+time_t mandoc_a2time(int, const char *);
+#define MTIME_CANONICAL (1 << 0)
+#define MTIME_REDUCED (1 << 1)
+#define MTIME_MDOCDATE (1 << 2)
+#define MTIME_ISO_8601 (1 << 3)
+int mandoc_eos(const char *, size_t, int);
+int mandoc_hyph(const char *, const char *);