(get_map): Set result.first_local_no correctly if the map in the

	conference is completely empty.

src/server/text.c

 /*
- * $Id: text.c,v 0.54 1998/08/09 07:18:13 ceder Exp $
+ * $Id: text.c,v 0.55 1998/08/09 19:06:50 ceder Exp $
  * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996  Lysator Academic Computer Association.
  *
  * This file is part of the LysKOM server.
@@ -29,7 +29,7 @@
  */
 
 static const char *
-rcsid = "$Id: text.c,v 0.54 1998/08/09 07:18:13 ceder Exp $";
+rcsid = "$Id: text.c,v 0.55 1998/08/09 19:06:50 ceder Exp $";
 #include "rcs.h"
 USE(rcsid);
 
@@ -3023,11 +3023,16 @@ get_map(Conf_no	      conf_no,
 	return FAILURE;
     }
 
+    /* Get the lowest existing text, or, if no text exists, the next
+       text number that will be used.  */
     res_first = l2g_next_key(&conf_c->texts, 0);
-    /* Bug compatibility: accept first_local_no==0 because lyskomd
-       1.9.0 did so. */
-    res_first = max(res_first, 1);
+    if (res_first == 0)
+	res_first = l2g_first_appendable_key(&conf_c->texts);
+
+    /* Start where the user wants to start, unless that is too small.  */
     res_first = max(res_first, first_local_no);
+
+    /* Find the endpoint. */
     first_unwanted = min(highest+1, first_local_no + no_of_texts);
 
     if (first_unwanted >= res_first)