Tweaked one or more warning messages.

clientserver.c

@@ -264,7 +264,7 @@ static int rsync_module(int f_in, int f_out, int i)
 		} else {
 			rprintf(FLOG, "max connections (%d) reached\n",
 				lp_max_connections(i));
-			io_printf(f_out, "@ERROR: max connections (%d) reached - try again later\n",
+			io_printf(f_out, "@ERROR: max connections (%d) reached -- try again later\n",
 				lp_max_connections(i));
 		}
 		return -1;

compat.c

@@ -55,7 +55,7 @@ void setup_protocol(int f_out,int f_in)
 	}
 	if (remote_protocol < MIN_PROTOCOL_VERSION
 	 || remote_protocol > MAX_PROTOCOL_VERSION) {
-		rprintf(FERROR,"protocol version mismatch - is your shell clean?\n");
+		rprintf(FERROR,"protocol version mismatch -- is your shell clean?\n");
 		rprintf(FERROR,"(see the rsync man page for an explanation)\n");
 		exit_cleanup(RERR_PROTOCOL);
 	}

flist.c

@@ -1690,7 +1690,7 @@ void delete_in_dir(struct file_list *flist, char *fname)
 
 	if (io_error && !(lp_ignore_errors(module_id) || ignore_errors)) {
 		rprintf(FINFO,
-			"IO error encountered - skipping file deletion\n");
+			"IO error encountered -- skipping file deletion\n");
 		max_delete = -1; /* avoid duplicating the above warning */
 		return;
 	}

io.c

@@ -149,7 +149,7 @@ static void check_timeout(void)
 
 	if (t - last_io >= io_timeout) {
 		if (!am_server && !am_daemon) {
-			rprintf(FERROR, "io timeout after %d seconds - exiting\n",
+			rprintf(FERROR, "io timeout after %d seconds -- exiting\n",
 				(int)(t-last_io));
 		}
 		exit_cleanup(RERR_TIMEOUT);

log.c

@@ -418,7 +418,7 @@ static void log_formatted(enum logcode code,
 		l = strlen(n);
 
 		if (l + ((int)(s - &buf[0])) >= sizeof(buf)) {
-			rprintf(FERROR,"buffer overflow expanding %%%c - exiting\n",
+			rprintf(FERROR,"buffer overflow expanding %%%c -- exiting\n",
 				p[0]);
 			exit_cleanup(RERR_MESSAGEIO);
 		}

receiver.c

@@ -62,7 +62,7 @@ void delete_files(struct file_list *flist)
 
 	if (io_error && !(lp_ignore_errors(module_id) || ignore_errors)) {
 		rprintf(FINFO,
-			"IO error encountered - skipping file deletion\n");
+			"IO error encountered -- skipping file deletion\n");
 		return;
 	}
 

socket.c

@@ -90,7 +90,7 @@ static int establish_proxy_connection(int fd, char *host, int port,
 	if (*cp == '\r')
 		*cp = '\0';
 	if (strncmp(buffer, "HTTP/", 5) != 0) {
-		rprintf(FERROR, "bad response from proxy - %s\n",
+		rprintf(FERROR, "bad response from proxy -- %s\n",
 			buffer);
 		return -1;
 	}
@@ -98,7 +98,7 @@ static int establish_proxy_connection(int fd, char *host, int port,
 	while (*cp == ' ')
 		cp++;
 	if (*cp != '2') {
-		rprintf(FERROR, "bad response from proxy - %s\n",
+		rprintf(FERROR, "bad response from proxy -- %s\n",
 			buffer);
 		return -1;
 	}
@@ -616,7 +616,7 @@ void set_socket_options(int fd, char *options)
 
 		case OPT_ON:
 			if (got_value)
-				rprintf(FERROR,"syntax error - %s does not take a value\n",tok);
+				rprintf(FERROR,"syntax error -- %s does not take a value\n",tok);
 
 			{
 				int on = socket_options[i].value;