options.go
func (opts *Options) DeleteNoCloseTagName(name string) {
	var newset []string
	for _, n := range opts.NoCloseTagNames {
		if n != name {
			newset = append(newset, n)
		}
	}
	opts.NoCloseTagNames = newset
}
func (opts *Options) DeleteNoCloseTagName(name string) {
	var newset []string
	for _, n := range opts.NoCloseTagNames {
		if n != name {
			newset = append(newset, n)
		}
	}
	opts.NoCloseTagNames = newset
}
// DeleteNoCloseTagName deletes name from .NoCloseTagNames set.