<?xml version="1.0" encoding="UTF-8"?>
<?latexml class="article"?>
<?latexml RelaxNGSchema="LaTeXML"?>
<document xmlns="http://dlmf.nist.gov/LaTeXML">
  <resource src="LaTeXML.css" type="text/css"/>
  <resource src="ltx-article.css" type="text/css"/>
  <para xml:id="p1">
    <tabular class="ltx_guessed_headers" vattach="middle">
      <thead>
        <tr>
          <td align="left" thead="column row">?</td>
          <td align="left" border="r" thead="column"><Math mode="inline" tex="\mathaccent 23{u}_{s}" text="(˚@(u)) _ s" xml:id="p1.m1">
              <XMath>
                <XMApp>
                  <XMTok role="SUBSCRIPTOP" scriptpos="post1"/>
                  <XMApp>
                    <XMTok role="OVERACCENT">˚</XMTok>
                    <XMTok font="italic" role="UNKNOWN">u</XMTok>
                  </XMApp>
                  <XMTok font="italic" fontsize="70%" role="UNKNOWN">s</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td thead="column"/>
        </tr>
      </thead>
      <tbody>
        <tr>
          <td align="left" thead="row"><Math mode="inline" tex="\acute{a}" text="acute@(a)" xml:id="p1.m2">
              <XMath>
                <XMApp>
                  <XMTok name="acute" role="OVERACCENT">´</XMTok>
                  <XMTok font="italic" role="UNKNOWN">a</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left" border="r"><Math mode="inline" tex="\mathaccent 28691{a}" text="´@(a)" xml:id="p1.m3">
              <XMath>
                <XMApp>
                  <XMTok role="OVERACCENT">´</XMTok>
                  <XMTok font="italic" role="UNKNOWN">a</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left"><Math mode="inline" tex="\acute{abc}" text="acute@(a * b * c)" xml:id="p1.m4">
              <XMath>
                <XMApp>
                  <XMTok name="acute" role="OVERACCENT">´</XMTok>
                  <XMApp>
                    <XMTok meaning="times" role="MULOP">⁢</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                    <XMTok font="italic" role="UNKNOWN">b</XMTok>
                    <XMTok font="italic" role="UNKNOWN">c</XMTok>
                  </XMApp>
                </XMApp>
              </XMath>
            </Math></td>
        </tr>
        <tr>
          <td align="left" thead="row"><Math mode="inline" tex="\bar{a}" text="bar@(a)" xml:id="p1.m5">
              <XMath>
                <XMApp>
                  <XMTok name="bar" role="OVERACCENT" stretchy="false">¯</XMTok>
                  <XMTok font="italic" role="UNKNOWN">a</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left" border="r"><Math mode="inline" tex="\mathaccent 28694{a}" text="¯@(a)" xml:id="p1.m6">
              <XMath>
                <XMApp>
                  <XMTok role="OVERACCENT">¯</XMTok>
                  <XMTok font="italic" role="UNKNOWN">a</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left"><Math mode="inline" tex="\bar{abc}" text="bar@(a * b * c)" xml:id="p1.m7">
              <XMath>
                <XMApp>
                  <XMTok name="bar" role="OVERACCENT" stretchy="false">¯</XMTok>
                  <XMApp>
                    <XMTok meaning="times" role="MULOP">⁢</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                    <XMTok font="italic" role="UNKNOWN">b</XMTok>
                    <XMTok font="italic" role="UNKNOWN">c</XMTok>
                  </XMApp>
                </XMApp>
              </XMath>
            </Math></td>
        </tr>
        <tr>
          <td align="left" thead="row"><Math mode="inline" tex="\breve{a}" text="breve@(a)" xml:id="p1.m8">
              <XMath>
                <XMApp>
                  <XMTok name="breve" role="OVERACCENT">˘</XMTok>
                  <XMTok font="italic" role="UNKNOWN">a</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left" border="r"><Math mode="inline" tex="\mathaccent 28693{a}" text="˘@(a)" xml:id="p1.m9">
              <XMath>
                <XMApp>
                  <XMTok role="OVERACCENT">˘</XMTok>
                  <XMTok font="italic" role="UNKNOWN">a</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left"><Math mode="inline" tex="\breve{abc}" text="breve@(a * b * c)" xml:id="p1.m10">
              <XMath>
                <XMApp>
                  <XMTok name="breve" role="OVERACCENT">˘</XMTok>
                  <XMApp>
