nl_tokens: INCREMENTAL MIN // FUNCTION : incrmin () Returns a method to compute the minimum value incrementally .
pl_tokens: function incrmin ( ) { var min = null ; /**
  	* FUNCTION: incrmin( [value] )
  	*	If a `value` is provided, updates and returns the updated min. If no `value` is provided, returns the current min.
  	*
  	* @param {Number} [value] - value used to update the min
  	* @returns {Number|Null} min value
  	*/ return function incrmin ( x ) { if ( ! arguments . length ) { return <mask> ; } if ( x < min || min === null ) { min = x ; } return min ; } ; }