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Issue3457 xarrows #1382

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b66969a
Fix xarrows so that they won't stretch after initial layout. (mathjax…
dpvc Oct 29, 2025
bce7b4b
Update tests for new output for xarrows.
dpvc Oct 29, 2025
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162 changes: 90 additions & 72 deletions testsuite/tests/input/tex/Ams.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -441,16 +441,19 @@ describe('Ams', () => {
toXmlMatch(
tex2mml('\\xleftarrow{abcd}'),
`<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="\\xleftarrow{abcd}" display="block">
<mover data-latex="\\xleftarrow{abcd}">
<mo data-mjx-texclass="REL">&#x2190;</mo>
<mpadded width="+0.833em" lspace="0.556em" voffset="-.2em" height="-.2em">
<mi data-latex="a">a</mi>
<mi data-latex="b">b</mi>
<mi data-latex="c">c</mi>
<mi data-latex="d">d</mi>
<mspace depth=".2em"></mspace>
</mpadded>
</mover>
<mrow data-mjx-texclass="REL" data-latex="\\xleftarrow{abcd}">
<mrow data-mjx-texclass="NONE"></mrow>
<mover>
<mo data-mjx-texclass="ORD">&#x2190;</mo>
<mpadded width="+0.833em" lspace="0.556em" voffset="-.2em" height="-.2em">
<mi data-latex="a">a</mi>
<mi data-latex="b">b</mi>
<mi data-latex="c">c</mi>
<mi data-latex="d">d</mi>
<mspace depth=".2em"></mspace>
</mpadded>
</mover>
</mrow>
</math>`
);
});
Expand All @@ -461,22 +464,25 @@ describe('Ams', () => {
toXmlMatch(
tex2mml('\\xleftarrow[xyz]{abcd}'),
`<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="\\xleftarrow[xyz]{abcd}" display="block">
<munderover data-latex="\\xleftarrow[xyz]{abcd}">
<mo data-mjx-texclass="REL">&#x2190;</mo>
<mpadded width="+0.833em" lspace="0.556em" voffset=".15em" depth="-.15em">
<mi data-latex="x">x</mi>
<mi data-latex="y">y</mi>
<mi data-latex="z">z</mi>
<mspace height=".75em"></mspace>
</mpadded>
<mpadded width="+0.833em" lspace="0.556em" voffset="-.2em" height="-.2em">
<mi data-latex="a">a</mi>
<mi data-latex="b">b</mi>
<mi data-latex="c">c</mi>
<mi data-latex="d">d</mi>
<mspace depth=".2em"></mspace>
</mpadded>
</munderover>
<mrow data-mjx-texclass="REL" data-latex="\\xleftarrow[xyz]{abcd}">
<mrow data-mjx-texclass="NONE"></mrow>
<munderover>
<mo data-mjx-texclass="ORD">&#x2190;</mo>
<mpadded width="+0.833em" lspace="0.556em" voffset=".15em" depth="-.15em">
<mi data-latex="x">x</mi>
<mi data-latex="y">y</mi>
<mi data-latex="z">z</mi>
<mspace height=".75em"></mspace>
</mpadded>
<mpadded width="+0.833em" lspace="0.556em" voffset="-.2em" height="-.2em">
<mi data-latex="a">a</mi>
<mi data-latex="b">b</mi>
<mi data-latex="c">c</mi>
<mi data-latex="d">d</mi>
<mspace depth=".2em"></mspace>
</mpadded>
</munderover>
</mrow>
</math>`
);
});
Expand All @@ -488,16 +494,19 @@ describe('Ams', () => {
tex2mml('A\\xleftarrow{abcd}B'),
`<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="A\\xleftarrow{abcd}B" display="block">
<mi data-latex="A">A</mi>
<mover data-latex="\\xleftarrow{abcd}">
<mo data-mjx-texclass="REL">&#x2190;</mo>
<mpadded width="+0.833em" lspace="0.556em" voffset="-.2em" height="-.2em">
<mi data-latex="a">a</mi>
<mi data-latex="b">b</mi>
<mi data-latex="c">c</mi>
<mi data-latex="d">d</mi>
<mspace depth=".2em"></mspace>
</mpadded>
</mover>
<mrow data-mjx-texclass="REL" data-latex="\\xleftarrow{abcd}">
<mrow data-mjx-texclass="NONE"></mrow>
<mover>
<mo data-mjx-texclass="ORD">&#x2190;</mo>
<mpadded width="+0.833em" lspace="0.556em" voffset="-.2em" height="-.2em">
