Reduced voltage swing signal path circuitry is provided that lowers the internal signaling power consumption of the interconnection resources of a programmable logic device. The method dynamically creates a tree representation of an XML document based on a provided set of XPath expressions through approximate matching techniques. A sulfonic acid and a surfactant may also be included. Some embodiments further include, in response to determining that the virtual object has the setting that enables the automatic reduction in display quality from the first display quality setting, automatically reducing the display quality of the virtual object from the first display quality level to a second display quality level less than the first display quality level. An iterative approach is used in acquiring a DSSS signal when the phase coherency of the signal is less than the symbol length.