Include creating a new line in line splitting

main.cpp

@@ -89,11 +89,11 @@ void print_file(int start = 0) {
 			clear_line(i);
 }
 // Splitting lines
-string split_line(int r, int s) {
+void split_line(int r, int s) {
 	string line = get_line(r);
-	string ret = line.substr(s, line.size());
+	string newline = line.substr(s, line.size());
 	remove(r, s, line.size()-s);
-	return ret;
+	new_line(r+1, newline);
 }
 
 
@@ -224,7 +224,7 @@ int main(int argc, char* argv[]) {
 						print_line(row);
 						break;
 					case ENTER:
-						new_line(row+1, split_line(row, col));
+						split_line(row, col);
 						print_file(row++);
 						jump_line_end();
 						break;