{
	onig node recycling
	Memcheck:Leak
	...
	fun:onig_parse_make_tree
	...
}
{
	onig unicode case insensitivity 1
	Memcheck:Leak
	...
	fun:setup_tree
	...
}
{
	onig unicode case insensitivity 2
	Memcheck:Leak
	...
	fun:onig*unicode*
	...
}