A phase-locked loop including a digital PFD, a digital loop filter, a decision circuit, a fractional-N PLL, and a frequency divider is provided. In one embodiment, an annotation to be carried over between multiple versions may include both a document file indicator and a surrounding text indicator associated with a document file in a version. An amount at least equal to a total amount of regularly recurring bills of the person that have a generally fixed amount is deposited into a bills account of the person, and at least a portion of a remainder of INC is deposited into the checking account. Collisions with mercury atoms release ultra-violet photons, which in turn excites the phosphor coating in the lamp. Additionally, the processor can be programmed to use a database connection code that replaces a prototype assignment of values to variables when the real code is the selected code.