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<!DOCTYPE html>
<html>
<head>
<title>displaystyle</title>
<meta charset="utf-8">
<link rel="stylesheet" href="/fonts/ahem.css">
<style>
math {
font: 25px Ahem;
}
</style>
</head>
<body>
<!-- Test displaystyle on mstyle -->
<math>
<mstyle displaystyle="true">
<munder><mo>O</mo><mo>O</mo></munder>
</mstyle>
<mstyle displaystyle="false">
<msub><mo>O</mo><mo>O</mo></munder>
</mstyle>
</math>
<!-- The mfrac element sets displaystyle to "false", or if it was already
false increments scriptlevel by 1, within numerator and denominator.
-->
<math>
<mstyle displaystyle="true">
<mfrac>
<msub><mo>O</mo><mo>O</mo></msub>
<msub><mo>O</mo><mo>O</mo></msub>
</mfrac>
</mstyle>
</math>
<!-- The mroot element increments scriptlevel by 2, and sets
displaystyle to "false", within index, but leaves both attributes
unchanged within base.
The msqrt element leaves both attributes unchanged within its
argument. -->
<math>
<mstyle displaystyle="true">
<mroot>
<munder><mo>O</mo><mo>O</mo></munder>
<msub><mo>O</mo><mo>O</mo></msub>
</mroot>
<msqrt>
<munder><mo>O</mo><mo>O</mo></munder>
</msqrt>
</mstyle>
</math>
<!--
The msub element [...] increments scriptlevel by 1, and sets displaystyle to
"false", within subscript, but leaves both attributes unchanged within base.
The msup element [...] increments scriptlevel by 1, and sets displaystyle to
"false", within superscript, but leaves both attributes unchanged within
base.
The msubsup element [...] increments scriptlevel by 1, and sets displaystyle
to "false", within subscript and superscript, but leaves both attributes
unchanged within base.
The mmultiscripts element increments scriptlevel by 1, and sets displaystyle
to "false", within each of its arguments except base, but leaves both
attributes unchanged within base.
-->
<math>
<mstyle displaystyle="true">
<msub>
<munder><mo>O</mo><mo>O</mo></munder>
<msub><mo>O</mo><mo>O</mo></msub>
</msub>
<msup>
<munder><mo>O</mo><mo>O</mo></munder>
<msub><mo>O</mo><mo>O</mo></msub>
</msup>
<msubsup>
<munder><mo>O</mo><mo>O</mo></munder>
<msub><mo>O</mo><mo>O</mo></msub>
<msub><mo>O</mo><mo>O</mo></msub>
</msubsup>
<mmultiscripts>
<munder><mo>O</mo><mo>O</mo></munder>
<msub><mo>O</mo><mo>O</mo></msub>
<msub><mo>O</mo><mo>O</mo></msub>
<mprescripts/>
<msub><mo>O</mo><mo>O</mo></msub>
<msub><mo>O</mo><mo>O</mo></msub>
</mmultiscripts>
</mstyle>
</math>
<!--
The munder element [...] always sets displaystyle to "false" within the
underscript, but increments scriptlevel by 1 only when accentunder is
"false". Within base, it always leaves both attributes unchanged.
The mover element [...] always sets displaystyle to "false" within
overscript, but increments scriptlevel by 1 only when accent is "false".
Within base, it always leaves both attributes unchanged.
The munderover [..] always sets displaystyle to "false" within underscript
and overscript, but increments scriptlevel by 1 only when accentunder or
accent, respectively, are "false". Within base, it always leaves both
attributes unchanged.
-->
<math>
<mstyle displaystyle="true">
<munder>
<munder><mo>O</mo><mo>O</mo></munder>
<msub><mo>O</mo><mo>O</mo></msub>
</munder>
<mover>
<munder><mo>O</mo><mo>O</mo></munder>
<msub><mo>O</mo><mo>O</mo></msub>
</mover>
<munderover>
<munder><mo>O</mo><mo>O</mo></munder>
<msub><mo>O</mo><mo>O</mo></msub>
<msub><mo>O</mo><mo>O</mo></msub>
</munderover>
</mstyle>
</math>
<!--
The displaystyle attribute is allowed on the mtable element to set the
inherited value of the attribute. If the attribute is not present, the
mtable element sets displaystyle to "false" within the table elements.
-->
<math>
<mstyle displaystyle="false">
<mtable displaystyle="true">
<mtr>
<mtd>
<munder><mo>O</mo><mo>O</mo></munder>
</mtd>
</mtr>
</mtable>
</mstyle>
<mstyle displaystyle="true">
<mtable>
<mtr>
<mtd>
<msub><mo>O</mo><mo>O</mo></msub>
</mtd>
</mtr>
</mtable>
</mstyle>
</math>
</body>
</html>