diff -Naur xconq-7.5.0-0pre.0.20050612/kernel/cmdline.c xconq-7.5.0-0pre.0.20050612-fix-format-errors/kernel/cmdline.c
--- xconq-7.5.0-0pre.0.20050612/kernel/cmdline.c	2005-03-12 04:12:20.000000000 +0100
+++ xconq-7.5.0-0pre.0.20050612-fix-format-errors/kernel/cmdline.c	2009-03-04 21:55:19.000000000 +0100
@@ -329,7 +329,7 @@
 	    printf("    %s\n");
 	    if (mainmodule->blurb != lispnil) {
 	    	append_blurb_strings(blurb, mainmodule->blurb);
-	    	printf(blurb);
+	    	printf("%s", blurb);
 	    } else {
 	    	printf("(no description)");
 	    }
diff -Naur xconq-7.5.0-0pre.0.20050612/kernel/history.c xconq-7.5.0-0pre.0.20050612-fix-format-errors/kernel/history.c
--- xconq-7.5.0-0pre.0.20050612/kernel/history.c	2005-03-28 05:56:51.000000000 +0200
+++ xconq-7.5.0-0pre.0.20050612-fix-format-errors/kernel/history.c	2009-03-04 21:58:37.000000000 +0100
@@ -190,7 +190,7 @@
 		&& find_event_type(pattern) == hevt->type) {
 		text = cadr(head);
 		if (stringp(text)) {
-		    sprintf(abuf, c_string(text));
+		    sprintf(abuf, "%s", c_string(text));
 		} else {
 		    sprintlisp(abuf, text, 50);
 		}
diff -Naur xconq-7.5.0-0pre.0.20050612/kernel/nlang.c xconq-7.5.0-0pre.0.20050612-fix-format-errors/kernel/nlang.c
--- xconq-7.5.0-0pre.0.20050612/kernel/nlang.c	2005-06-06 05:03:45.000000000 +0200
+++ xconq-7.5.0-0pre.0.20050612-fix-format-errors/kernel/nlang.c	2009-03-04 22:03:24.000000000 +0100
@@ -839,7 +839,7 @@
 	    && strcmp(end, "s'") != 0
 	    && strcmp(end, "z'") != 0)
 	  sprintf(past_unitbuf, "the ");
-	sprintf(past_unitbuf, side_adjective(side2));
+	sprintf(past_unitbuf, "%s", side_adjective(side2));
 	strcat(past_unitbuf, " ");
     }
     /* Now add the past_unit's unique description. */
@@ -1035,7 +1035,7 @@
 		&& find_event_type(pattern) == hevt->type) {
 		text = cadr(head);
 		if (stringp(text)) {
-		    sprintf(buf, c_string(text));
+		    sprintf(buf, "%s", c_string(text));
 		} else {
 		    sprintlisp(buf, text, 50);
 		}
@@ -1046,7 +1046,7 @@
 		       ) {
 		text = cadr(head);
 		if (stringp(text)) {
-		    sprintf(buf, c_string(text));
+		    sprintf(buf, "%s", c_string(text));
 		} else {
 		    event_desc_from_list(side, text, hevt, buf);
 		}