diff --git a/test/echochar.c b/test/echochar.c
index c9ac29a..0849706 100644
--- a/test/echochar.c
+++ b/test/echochar.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 2006-2012,2014 Free Software Foundation, Inc.              *
+ * Copyright 2019-2022,2023 Thomas E. Dickey                                *
+ * Copyright 2006-2014,2017 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -26,7 +27,7 @@
  * authorization.                                                           *
  ****************************************************************************/
 /*
- * $Id: echochar.c,v 1.10 2014/08/09 22:35:51 tom Exp $
+ * $Id: echochar.c,v 1.26 2023/05/27 20:13:10 tom Exp $
  *
  * Demonstrate the echochar function (compare to dots.c).
  * Thomas Dickey - 2006/11/4
@@ -36,8 +37,6 @@
 
 #include <time.h>
 
-#define valid(s) ((s != 0) && s != (char *)-1)
-
 static bool interrupted = FALSE;
 static long total_chars = 0;
 static time_t started;
@@ -45,9 +44,9 @@
 static void
 cleanup(void)
 {
-    endwin();
+    stop_curses();
 
-    printf("\n\n%ld total chars, rate %.2f/sec\n",
+    printf("\n\n%ld total cells, rate %.2f/sec\n",
 	   total_chars,
 	   ((double) (total_chars) / (double) (time((time_t *) 0) - started)));
 }
@@ -66,22 +65,45 @@
 }
 
 static void
-set_color(char *my_pairs, int fg, int bg)
+set_color(const char *const my_pairs, int fg, int bg)
 {
     int pair = (fg * COLORS) + bg;
-    if (!my_pairs[pair]) {
-	init_pair((short) pair,
-		  (short) fg,
-		  (short) bg);
+    if (pair < COLOR_PAIRS) {
+	if (!my_pairs[pair]) {
+	    init_pair((short) pair,
+		      (short) fg,
+		      (short) bg);
+	}
+	attron(COLOR_PAIR(pair));
     }
-    attron(COLOR_PAIR(pair));
 }
 
-int
-main(int argc GCC_UNUSED,
-     char *argv[]GCC_UNUSED)
+static void
+usage(int ok)
 {
-    int ch, x, y, z, p;
+    static const char *msg[] =
+    {
+	"Usage: echochar"
+	,""
+	,USAGE_COMMON
+	,"Options:"
+	," -r       use addch/refresh rather than echochar()"
+    };
+    size_t n;
+
+    for (n = 0; n < SIZEOF(msg); n++)
+	fprintf(stderr, "%s\n", msg[n]);
+
+    ExitProgram(ok ? EXIT_SUCCESS : EXIT_FAILURE);
+}
+/* *INDENT-OFF* */
+VERSION_COMMON()
+/* *INDENT-ON* */
+
+int
+main(int argc, char *argv[])
+{
+    int ch;
     double r;
     double c;
     bool use_colors;
@@ -90,19 +112,21 @@
     int last_fg = 0;
     int last_bg = 0;
 
-    while ((ch = getopt(argc, argv, "r")) != -1) {
+    while ((ch = getopt(argc, argv, OPTS_COMMON "r")) != -1) {
 	switch (ch) {
 	case 'r':
 	    opt_r = TRUE;
 	    break;
+	case OPTS_VERSION:
+	    show_version(argv);
+	    ExitProgram(EXIT_SUCCESS);
 	default:
-	    fprintf(stderr, "usage: echochar [-r]\n");
-	    ExitProgram(EXIT_FAILURE);
+	    usage(ch == OPTS_USAGE);
+	    /* NOTREACHED */
 	}
     }
 
-    CATCHALL(onsig);
-    initscr();
+    InitAndCatch(initscr(), onsig);
 
     use_colors = has_colors();
     if (use_colors) {
@@ -122,13 +146,13 @@
     started = time((time_t *) 0);
 
     while (!interrupted) {
-	x = (int) (c * ranf()) + 2;
-	y = (int) (r * ranf()) + 2;
-	p = (ranf() > 0.9) ? '*' : ' ';
+	int x = (int) (c * ranf()) + 2;
+	int y = (int) (r * ranf()) + 2;
+	int p = (ranf() > 0.9) ? '*' : ' ';
 
 	move(y, x);
 	if (use_colors > 0) {
-	    z = (int) (ranf() * COLORS);
+	    int z = (int) (ranf() * COLORS);
 	    if (ranf() > 0.01) {
 		set_color(my_pairs, z, last_bg);
 		last_fg = z;
@@ -147,7 +171,7 @@
 	    }
 	}
 	if (opt_r) {
-	    addch(UChar(p));
+	    AddCh(UChar(p));
 	    refresh();
 	} else {
 	    echochar(UChar(p));
@@ -155,5 +179,6 @@
 	++total_chars;
     }
     cleanup();
+    free(my_pairs);
     ExitProgram(EXIT_SUCCESS);
 }