+static void save_trip(FILE *f, struct dive *trip)
+{
+ struct tm *tm = gmtime(&trip->when);
+
+ fprintf(f, "<trip");
+ fprintf(f, " date='%04u-%02u-%02u'",
+ tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday);
+ if (trip->location)
+ show_utf8(f, trip->location, " location=\'","\'", 1);
+ fprintf(f, " />\n");
+}
+