id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
17233	Remove class TagChecker.CheckerData?	GerdP	team	"The class is used to handle files which start with 
{{{
# JOSM TagChecker
}}}
It seems to be unused since r6548. See r8309 where the corresponding tagchecker.cfg file was removed. Was the java code kept to be able to handle user written rules? Is it still useful to support it?

"	enhancement	closed	normal	19.01	Core validator		fixed