original_string: public function setIndentLevel($level)
      {
          $level = intval($level);
          if (0 <= $level) {
              $this->_indentLevel = $level;
          }
          return $this;
      }
code: public function setIndentLevel($level)
      {
          $level = intval($level);
          if (0 <= $level) {
              $this->_indentLevel = $level;
          }
          return $this;
      }
code_tokens: public function setIndentLevel ( $ level ) { $ level = intval ( $ level ) ; if ( 0 <= $ level ) { $ this -> _indentLevel = $ level ; } return $ this ; }
docstring: Sets the indentation level
  
  @param    int
  @return   HTML_Common2
docstring_tokens: Sets the indentation level