}
		i += size
		last = r
	}
	if last != '\n' {
		return false
	}
	return true
}

// ParseRecord parses a record description at the start of text,
// stopping immediately after the terminating blank line.
// It returns the record id, the record text, and the remainder of text.
func ParseRecord(msg []byte) (id int64, text, rest []byte, err error) {
	// Leading record id.
	i := bytes.IndexByte(msg, '\n')

			if err != nil {
				return cached{nil, err}
			}
			writeCache = true
		}

		// Validate the record before using it for anything.
		id, text, treeMsg, err := tlog.ParseRecord(data)
		if err != nil {
			return cached{nil, err}
		}
		if err := c.mergeLatest(treeMsg); err != nil {
			return cached{nil, err}
		}
		if err := c.checkRecord(id, text); err != nil {