fixed text changing bugs

src/display.c

@@ -268,6 +268,7 @@ void force_window(){
 		break;
 		case INPUT_CHANGE_TO:
 		case INPUT_APPEND:
+		case INPUT_READ:
 			current_window = &winput;
 		break;
 	}

src/input.c

@@ -393,8 +393,6 @@ int change_input(const int c) {
 			}
 	}
 
-	input_mode = INPUT_NORMAL;
-
 	return 0;
 }
 
@@ -406,7 +404,8 @@ int changestring(const char *from, const char *to, const bool *const change,
 	char  msg[MSGLEN + 1];		/* message */
 	FILE *script;				/* shell script file */
 
-								/* Return early */
+
+	// Return early
 	bool anymarked = false; /* any line marked */
 	for(int i = 0; i < change_len; i++) {
 		if(change[i]) {

src/readline.c

@@ -80,7 +80,10 @@ static void redisplay_function() {
 }
 
 static void callback_handler(char *line) {
-	if(!line) { return; } // XXX; should behave differently with different modes
+	if(!line) {
+		input_mode = INPUT_NORMAL;
+		return;
+	}
 
 	add_history(line);
 
@@ -127,6 +130,7 @@ static void callback_handler(char *line) {
 		case CHANGE:
 			if(totallines == 0){ return; }
 			input_mode = INPUT_CHANGE_TO;
+			force_window();
 			break;
 		case DEFINITION:
 		case FILENAME: