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<?latexml RelaxNGSchema="LaTeXML"?>
<document xmlns="http://dlmf.nist.gov/LaTeXML">
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<resource src="ltx-article.css" type="text/css"/>
<paragraph inlist="toc" xml:id="S0.SS0.SSS0.Px1">
<title>Normal Usage</title>
<para xml:id="S0.SS0.SSS0.Px1.p1">
<equationgroup class="ltx_eqn_eqnarray" xml:id="S0.EGx1">
<equation xml:id="S0.Ex1">
<MathFork>
<Math tex="\displaystyle a=b+c" text="a = b + c" xml:id="S0.Ex1.m4">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">a</XMTok>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">b</XMTok>
<XMTok font="italic" role="UNKNOWN">c</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math>
<MathBranch>
<tr>
<td align="right"><Math mode="inline" tex="\displaystyle a" text="a" xml:id="S0.Ex1.m1">
<XMath>
<XMTok font="italic" role="UNKNOWN">a</XMTok>
</XMath>
</Math></td>
<td align="center"><Math mode="inline" tex="\displaystyle=" text="=" xml:id="S0.Ex1.m2">
<XMath>
<XMTok meaning="equals" role="RELOP">=</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle b+c" text="b + c" xml:id="S0.Ex1.m3">
<XMath>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">b</XMTok>
<XMTok font="italic" role="UNKNOWN">c</XMTok>
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</XMath>
</Math></td>
</tr>
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</equation>
<equation xml:id="S0.Ex2">
<MathFork>
<Math tex="\displaystyle d=e+f+g" text="d = e + f + g" xml:id="S0.Ex2.m4">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">d</XMTok>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">e</XMTok>
<XMTok font="italic" role="UNKNOWN">f</XMTok>
<XMTok font="italic" role="UNKNOWN">g</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math>
<MathBranch>
<tr>
<td align="right"><Math mode="inline" tex="\displaystyle d" text="d" xml:id="S0.Ex2.m1">
<XMath>
<XMTok font="italic" role="UNKNOWN">d</XMTok>
</XMath>
</Math></td>
<td align="center"><Math mode="inline" tex="\displaystyle=" text="=" xml:id="S0.Ex2.m2">
<XMath>
<XMTok meaning="equals" role="RELOP">=</XMTok>
</XMath>
</Math></td>
<td align="left"><Math mode="inline" tex="\displaystyle e+f+g" text="e + f + g" xml:id="S0.Ex2.m3">
<XMath>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">e</XMTok>
<XMTok font="italic" role="UNKNOWN">f</XMTok>
<XMTok font="italic" role="UNKNOWN">g</XMTok>
</XMApp>
</XMath>
</Math></td>
</tr>
</MathBranch>
</MathFork>
</equation>
</equationgroup>
</para>
</paragraph>
<paragraph inlist="toc" xml:id="S0.SS0.SSS0.Px2">
<title>gather alternative (single column misuse)</title>
<para xml:id="S0.SS0.SSS0.Px2.p1">
<equationgroup class="ltx_eqn_eqnarray" xml:id="S0.EGx2">
<equation xml:id="S0.Ex3">
<MathFork>
<Math tex="\displaystyle a=b+c" text="a = b + c" xml:id="S0.Ex3.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">a</XMTok>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">b</XMTok>
<XMTok font="italic" role="UNKNOWN">c</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle a=b+c" text="a = b + c" xml:id="S0.Ex3.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">a</XMTok>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">b</XMTok>
<XMTok font="italic" role="UNKNOWN">c</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="S0.Ex4">
<MathFork>
<Math tex="\displaystyle d=e+f+g" text="d = e + f + g" xml:id="S0.Ex4.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">d</XMTok>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">e</XMTok>
<XMTok font="italic" role="UNKNOWN">f</XMTok>
<XMTok font="italic" role="UNKNOWN">g</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle d=e+f+g" text="d = e + f + g" xml:id="S0.Ex4.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">d</XMTok>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">e</XMTok>
<XMTok font="italic" role="UNKNOWN">f</XMTok>
<XMTok font="italic" role="UNKNOWN">g</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
</equationgroup>
<equationgroup class="ltx_eqn_eqnarray" xml:id="S0.EGx3">
<equation xml:id="S0.Ex5">
<MathFork>
<Math tex="\displaystyle a=b+c" text="a = b + c" xml:id="S0.Ex5.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">a</XMTok>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">b</XMTok>
<XMTok font="italic" role="UNKNOWN">c</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="center"><Math mode="inline" tex="\displaystyle a=b+c" text="a = b + c" xml:id="S0.Ex5.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">a</XMTok>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">b</XMTok>
<XMTok font="italic" role="UNKNOWN">c</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="S0.Ex6">
<MathFork>
<Math tex="\displaystyle d=e+f+g" text="d = e + f + g" xml:id="S0.Ex6.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">d</XMTok>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">e</XMTok>
<XMTok font="italic" role="UNKNOWN">f</XMTok>
<XMTok font="italic" role="UNKNOWN">g</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="center"><Math mode="inline" tex="\displaystyle d=e+f+g" text="d = e + f + g" xml:id="S0.Ex6.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">d</XMTok>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">e</XMTok>
<XMTok font="italic" role="UNKNOWN">f</XMTok>
<XMTok font="italic" role="UNKNOWN">g</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
</equationgroup>
<equationgroup class="ltx_eqn_eqnarray" xml:id="S0.EGx4">
<equation xml:id="S0.Ex7">
<MathFork>
<Math tex="\displaystyle a=b+c" text="a = b + c" xml:id="S0.Ex7.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">a</XMTok>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">b</XMTok>
<XMTok font="italic" role="UNKNOWN">c</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="left"><Math mode="inline" tex="\displaystyle a=b+c" text="a = b + c" xml:id="S0.Ex7.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">a</XMTok>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">b</XMTok>
<XMTok font="italic" role="UNKNOWN">c</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="S0.Ex8">
<MathFork>
<Math tex="\displaystyle d=e+f+g" text="d = e + f + g" xml:id="S0.Ex8.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">d</XMTok>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">e</XMTok>
<XMTok font="italic" role="UNKNOWN">f</XMTok>
<XMTok font="italic" role="UNKNOWN">g</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="left"><Math mode="inline" tex="\displaystyle d=e+f+g" text="d = e + f + g" xml:id="S0.Ex8.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">d</XMTok>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">e</XMTok>
<XMTok font="italic" role="UNKNOWN">f</XMTok>
<XMTok font="italic" role="UNKNOWN">g</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
</equationgroup>
</para>
</paragraph>
<paragraph inlist="toc" xml:id="S0.SS0.SSS0.Px3">
<title>Awkward continuations</title>
<para xml:id="S0.SS0.SSS0.Px3.p1">
<equationgroup class="ltx_eqn_eqnarray" xml:id="S0.EGx5">
<equation xml:id="S0.Ex9">
<MathFork>
<Math tex="\displaystyle a=b+c" text="a = b + c" xml:id="S0.Ex9.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">a</XMTok>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">b</XMTok>
<XMTok font="italic" role="UNKNOWN">c</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle a=b+c" text="a = b + c" xml:id="S0.Ex9.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">a</XMTok>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">b</XMTok>
<XMTok font="italic" role="UNKNOWN">c</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="S0.Ex10">
<MathFork>
<Math tex="\displaystyle=e+f+g" text="absent = e + f + g" xml:id="S0.Ex10.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">e</XMTok>
<XMTok font="italic" role="UNKNOWN">f</XMTok>
<XMTok font="italic" role="UNKNOWN">g</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="right"><Math mode="inline" tex="\displaystyle=e+f+g" text="absent = e + f + g" xml:id="S0.Ex10.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">e</XMTok>
<XMTok font="italic" role="UNKNOWN">f</XMTok>
<XMTok font="italic" role="UNKNOWN">g</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
</equationgroup>
<equationgroup class="ltx_eqn_eqnarray" xml:id="S0.EGx6">
<equation xml:id="S0.Ex11">
<MathFork>
<Math tex="\displaystyle a=b+c" text="a = b + c" xml:id="S0.Ex11.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">a</XMTok>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">b</XMTok>
<XMTok font="italic" role="UNKNOWN">c</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="center"><Math mode="inline" tex="\displaystyle a=b+c" text="a = b + c" xml:id="S0.Ex11.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">a</XMTok>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">b</XMTok>
<XMTok font="italic" role="UNKNOWN">c</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="S0.Ex12">
<MathFork>
<Math tex="\displaystyle=e+f+g" text="absent = e + f + g" xml:id="S0.Ex12.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">e</XMTok>
<XMTok font="italic" role="UNKNOWN">f</XMTok>
<XMTok font="italic" role="UNKNOWN">g</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="center"><Math mode="inline" tex="\displaystyle=e+f+g" text="absent = e + f + g" xml:id="S0.Ex12.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">e</XMTok>
<XMTok font="italic" role="UNKNOWN">f</XMTok>
<XMTok font="italic" role="UNKNOWN">g</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
</equationgroup>
<equationgroup class="ltx_eqn_eqnarray" xml:id="S0.EGx7">
<equation xml:id="S0.Ex13">
<MathFork>
<Math tex="\displaystyle a=b+c" text="a = b + c" xml:id="S0.Ex13.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">a</XMTok>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">b</XMTok>
<XMTok font="italic" role="UNKNOWN">c</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="left"><Math mode="inline" tex="\displaystyle a=b+c" text="a = b + c" xml:id="S0.Ex13.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok font="italic" role="UNKNOWN">a</XMTok>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">b</XMTok>
<XMTok font="italic" role="UNKNOWN">c</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
<equation xml:id="S0.Ex14">
<MathFork>
<Math tex="\displaystyle=e+f+g" text="absent = e + f + g" xml:id="S0.Ex14.m2">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">e</XMTok>
<XMTok font="italic" role="UNKNOWN">f</XMTok>
<XMTok font="italic" role="UNKNOWN">g</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math>
<MathBranch>
<td align="left"><Math mode="inline" tex="\displaystyle=e+f+g" text="absent = e + f + g" xml:id="S0.Ex14.m1">
<XMath>
<XMApp>
<XMTok meaning="equals" role="RELOP">=</XMTok>
<XMTok meaning="absent"/>
<XMApp>
<XMTok meaning="plus" role="ADDOP">+</XMTok>
<XMTok font="italic" role="UNKNOWN">e</XMTok>
<XMTok font="italic" role="UNKNOWN">f</XMTok>
<XMTok font="italic" role="UNKNOWN">g</XMTok>
</XMApp>
</XMApp>
</XMath>
</Math></td>
</MathBranch>
</MathFork>
</equation>
</equationgroup>
</para>
</paragraph>
</document>