original_string: public function getHTML($header = '', $footer = ''){
  		$title = htmlspecialchars($this->label, ENT_QUOTES, 'UTF-8');
  		$html = <<<HTML
  <html xmlns:epub="http://www.idpf.org/2007/ops">
  <head>
  <meta charset="UTF-8">
  <title>{$title}</title>
  {$header}
  </head>
  <body>
  HTML;
  		$html .= $this->getNavHTML();
  		$html .= <<<HTML
  {$footer}
  </body>
  </html>
  HTML;
  		return $html;
  	}
code: public function getHTML($header = '', $footer = ''){
  		$title = htmlspecialchars($this->label, ENT_QUOTES, 'UTF-8');
  		$html = <<<HTML
  <html xmlns:epub="http://www.idpf.org/2007/ops">
  <head>
  <meta charset="UTF-8">
  <title>{$title}</title>
  {$header}
  </head>
  <body>
  HTML;
  		$html .= $this->getNavHTML();
  		$html .= <<<HTML
  {$footer}
  </body>
  </html>
  HTML;
  		return $html;
  	}
code_tokens: public function getHTML ( $ header = '' , $ footer = '' ) { $ title = htmlspecialchars ( $ this -> label , ENT_QUOTES , 'UTF-8' ) ; $ html =  <<<HTML
  <html xmlns:epub="http://www.idpf.org/2007/ops">
  <head>
  <meta charset="UTF-8">
  <title>{$title}</title>
  {$header}
  </head>
  <body>
  HTML ; $ html .= $ this -> getNavHTML ( ) ; $ html .=  <<<HTML
  {$footer}
  </body>
  </html>
  HTML ; return $ html ; }
docstring: Get simple navigation
  
  @param string $header
  @param string $footer
  @return string
docstring_tokens: Get simple navigation