# already_present_printer1, space, already_present_printer2, ...., tab,
# new device id, tab,
# new device make and model, tab,
# new device original name, tab,
# new device info, tab,
# canonicalized name
#  - stripped leading and trailing spaces
#  - characters not in ALLOWED_CHARACTERS replaced by '-'
#  - everything behind strings in residues removed
#  - leading and trailing '-' removed
#  - recurring '-' merged
#  - indexed if the name is already in any of given lists
Canon-BJ-30 Canon-BJ-30-2		Canon BJ-30 - CUPS+Gutenprint v5.2.9 Simplified			Canon-BJ-30-3
Canon-BJ-30		HP Business Inkjet 1000, hpcups 3.14.6			HP-Business-Inkjet-1000
				...A---strange;;printer  ;;;;info  	A-strange-printer-info
HP-Something	MFG:HP;MDL:Officejet 7300 series;	HP Officejet 7300 series		Officejet 7300 series	Officejet-7300