+/**
+ * mrkey_index - List a set of OpenPGP keys in the MRHKP format.
+ * @keys: The keys to display.
+ *
+ * This function takes a list of OpenPGP public keys and displays a
+ * machine readable list of them.
+ */
+int mrkey_index(struct openpgp_publickey *keys);
+
+/**
+ * txt2html - Takes a string and converts it to HTML.
+ * @string: The string to HTMLize.
+ *
+ * Takes a string and escapes any HTML entities.
+ */
+const char *txt2html(const char *string);