MMLmsub.php
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MMLmsub.php
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	<?php

	namespace MediaWiki\Extension\Math\WikiTexVC\MMLnodes;

	/**
	* Presentation MathML 3 Element
	* name: "msub"
	* description: "attach a subscript to a base"
	* category: "Script and Limit Schemata"
	*/
	class MMLmsub extends MMLbase {
	public function __construct( string $texclass = "", array $attributes = [] ) {
	parent::__construct( "msub", $texclass, $attributes );
	}

	/**
	* Creates a new subtree element with base and scripts
	* @param MMLbase $base Main content element
	* @param MMLbase $subscript Element placed below the base (subscript)
	* @param string $texclass Optional TeX class for styling
	* @param array $attributes Additional HTML attributes for the element
	* @return static New instance with children in order: [base, subscript]
	*/
	public static function newSubtree( MMLbase $base,
	MMLbase $subscript,
	string $texclass = "",
	array $attributes = [] ) {
	$instance = new self( $texclass, $attributes );
	$instance->children = [ $base, $subscript ];
	return $instance;
	}
	}