                    <XMTok meaning="times" role="MULOP">⁢</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                    <XMTok font="italic" role="UNKNOWN">b</XMTok>
                    <XMTok font="italic" role="UNKNOWN">c</XMTok>
                  </XMApp>
                </XMApp>
              </XMath>
            </Math></td>
        </tr>
        <tr>
          <td align="left" thead="row"><Math mode="inline" tex="\check{a}" text="check@(a)" xml:id="p1.m11">
              <XMath>
                <XMApp>
                  <XMTok name="check" role="OVERACCENT" stretchy="false">ˇ</XMTok>
                  <XMTok font="italic" role="UNKNOWN">a</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left" border="r"><Math mode="inline" tex="\mathaccent 28692{a}" text="ˇ@(a)" xml:id="p1.m12">
              <XMath>
                <XMApp>
                  <XMTok role="OVERACCENT">ˇ</XMTok>
                  <XMTok font="italic" role="UNKNOWN">a</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left"><Math mode="inline" tex="\check{abc}" text="check@(a * b * c)" xml:id="p1.m13">
              <XMath>
                <XMApp>
                  <XMTok name="check" role="OVERACCENT" stretchy="false">ˇ</XMTok>
                  <XMApp>
                    <XMTok meaning="times" role="MULOP">⁢</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                    <XMTok font="italic" role="UNKNOWN">b</XMTok>
                    <XMTok font="italic" role="UNKNOWN">c</XMTok>
                  </XMApp>
                </XMApp>
              </XMath>
            </Math></td>
        </tr>
        <tr>
          <td align="left" thead="row"><Math mode="inline" tex="\ddot{a}" text="ddot@(a)" xml:id="p1.m14">
              <XMath>
                <XMApp>
                  <XMTok name="ddot" role="OVERACCENT">¨</XMTok>
                  <XMTok font="italic" role="UNKNOWN">a</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left" border="r"><Math mode="inline" tex="\mathaccent 28799{a}" text="¨@(a)" xml:id="p1.m15">
              <XMath>
                <XMApp>
                  <XMTok role="OVERACCENT">¨</XMTok>
                  <XMTok font="italic" role="UNKNOWN">a</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left"><Math mode="inline" tex="\ddot{abc}" text="ddot@(a * b * c)" xml:id="p1.m16">
              <XMath>
                <XMApp>
                  <XMTok name="ddot" role="OVERACCENT">¨</XMTok>
                  <XMApp>
                    <XMTok meaning="times" role="MULOP">⁢</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                    <XMTok font="italic" role="UNKNOWN">b</XMTok>
                    <XMTok font="italic" role="UNKNOWN">c</XMTok>
                  </XMApp>
                </XMApp>
              </XMath>
            </Math></td>
        </tr>
        <tr>
          <td align="left" thead="row"><Math mode="inline" tex="\dot{a}" text="dot@(a)" xml:id="p1.m17">
              <XMath>
                <XMApp>
                  <XMTok name="dot" role="OVERACCENT">˙</XMTok>
                  <XMTok font="italic" role="UNKNOWN">a</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left" border="r"><Math mode="inline" tex="\mathaccent 28767{a}" text="˙@(a)" xml:id="p1.m18">
              <XMath>
                <XMApp>
                  <XMTok role="OVERACCENT">˙</XMTok>
                  <XMTok font="italic" role="UNKNOWN">a</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left"><Math mode="inline" tex="\dot{abc}" text="dot@(a * b * c)" xml:id="p1.m19">
              <XMath>
                <XMApp>
                  <XMTok name="dot" role="OVERACCENT">˙</XMTok>
                  <XMApp>
                    <XMTok meaning="times" role="MULOP">⁢</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                    <XMTok font="italic" role="UNKNOWN">b</XMTok>
                    <XMTok font="italic" role="UNKNOWN">c</XMTok>
                  </XMApp>
                </XMApp>
              </XMath>
            </Math></td>
        </tr>
        <tr>
          <td align="left" thead="row"><Math mode="inline" tex="\grave{a}" text="grave@(a)" xml:id="p1.m20">
              <XMath>
                <XMApp>
                  <XMTok name="grave" role="OVERACCENT">`</XMTok>
                  <XMTok font="italic" role="UNKNOWN">a</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left" border="r"><Math mode="inline" tex="\mathaccent 28690{a}" text="`@(a)" xml:id="p1.m21">
