-/* This file is sorted such that 'errors' which represent exceptional
- * conditions under which a correct program may fail come first, followed
- * by messages that indicate an incorrect program or system failure. The
- * macro E() along with double-inclusion is used to ensure that ordering
- * of the strings remains synchronized. */
+/* The first entry is a catch-all for codes not enumerated here.
+ * This file is included multiple times to declare and define a structure
+ * with these messages, and then to define a lookup table translating
+ * error codes to offsets of corresponding fields in the structure. */
+
+E(0, "No error information")