/**
* Presentation mode: abbreviate (i.e. two standard rules applied for IPv6) or expanded (i.e. groups of zeroes on IP address)
*
* @param abb Abbreviate mode boolean indicator
*/
/**
* Presentation mode: abbreviate (i.e. two standard rules applied for IPv6) or expanded (i.e. groups of zeroes on IP address)
*
* @param abb Abbreviate mode boolean indicator
*/