              <XMath>
                <XMApp>
                  <XMTok role="OVERACCENT">`</XMTok>
                  <XMTok font="italic" role="UNKNOWN">a</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left"><Math mode="inline" tex="\grave{abc}" text="grave@(a * b * c)" xml:id="p1.m22">
              <XMath>
                <XMApp>
                  <XMTok name="grave" role="OVERACCENT">`</XMTok>
                  <XMApp>
                    <XMTok meaning="times" role="MULOP">⁢</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                    <XMTok font="italic" role="UNKNOWN">b</XMTok>
                    <XMTok font="italic" role="UNKNOWN">c</XMTok>
                  </XMApp>
                </XMApp>
              </XMath>
            </Math></td>
        </tr>
        <tr>
          <td align="left" thead="row"><Math mode="inline" tex="\hat{a}" text="hat@(a)" xml:id="p1.m23">
              <XMath>
                <XMApp>
                  <XMTok name="hat" role="OVERACCENT" stretchy="false">^</XMTok>
                  <XMTok font="italic" role="UNKNOWN">a</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left" border="r"><Math mode="inline" tex="\mathaccent 28766{a}" text="^@(a)" xml:id="p1.m24">
              <XMath>
                <XMApp>
                  <XMTok role="OVERACCENT">^</XMTok>
                  <XMTok font="italic" role="UNKNOWN">a</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left"><Math mode="inline" tex="\hat{abc}" text="hat@(a * b * c)" xml:id="p1.m25">
              <XMath>
                <XMApp>
                  <XMTok name="hat" role="OVERACCENT" stretchy="false">^</XMTok>
                  <XMApp>
                    <XMTok meaning="times" role="MULOP">⁢</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                    <XMTok font="italic" role="UNKNOWN">b</XMTok>
                    <XMTok font="italic" role="UNKNOWN">c</XMTok>
                  </XMApp>
                </XMApp>
              </XMath>
            </Math></td>
        </tr>
        <tr>
          <td align="left" thead="row"><Math mode="inline" tex="\tilde{a}" text="tilde@(a)" xml:id="p1.m26">
              <XMath>
                <XMApp>
                  <XMTok name="tilde" role="OVERACCENT" stretchy="false">~</XMTok>
                  <XMTok font="italic" role="UNKNOWN">a</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left" border="r"><Math mode="inline" tex="\mathaccent 28798{a}" text="~@(a)" xml:id="p1.m27">
              <XMath>
                <XMApp>
                  <XMTok role="OVERACCENT">~</XMTok>
                  <XMTok font="italic" role="UNKNOWN">a</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left"><Math mode="inline" tex="\tilde{abc}" text="tilde@(a * b * c)" xml:id="p1.m28">
              <XMath>
                <XMApp>
                  <XMTok name="tilde" role="OVERACCENT" stretchy="false">~</XMTok>
                  <XMApp>
                    <XMTok meaning="times" role="MULOP">⁢</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                    <XMTok font="italic" role="UNKNOWN">b</XMTok>
                    <XMTok font="italic" role="UNKNOWN">c</XMTok>
                  </XMApp>
                </XMApp>
              </XMath>
            </Math></td>
        </tr>
        <tr>
          <td align="left" thead="row"><Math mode="inline" tex="\vec{a}" text="vec@(a)" xml:id="p1.m29">
              <XMath>
                <XMApp>
                  <XMTok name="vec" role="OVERACCENT" stretchy="false">→</XMTok>
                  <XMTok font="italic" role="UNKNOWN">a</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left" border="r"><Math mode="inline" tex="\mathaccent 382{a}" text="→@(a)" xml:id="p1.m30">
              <XMath>
                <XMApp>
                  <XMTok role="OVERACCENT">→</XMTok>
                  <XMTok font="italic" role="UNKNOWN">a</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left"><Math mode="inline" tex="\vec{abc}" text="vec@(a * b * c)" xml:id="p1.m31">
              <XMath>
                <XMApp>
                  <XMTok name="vec" role="OVERACCENT" stretchy="false">→</XMTok>
                  <XMApp>
                    <XMTok meaning="times" role="MULOP">⁢</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                    <XMTok font="italic" role="UNKNOWN">b</XMTok>
