wordpress插件mathjax-latex修改公式识别符 $

修改插件文件class-mathjax-latex.php
将 $latex 替换为 $

public static function inline_to_shortcode( $content ) {
		if ( false === strpos( $content, '$' ) ) {
			return $content;
		}

		self::$add_script = true;

		return preg_replace_callback( '#\$[= ](.*?[^\\\\])\$#', [ __CLASS__, 'inline_to_shortcode_callback' ], $content );
	}