+ old_text = skip_space(old);
+ master = skip_space(master);
+
+ /*
+ * If we had a master string, and it doesn't match our old
+ * string, we will always pick the old value (it means that
+ * we're editing another dive's info that already had a
+ * valid value).
+ */
+ if (master && old_text)
+ if (strcmp(master, old_text))
+ return NULL;
+