                    <XMTok font="italic" role="UNKNOWN">c</XMTok>
                  </XMApp>
                </XMApp>
              </XMath>
            </Math></td>
        </tr>
        <tr>
          <td thead="row"/>
          <td align="left" border="r"><Math mode="inline" tex="\mathaccent 28695{a}" text="˚@(a)" xml:id="p1.m32">
              <XMath>
                <XMApp>
                  <XMTok role="OVERACCENT">˚</XMTok>
                  <XMTok font="italic" role="UNKNOWN">a</XMTok>
                </XMApp>
              </XMath>
            </Math></td>
          <td/>
        </tr>
        <tr>
          <td align="left" thead="row"><Math mode="inline" tex="\widetilde{aaa}" text="widetilde@(a * a * a)" xml:id="p1.m33">
              <XMath>
                <XMApp>
                  <XMTok name="widetilde" role="OVERACCENT">~</XMTok>
                  <XMApp>
                    <XMTok meaning="times" role="MULOP">⁢</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                  </XMApp>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left" border="r"><Math mode="inline" tex="\mathaccent 869{aaa}" text="~@(a * a * a)" xml:id="p1.m34">
              <XMath>
                <XMApp>
                  <XMTok role="OVERACCENT">~</XMTok>
                  <XMApp>
                    <XMTok meaning="times" role="MULOP">⁢</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                  </XMApp>
                </XMApp>
              </XMath>
            </Math></td>
          <td/>
        </tr>
        <tr>
          <td align="left" thead="row"><Math mode="inline" tex="\widehat{aaa}" text="widehat@(a * a * a)" xml:id="p1.m35">
              <XMath>
                <XMApp>
                  <XMTok name="widehat" role="OVERACCENT">^</XMTok>
                  <XMApp>
                    <XMTok meaning="times" role="MULOP">⁢</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                  </XMApp>
                </XMApp>
              </XMath>
            </Math></td>
          <td align="left" border="r"><Math mode="inline" tex="\mathaccent 866{aaa}" text="^@(a * a * a)" xml:id="p1.m36">
              <XMath>
                <XMApp>
                  <XMTok role="OVERACCENT">^</XMTok>
                  <XMApp>
                    <XMTok meaning="times" role="MULOP">⁢</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                    <XMTok font="italic" role="UNKNOWN">a</XMTok>
                  </XMApp>
                </XMApp>
              </XMath>
            </Math></td>
          <td/>
        </tr>
      </tbody>
    </tabular>
  </para>
  <para xml:id="p2">
    <p>Test what arguments hat accepts
(should be same with check, breve, acute, grave, tilde, bar, vec,
dot, ddot, overline, widehat, widetilde)</p>
    <equation xml:id="S0.Ex1">
      <Math mode="display" tex="[\hat{A}]\quad[\hat{}]\quad[\hat{A}]\quad[\hat{ABC}]\quad[\hat{A}]\quad[\hat{A%&#10;}]\quad[\hat{A}]\quad[\hat{\verb+$+}]\quad[\hat{{A}}]\quad[\hat{{\verb+$+}}]" text="list@(delimited-[]@(hat@(A)), delimited-[]@(hat@(absent)), delimited-[]@(hat@(A)), delimited-[]@(hat@(A * B * C)), delimited-[]@(hat@(A)), delimited-[]@(hat@(A)), delimited-[]@(hat@(A)), delimited-[]@(hat@($)), delimited-[]@(hat@(A)), delimited-[]@(hat@($)))" xml:id="S0.Ex1.m1">
        <XMath>
          <XMDual>
            <XMApp>
              <XMTok meaning="list"/>
              <XMRef idref="S0.Ex1.m1.11"/>
              <XMRef idref="S0.Ex1.m1.12"/>
              <XMRef idref="S0.Ex1.m1.13"/>
              <XMRef idref="S0.Ex1.m1.14"/>
              <XMRef idref="S0.Ex1.m1.15"/>
              <XMRef idref="S0.Ex1.m1.16"/>
              <XMRef idref="S0.Ex1.m1.17"/>
              <XMRef idref="S0.Ex1.m1.18"/>
              <XMRef idref="S0.Ex1.m1.19"/>
              <XMRef idref="S0.Ex1.m1.20"/>
            </XMApp>
            <XMWrap>
              <XMDual xml:id="S0.Ex1.m1.11">
                <XMApp>
                  <XMTok meaning="delimited-[]"/>
                  <XMRef idref="S0.Ex1.m1.1"/>
                </XMApp>
                <XMWrap>
                  <XMTok role="OPEN" stretchy="false">[</XMTok>
                  <XMApp xml:id="S0.Ex1.m1.1">
                    <XMTok name="hat" role="OVERACCENT" stretchy="false">^</XMTok>
