="x=y" text="x = y" xml:id="S1.SS1.p1.m4">
            <XMath>
              <XMApp>
                <XMTok meaning="equals" role="RELOP">=</XMTok>
                <XMTok font="italic" role="UNKNOWN">x</XMTok>
                <XMTok font="italic" role="UNKNOWN">y</XMTok>
              </XMApp>
            </XMath>
          </Math></p>
      </para>
    </subsection>
    <subsection inlist="toc" xml:id="S1.SS2">
      <tags>
        <tag>1.2</tag>
        <tag role="refnum">1.2</tag>
        <tag role="typerefnum">§1.2</tag>
      </tags>
      <title><tag close=" ">1.2</tag>Refs and cites</title>
      <para xml:id="S1.SS2.p1">
        <p>TEXT IN SECTION <ref labelref="LABEL:intro"/>, ABOUT <cite class="ltx_citemacro_cite">[<bibref bibrefs="bbb" separator="," yyseparator=","/>, PP 2–4]</cite></p>
      </para>
      <para xml:id="S1.SS2.p2">
        <p>TEXT <cite class="ltx_citemacro_cite">[<bibref bibrefs="bbb" separator="," yyseparator=","/>]</cite> AND <cite class="ltx_citemacro_cite">[<bibref bibrefs="ccc" separator="," yyseparator=","/>]</cite></p>
      </para>
      <para xml:id="S1.SS2.p3">
        <p>TEXT <cite class="ltx_citemacro_cite">[<bibref bibrefs="bbb" separator="," yyseparator=","/>]</cite> AND <cite class="ltx_citemacro_cite">[<bibref bibrefs="ccc" separator="," yyseparator=","/>]</cite></p>
      </para>
    </subsection>
    <subsection inlist="toc" xml:id="S1.SS3">
      <tags>
        <tag>1.3</tag>
        <tag role="refnum">1.3</tag>
        <tag role="typerefnum">§1.3</tag>
      </tags>
      <title><tag close=" ">1.3</tag>Nested with NoCaseChange</title>
      <para xml:id="S1.SS3.p1">
        <p>TEXT More Text YET MORE TEXT</p>
      </para>
    </subsection>
    <subsection inlist="toc" xml:id="S1.SS4">
      <tags>
        <tag>1.4</tag>
        <tag role="refnum">1.4</tag>
        <tag role="typerefnum">§1.4</tag>
      </tags>
      <title><tag close=" ">1.4</tag>NoCaseChange and tabular</title>
      <para xml:id="S1.SS4.p1">
        <p>TEXT <tabular vattach="middle">
            <tbody>
              <tr>
                <td align="left">TABLE</td>
                <td align="left">STUFF</td>
              </tr>
              <tr>
                <td align="left">GOES</td>
                <td align="left">HERE</td>
              </tr>
            </tbody>
          </tabular>
MORE TEXT</p>
      </para>
    </subsection>
    <subsection inlist="toc" xml:id="S1.SS5">
      <tags>
        <tag>1.5</tag>
        <tag role="refnum">1.5</tag>
        <tag role="typerefnum">§1.5</tag>
      </tags>
      <title><tag close=" ">1.5</tag>Nested brace groups</title>
      <para xml:id="S1.SS5.p1">
        <p>A B C <Math mode="inline" tex="D" text="D" xml:id="S1.SS5.p1.m1">
            <XMath>
              <XMTok font="italic" role="UNKNOWN">D</XMTok>
            </XMath>
          </Math> <Math mode="inline" tex="e" text="e" xml:id="S1.SS5.p1.m2">
            <XMath>
              <XMTok font="italic" role="UNKNOWN">e</XMTok>
            </XMath>
          </Math></p>
      </para>
    </subsection>
    <subsection inlist="toc" xml:id="S1.SS6">
      <tags>
        <tag>1.6</tag>
        <tag role="refnum">1.6</tag>
        <tag role="typerefnum">§1.6</tag>
      </tags>
      <title><tag close=" ">1.6</tag>Environment protection</title>
      <para xml:id="S1.SS6.p1">
        <p>…</p>
        <p align="center">…INNER…</p>
        <p>…</p>
      </para>
    </subsection>
  </section>
  <section inlist="toc" xml:id="S2">
    <tags>
      <tag>2</tag>
      <tag role="refnum">2</tag>
      <tag role="typerefnum">§2</tag>
    </tags>
    <title><tag close=" ">2</tag>lowercase</title>
    <para xml:id="S2.p1">
      <p>this was written upper, should appear low</p>
    </para>
  </section>
  <bibliography xml:id="bib">
    <title>References</title>
    <biblist>
      <bibitem key="bbb" xml:id="bib.bib1">
        <tags>
          <tag>[1]</tag>
          <tag role="refnum">1</tag>
        </tags>
        <bibblock> Something numeric
</bibblock>
      </bibitem>
      <bibitem key="ccc" xml:id="bib.bibx1">
        <tags>
          <tag>[David Carlisle 1997]</tag>
          <tag role="refnum">David Carlisle 1997</tag>
        </tags>
        <bibblock> Something textual
</bibblock>
      </bibitem>
    </biblist>
  </bibliography>
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