original_string: protected function is_linear_whitespace()
  	{
  		return (bool) ($this->data[$this->position] === "\x09"
  			|| $this->data[$this->position] === "\x20"
  			|| ($this->data[$this->position] === "\x0A"
  				&& isset($this->data[$this->position + 1])
  				&& ($this->data[$this->position + 1] === "\x09" || $this->data[$this->position + 1] === "\x20")));
  	}
code: protected function is_linear_whitespace()
  	{
  		return (bool) ($this->data[$this->position] === "\x09"
  			|| $this->data[$this->position] === "\x20"
  			|| ($this->data[$this->position] === "\x0A"
  				&& isset($this->data[$this->position + 1])
  				&& ($this->data[$this->position + 1] === "\x09" || $this->data[$this->position + 1] === "\x20")));
  	}
code_tokens: protected function is_linear_whitespace ( ) { return ( bool ) ( $ this -> data [ $ this -> position ] === "\x09" || $ this -> data [ $ this -> position ] === "\x20" || ( $ this -> data [ $ this -> position ] === "\x0A" && isset ( $ this -> data [ $ this -> position + 1 ] ) && ( $ this -> data [ $ this -> position + 1 ] === "\x09" || $ this -> data [ $ this -> position + 1 ] === "\x20" ) ) ) ; }
docstring: See if the next character is LWS
  
  @return bool true if the next character is LWS, false if not
docstring_tokens: See if the next character is LWS