                    <XMTok font="italic" role="UNKNOWN">A</XMTok>
                  </XMApp>
                  <XMTok role="CLOSE" stretchy="false">]</XMTok>
                </XMWrap>
              </XMDual>
              <XMHint name="quad" role="PUNCT" width="10pt"/>
              <XMDual xml:id="S0.Ex1.m1.12">
                <XMApp>
                  <XMTok meaning="delimited-[]"/>
                  <XMRef idref="S0.Ex1.m1.2"/>
                </XMApp>
                <XMWrap>
                  <XMTok role="OPEN" stretchy="false">[</XMTok>
                  <XMApp xml:id="S0.Ex1.m1.2">
                    <XMTok name="hat" role="OVERACCENT" stretchy="false">^</XMTok>
                    <XMTok meaning="absent"/>
                  </XMApp>
                  <XMTok role="CLOSE" stretchy="false">]</XMTok>
                </XMWrap>
              </XMDual>
              <XMHint name="quad" role="PUNCT" width="10pt"/>
              <XMDual xml:id="S0.Ex1.m1.13">
                <XMApp>
                  <XMTok meaning="delimited-[]"/>
                  <XMRef idref="S0.Ex1.m1.3"/>
                </XMApp>
                <XMWrap>
                  <XMTok role="OPEN" stretchy="false">[</XMTok>
                  <XMApp xml:id="S0.Ex1.m1.3">
                    <XMTok name="hat" role="OVERACCENT" stretchy="false">^</XMTok>
                    <XMTok font="italic" role="UNKNOWN">A</XMTok>
                  </XMApp>
                  <XMTok role="CLOSE" stretchy="false">]</XMTok>
                </XMWrap>
              </XMDual>
              <XMHint name="quad" role="PUNCT" width="10pt"/>
              <XMDual xml:id="S0.Ex1.m1.14">
                <XMApp>
                  <XMTok meaning="delimited-[]"/>
                  <XMRef idref="S0.Ex1.m1.4"/>
                </XMApp>
                <XMWrap>
                  <XMTok role="OPEN" stretchy="false">[</XMTok>
                  <XMApp xml:id="S0.Ex1.m1.4">
                    <XMTok name="hat" role="OVERACCENT" stretchy="false">^</XMTok>
                    <XMApp>
                      <XMTok meaning="times" role="MULOP">⁢</XMTok>
                      <XMTok font="italic" role="UNKNOWN">A</XMTok>
                      <XMTok font="italic" role="UNKNOWN">B</XMTok>
                      <XMTok font="italic" role="UNKNOWN">C</XMTok>
                    </XMApp>
                  </XMApp>
                  <XMTok role="CLOSE" stretchy="false">]</XMTok>
                </XMWrap>
              </XMDual>
              <XMHint name="quad" role="PUNCT" width="10pt"/>
              <XMDual xml:id="S0.Ex1.m1.15">
                <XMApp>
                  <XMTok meaning="delimited-[]"/>
                  <XMRef idref="S0.Ex1.m1.5"/>
                </XMApp>
                <XMWrap>
                  <XMTok role="OPEN" stretchy="false">[</XMTok>
                  <XMApp xml:id="S0.Ex1.m1.5">
                    <XMTok name="hat" role="OVERACCENT" stretchy="false">^</XMTok>
                    <XMTok font="italic" role="UNKNOWN">A</XMTok>
                  </XMApp>
                  <XMTok role="CLOSE" stretchy="false">]</XMTok>
                </XMWrap>
              </XMDual>
              <XMHint name="quad" role="PUNCT" width="10pt"/>
              <XMDual xml:id="S0.Ex1.m1.16">
                <XMApp>
                  <XMTok meaning="delimited-[]"/>
                  <XMRef idref="S0.Ex1.m1.6"/>
                </XMApp>
                <XMWrap>
                  <XMTok role="OPEN" stretchy="false">[</XMTok>
                  <XMApp xml:id="S0.Ex1.m1.6">
                    <XMTok name="hat" role="OVERACCENT" stretchy="false">^</XMTok>
                    <XMTok font="italic" role="UNKNOWN">A</XMTok>
                  </XMApp>
                  <XMTok role="CLOSE" stretchy="false">]</XMTok>
                </XMWrap>
              </XMDual>
              <XMHint name="quad" role="PUNCT" width="10pt"/>
              <XMDual xml:id="S0.Ex1.m1.17">
                <XMApp>
                  <XMTok meaning="delimited-[]"/>
                  <XMRef idref="S0.Ex1.m1.7"/>
                </XMApp>
                <XMWrap>
                  <XMTok role="OPEN" stretchy="false">[</XMTok>
                  <XMApp xml:id="S0.Ex1.m1.7">
                    <XMTok name="hat" role="OVERACCENT" stretchy="false">^</XMTok>
                    <XMTok font="italic" role="UNKNOWN">A</XMTok>
