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add \overunderset to amsmath.sty #2687

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add \overunderset to amsmath.sty #2687

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15 changes: 11 additions & 4 deletions lib/LaTeXML/Package/amsmath.sty.ltxml
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Original file line number Diff line number Diff line change
Expand Up @@ -672,7 +672,7 @@ sub rearrangeLoneAMSAligned {
# and synthesize a box from the lhs & rhs.
$document->setNodeBox($main, MathWhatsit(map { $document->getNodeBox($_) } @cells));
closeMathFork($document, $eqn, $main, $branch);
} } } }
} } } }
return; }

#======================================================================
Expand Down Expand Up @@ -749,7 +749,7 @@ DefPrimitive('\numberwithin[]{}{}', sub {

# Section 3.11.2 Cross references to equation numbers
DefConstructor('\eqref Semiverbatim', "(<ltx:ref labelref='#label' _force_font='true'/>)",
mode => 'restricted_horizontal', enterHorizontal => 1,
mode => 'restricted_horizontal', enterHorizontal => 1,
properties => sub { (label => CleanLabel($_[1])); });
DefMacro('\thetag{}', '{\rm #1}');

Expand Down Expand Up @@ -954,7 +954,14 @@ DefConstructor('\underset{}{}',
. "<ltx:XMWrap role='UNDERACCENT'>#1</ltx:XMWrap>"
. "<ltx:XMArg>#2</ltx:XMArg>"
. "</ltx:XMApp>");

DefConstructor('\overunderset{}{}{}',
"<ltx:XMApp>"
. "<ltx:XMWrap role='OVERACCENT'>#1</ltx:XMWrap>"
. "<ltx:XMApp>"
. "<ltx:XMWrap role='UNDERACCENT'>#2</ltx:XMWrap>"
. "<ltx:XMArg>#3</ltx:XMArg>"
. "</ltx:XMApp>"
. "</ltx:XMApp>");
#======================================================================
# Section 4.11 Fractions and related commands

Expand Down Expand Up @@ -1189,7 +1196,7 @@ DefConstructor('\sideset{}{}{}', sub {
if (my $scriptop = IsScript($script)) {
$node = sidesetWrap($document, $node, 'pre', $$scriptop[1], $level, $script);
$level++ if $$scriptop[0] eq 'FLOATING'; # After node is seen!
} }
} }
my @after = ();
foreach my $script ($post->unlist) {
# If it's a script, handle it (non-scripts dealt with above & below)
Expand Down