original_string: protected function escapeLatex($string)
  	{
  		if ($this->_escaper === null) {
  			$this->_escaper = new TextToLatex();
  		}
  		return $this->_escaper->convert($string);
  	}
code: protected function escapeLatex($string)
  	{
  		if ($this->_escaper === null) {
  			$this->_escaper = new TextToLatex();
  		}
  		return $this->_escaper->convert($string);
  	}
code_tokens: protected function escapeLatex ( $ string ) { if ( $ this -> _escaper === null ) { $ this -> _escaper = new TextToLatex ( ) ; } return $ this -> _escaper -> convert ( $ string ) ; }
docstring: Escape special LaTeX characters
docstring_tokens: Escape special LaTeX characters