                  </XMApp>
                  <XMTok role="CLOSE" stretchy="false">]</XMTok>
                </XMWrap>
              </XMDual>
              <XMHint name="quad" role="PUNCT" width="10pt"/>
              <XMDual xml:id="S0.Ex1.m1.18">
                <XMApp>
                  <XMTok meaning="delimited-[]"/>
                  <XMRef idref="S0.Ex1.m1.8"/>
                </XMApp>
                <XMWrap>
                  <XMTok role="OPEN" stretchy="false">[</XMTok>
                  <XMApp xml:id="S0.Ex1.m1.8">
                    <XMTok name="hat" role="OVERACCENT" stretchy="false">^</XMTok>
                    <XMTok font="typewriter">$</XMTok>
                  </XMApp>
                  <XMTok role="CLOSE" stretchy="false">]</XMTok>
                </XMWrap>
              </XMDual>
              <XMHint name="quad" role="PUNCT" width="10pt"/>
              <XMDual xml:id="S0.Ex1.m1.19">
                <XMApp>
                  <XMTok meaning="delimited-[]"/>
                  <XMRef idref="S0.Ex1.m1.9"/>
                </XMApp>
                <XMWrap>
                  <XMTok role="OPEN" stretchy="false">[</XMTok>
                  <XMApp xml:id="S0.Ex1.m1.9">
                    <XMTok name="hat" role="OVERACCENT" stretchy="false">^</XMTok>
                    <XMTok font="italic" role="UNKNOWN">A</XMTok>
                  </XMApp>
                  <XMTok role="CLOSE" stretchy="false">]</XMTok>
                </XMWrap>
              </XMDual>
              <XMHint name="quad" role="PUNCT" width="10pt"/>
              <XMDual xml:id="S0.Ex1.m1.20">
                <XMApp>
                  <XMTok meaning="delimited-[]"/>
                  <XMRef idref="S0.Ex1.m1.10"/>
                </XMApp>
                <XMWrap>
                  <XMTok role="OPEN" stretchy="false">[</XMTok>
                  <XMApp xml:id="S0.Ex1.m1.10">
                    <XMTok name="hat" role="OVERACCENT" stretchy="false">^</XMTok>
                    <XMTok font="typewriter">$</XMTok>
                  </XMApp>
                  <XMTok role="CLOSE" stretchy="false">]</XMTok>
                </XMWrap>
              </XMDual>
            </XMWrap>
          </XMDual>
        </XMath>
      </Math>
    </equation>
    <p>Note that this only accents the A</p>
    <equation xml:id="S0.Ex2">
      <Math mode="display" tex="[\hat{A}BC]" text="delimited-[]@(hat@(A) * B * C)" xml:id="S0.Ex2.m1">
        <XMath>
          <XMDual>
            <XMApp>
              <XMTok meaning="delimited-[]"/>
              <XMRef idref="S0.Ex2.m1.1"/>
            </XMApp>
            <XMWrap>
              <XMTok role="OPEN" stretchy="false">[</XMTok>
              <XMApp xml:id="S0.Ex2.m1.1">
                <XMTok meaning="times" role="MULOP">⁢</XMTok>
                <XMApp>
                  <XMTok name="hat" role="OVERACCENT" stretchy="false">^</XMTok>
                  <XMTok font="italic" role="UNKNOWN">A</XMTok>
                </XMApp>
                <XMTok font="italic" role="UNKNOWN">B</XMTok>
                <XMTok font="italic" role="UNKNOWN">C</XMTok>
              </XMApp>
              <XMTok role="CLOSE" stretchy="false">]</XMTok>
            </XMWrap>
          </XMDual>
        </XMath>
      </Math>
    </equation>
  </para>
  <para xml:id="p3">
    <p>Other accent-like macros (underbrace, overbrace) only accept regular style arguments</p>
    <equation xml:id="S0.Ex3">
      <Math mode="display" tex="[\underbrace{A}]\quad[\underbrace{}]\quad[\underbrace{A}]\quad[\underbrace{ABC%&#10;}]\quad[\underbrace{ABC}]" text="list@(delimited-[]@(underbrace@(A)), delimited-[]@(underbrace@(absent)), delimited-[]@(underbrace@(A)), delimited-[]@(underbrace@(A * B * C)), delimited-[]@(underbrace@(A * B * C)))" xml:id="S0.Ex3.m1">
        <XMath>
          <XMDual>
            <XMApp>
              <XMTok meaning="list"/>
              <XMRef idref="S0.Ex3.m1.6"/>
              <XMRef idref="S0.Ex3.m1.7"/>
              <XMRef idref="S0.Ex3.m1.8"/>
              <XMRef idref="S0.Ex3.m1.9"/>
              <XMRef idref="S0.Ex3.m1.10"/>
            </XMApp>
            <XMWrap>
              <XMDual xml:id="S0.Ex3.m1.6">
                <XMApp>
                  <XMTok meaning="delimited-[]"/>
                  <XMRef idref="S0.Ex3.m1.1"/>
                </XMApp>
                <XMWrap>
                  <XMTok role="OPEN" stretchy="false">[</XMTok>