<mi data-latex="a">a</mi>
<mi data-latex="b">b</mi>
<mi data-latex="c">c</mi>
<mi data-latex="d">d</mi>
<mspace depth=".2em"></mspace>
</mpadded>
</mover>
</mrow>
<mi data-latex="B">B</mi>
</math>`
);
Expand All @@ -509,16 +518,19 @@ describe('Ams', () => {
toXmlMatch(
tex2mml('\\xrightarrow{abcd}'),
`<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="\\xrightarrow{abcd}" display="block">
<mover data-latex="\\xrightarrow{abcd}">
<mo data-mjx-texclass="REL">&#x2192;</mo>
<mpadded width="+0.833em" lspace="0.278em" voffset="-.2em" height="-.2em">
<mi data-latex="a">a</mi>
<mi data-latex="b">b</mi>
<mi data-latex="c">c</mi>
<mi data-latex="d">d</mi>
<mspace depth=".2em"></mspace>
</mpadded>
</mover>
<mrow data-mjx-texclass="REL" data-latex="\\xrightarrow{abcd}">
<mrow data-mjx-texclass="NONE"></mrow>
<mover>
<mo data-mjx-texclass="ORD">&#x2192;</mo>
<mpadded width="+0.833em" lspace="0.278em" voffset="-.2em" height="-.2em">
<mi data-latex="a">a</mi>
<mi data-latex="b">b</mi>
<mi data-latex="c">c</mi>
<mi data-latex="d">d</mi>
<mspace depth=".2em"></mspace>
</mpadded>
</mover>
</mrow>
</math>`
);
});
Expand All @@ -529,22 +541,25 @@ describe('Ams', () => {
toXmlMatch(
tex2mml('\\xrightarrow[xyz]{abcd}'),
`<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="\\xrightarrow[xyz]{abcd}" display="block">
<munderover data-latex="\\xrightarrow[xyz]{abcd}">
<mo data-mjx-texclass="REL">&#x2192;</mo>
<mpadded width="+0.833em" lspace="0.278em" voffset=".15em" depth="-.15em">
<mi data-latex="x">x</mi>
<mi data-latex="y">y</mi>
<mi data-latex="z">z</mi>
<mspace height=".75em"></mspace>
</mpadded>
<mpadded width="+0.833em" lspace="0.278em" voffset="-.2em" height="-.2em">
<mi data-latex="a">a</mi>
<mi data-latex="b">b</mi>
<mi data-latex="c">c</mi>
<mi data-latex="d">d</mi>
<mspace depth=".2em"></mspace>
</mpadded>
</munderover>
<mrow data-mjx-texclass="REL" data-latex="\\xrightarrow[xyz]{abcd}">
<mrow data-mjx-texclass="NONE"></mrow>
<munderover>
<mo data-mjx-texclass="ORD">&#x2192;</mo>
<mpadded width="+0.833em" lspace="0.278em" voffset=".15em" depth="-.15em">
<mi data-latex="x">x</mi>
<mi data-latex="y">y</mi>
<mi data-latex="z">z</mi>
<mspace height=".75em"></mspace>
</mpadded>
<mpadded width="+0.833em" lspace="0.278em" voffset="-.2em" height="-.2em">
<mi data-latex="a">a</mi>
<mi data-latex="b">b</mi>
<mi data-latex="c">c</mi>
<mi data-latex="d">d</mi>
<mspace depth=".2em"></mspace>
</mpadded>
</munderover>
</mrow>
</math>`
);
});
Expand All @@ -556,16 +571,19 @@ describe('Ams', () => {
tex2mml('A\\xrightarrow{abcd}B'),
`<math xmlns="http://www.w3.org/1998/Math/MathML" data-latex="A\\xrightarrow{abcd}B" display="block">
<mi data-latex="A">A</mi>
<mover data-latex="\\xrightarrow{abcd}">
<mo data-mjx-texclass="REL">&#x2192;</mo>
<mpadded width="+0.833em" lspace="0.278em" voffset="-.2em" height="-.2em">
<mi data-latex="a">a</mi>
<mi data-latex="b">b</mi>
<mi data-latex="c">c</mi>
<mi data-latex="d">d</mi>
<mspace depth=".2em"></mspace>
</mpadded>
</mover>
<mrow data-mjx-texclass="REL" data-latex="\\xrightarrow{abcd}">
<mrow data-mjx-texclass="NONE"></mrow>
<mover>
<mo data-mjx-texclass="ORD">&#x2192;</mo>
<mpadded width="+0.833em" lspace="0.278em" voffset="-.2em" height="-.2em">
<mi data-latex="a">a</mi>
<mi data-latex="b">b</mi>
<mi data-latex="c">c</mi>
<mi data-latex="d">d</mi>
<mspace depth=".2em"></mspace>
</mpadded>
</mover>
</mrow>
<mi data-latex="B">B</mi>
</math>`
);
Expand Down
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