                  <XMApp scriptpos="mid" xml:id="S0.Ex3.m1.1">
                    <XMTok name="underbrace" role="UNDERACCENT">⏟</XMTok>
                    <XMTok font="italic" role="UNKNOWN">A</XMTok>
                  </XMApp>
                  <XMTok role="CLOSE" stretchy="false">]</XMTok>
                </XMWrap>
              </XMDual>
              <XMHint name="quad" role="PUNCT" width="10pt"/>
              <XMDual xml:id="S0.Ex3.m1.7">
                <XMApp>
                  <XMTok meaning="delimited-[]"/>
                  <XMRef idref="S0.Ex3.m1.2"/>
                </XMApp>
                <XMWrap>
                  <XMTok role="OPEN" stretchy="false">[</XMTok>
                  <XMApp scriptpos="mid" xml:id="S0.Ex3.m1.2">
                    <XMTok name="underbrace" role="UNDERACCENT">⏟</XMTok>
                    <XMTok meaning="absent"/>
                  </XMApp>
                  <XMTok role="CLOSE" stretchy="false">]</XMTok>
                </XMWrap>
              </XMDual>
              <XMHint name="quad" role="PUNCT" width="10pt"/>
              <XMDual xml:id="S0.Ex3.m1.8">
                <XMApp>
                  <XMTok meaning="delimited-[]"/>
                  <XMRef idref="S0.Ex3.m1.3"/>
                </XMApp>
                <XMWrap>
                  <XMTok role="OPEN" stretchy="false">[</XMTok>
                  <XMApp scriptpos="mid" xml:id="S0.Ex3.m1.3">
                    <XMTok name="underbrace" role="UNDERACCENT">⏟</XMTok>
                    <XMTok font="italic" role="UNKNOWN">A</XMTok>
                  </XMApp>
                  <XMTok role="CLOSE" stretchy="false">]</XMTok>
                </XMWrap>
              </XMDual>
              <XMHint name="quad" role="PUNCT" width="10pt"/>
              <XMDual xml:id="S0.Ex3.m1.9">
                <XMApp>
                  <XMTok meaning="delimited-[]"/>
                  <XMRef idref="S0.Ex3.m1.4"/>
                </XMApp>
                <XMWrap>
                  <XMTok role="OPEN" stretchy="false">[</XMTok>
                  <XMApp scriptpos="mid" xml:id="S0.Ex3.m1.4">
                    <XMTok name="underbrace" role="UNDERACCENT">⏟</XMTok>
                    <XMApp>
                      <XMTok meaning="times" role="MULOP">⁢</XMTok>
                      <XMTok font="italic" role="UNKNOWN">A</XMTok>
                      <XMTok font="italic" role="UNKNOWN">B</XMTok>
                      <XMTok font="italic" role="UNKNOWN">C</XMTok>
                    </XMApp>
                  </XMApp>
                  <XMTok role="CLOSE" stretchy="false">]</XMTok>
                </XMWrap>
              </XMDual>
              <XMHint name="quad" role="PUNCT" width="10pt"/>
              <XMDual xml:id="S0.Ex3.m1.10">
                <XMApp>
                  <XMTok meaning="delimited-[]"/>
                  <XMRef idref="S0.Ex3.m1.5"/>
                </XMApp>
                <XMWrap>
                  <XMTok role="OPEN" stretchy="false">[</XMTok>
                  <XMApp scriptpos="mid" xml:id="S0.Ex3.m1.5">
                    <XMTok name="underbrace" role="UNDERACCENT">⏟</XMTok>
                    <XMApp>
                      <XMTok meaning="times" role="MULOP">⁢</XMTok>
                      <XMTok font="italic" role="UNKNOWN">A</XMTok>
                      <XMTok font="italic" role="UNKNOWN">B</XMTok>
                      <XMTok font="italic" role="UNKNOWN">C</XMTok>
                    </XMApp>
                  </XMApp>
                  <XMTok role="CLOSE" stretchy="false">]</XMTok>
                </XMWrap>
              </XMDual>
            </XMWrap>
          </XMDual>
        </XMath>
      </Math>
    </equation>
    <p>But note that while these don’t fail, they accent nothing</p>
    <equation xml:id="S0.Ex4">
      <Math mode="display" tex="[\underbrace{}A]\quad[\underbrace{}A]\quad[\underbrace{}A]\quad[\underbrace{%&#10;\leavevmode}A]" text="list@(delimited-[]@(underbrace@(absent) * A), delimited-[]@(underbrace@(absent) * A), delimited-[]@(underbrace@(absent) * A), delimited-[]@(underbrace@(absent) * A))" xml:id="S0.Ex4.m1">
        <XMath>
          <XMDual>
            <XMApp>
              <XMTok meaning="list"/>
              <XMRef idref="S0.Ex4.m1.1"/>
              <XMRef idref="S0.Ex4.m1.2"/>
              <XMRef idref="S0.Ex4.m1.3"/>
              <XMRef idref="S0.Ex4.m1.4"/>
            </XMApp>
            <XMWrap>
              <XMDual xml:id="S0.Ex4.m1.1">
                <XMApp>
                  <XMTok meaning="delimited-[]"/>
                  <XMRef idref="S0.Ex4.m1.1.1"/>
                </XMApp>
                <XMWrap>
                  <XMTok role="OPEN" stretchy="false">[</XMTok>
                  <XMApp xml:id="S0.Ex4.m1.1.1">
                    <XMTok meaning="times" role="MULOP">⁢</XMTok>
                    <XMApp scriptpos="mid">
                      <XMTok name="underbrace" role="UNDERACCENT">⏟</XMTok>
                      <XMTok meaning="absent"/>
                    </XMApp>
                    <XMTok font="italic" role="UNKNOWN">A</XMTok>
                  </XMApp>
                  <XMTok role="CLOSE" stretchy="false">]</XMTok>
                </XMWrap>
              </XMDual>
              <XMHint name="quad" role="PUNCT" width="10pt"/>
              <XMDual xml:id="S0.Ex4.m1.2">
                <XMApp>
                  <XMTok meaning="delimited-[]"/>
                  <XMRef idref="S0.Ex4.m1.2.1"/>
                </XMApp>
                <XMWrap>
                  <XMTok role="OPEN" stretchy="false">[</XMTok>
                  <XMApp xml:id="S0.Ex4.m1.2.1">
                    <XMTok meaning="times" role="MULOP">⁢</XMTok>
                    <XMApp scriptpos="mid">
                      <XMTok name="underbrace" role="UNDERACCENT">⏟</XMTok>
                      <XMTok meaning="absent"/>
                    </XMApp>
                    <XMTok font="italic" role="UNKNOWN">A</XMTok>
                  </XMApp>
                  <XMTok role="CLOSE" stretchy="false">]</XMTok>
                </XMWrap>
              </XMDual>
              <XMHint name="quad" role="PUNCT" width="10pt"/>
              <XMDual xml:id="S0.Ex4.m1.3">
                <XMApp>
                  <XMTok meaning="delimited-[]"/>
                  <XMRef idref="S0.Ex4.m1.3.1"/>
                </XMApp>
                <XMWrap>
                  <XMTok role="OPEN" stretchy="false">[</XMTok>
                  <XMApp xml:id="S0.Ex4.m1.3.1">
                    <XMTok meaning="times" role="MULOP">⁢</XMTok>
                    <XMApp scriptpos="mid">
                      <XMTok name="underbrace" role="UNDERACCENT">⏟</XMTok>
                      <XMTok meaning="absent"/>
                    </XMApp>
                    <XMTok font="italic" role="UNKNOWN">A</XMTok>
                  </XMApp>
                  <XMTok role="CLOSE" stretchy="false">]</XMTok>
                </XMWrap>
              </XMDual>
              <XMHint name="quad" role="PUNCT" width="10pt"/>
              <XMDual xml:id="S0.Ex4.m1.4">
                <XMApp>
                  <XMTok meaning="delimited-[]"/>
                  <XMRef idref="S0.Ex4.m1.4.1"/>
                </XMApp>
                <XMWrap>
                  <XMTok role="OPEN" stretchy="false">[</XMTok>
                  <XMApp xml:id="S0.Ex4.m1.4.1">
                    <XMTok meaning="times" role="MULOP">⁢</XMTok>
                    <XMApp scriptpos="mid">
                      <XMTok name="underbrace" role="UNDERACCENT">⏟</XMTok>
                      <XMTok meaning="absent"/>
                    </XMApp>
                    <XMTok font="italic" role="UNKNOWN">A</XMTok>
                  </XMApp>
                  <XMTok role="CLOSE" stretchy="false">]</XMTok>
                </XMWrap>
              </XMDual>
            </XMWrap>
          </XMDual>
        </XMath>
      </Math>
    </equation>
    <p>And a peculiar case</p>
    <equation xml:id="S0.Ex5">
      <Math mode="display" tex="\underbrace{}\underbrace{f}oo" text="underbrace@(absent) * underbrace@(f) * o * o" xml:id="S0.Ex5.m1">
        <XMath>
          <XMApp>
            <XMTok meaning="times" role="MULOP">⁢</XMTok>
            <XMApp scriptpos="mid">
              <XMTok name="underbrace" role="UNDERACCENT">⏟</XMTok>
              <XMTok meaning="absent"/>
            </XMApp>
            <XMApp scriptpos="mid">
              <XMTok name="underbrace" role="UNDERACCENT">⏟</XMTok>
              <XMTok font="italic" role="UNKNOWN">f</XMTok>
            </XMApp>
            <XMTok font="italic" role="UNKNOWN">o</XMTok>
            <XMTok font="italic" role="UNKNOWN">o</XMTok>
          </XMApp>
        </XMath>
      </Math>
    </equation>
  </para>
</document>