diff --git a/src/parser.cpp b/src/parser.cpp
index 7d9e690..322803a 100644
--- a/src/parser.cpp
+++ b/src/parser.cpp
@@ -5,8 +5,8 @@
 #include "utils.hpp"
 
 /* macros rather then function to avoid warnings */
-#define UNEXPECTED_END()   { endwin(); cerr << "Unexpected end of file" << std::endl; exit(1); }
-#define UNEXPECTED_CHAR(c) { endwin(); cerr << "Line " << line <<  ": Unexpected '" << c << std::endl; exit(1); }
+#define ERR_UNEXPECTED_END()   { endwin(); cerr << "Unexpected end of file" << endl; exit(1); }
+#define ERR_UNEXPECTED_CHAR(c) { endwin(); cerr << "Line " << line <<  ": Unexpected '" << c << endl; exit(1); }
 
 
 using std::cerr;
@@ -14,6 +14,7 @@ using std::cerr;
 using std::string;
 using std::vector;
 using std::pair;
+using std::endl;
 
 namespace /* internal */
 {
@@ -44,6 +45,13 @@ namespace /* internal */
 	/* result */
 	Tree* cur_tree;
 
+	void err_three_parents(const char* extra_name)
+	{
+		endwin();
+		cerr << "Line " << line << " two parents are already defined, "
+			 << extra_name << " is third" << endl;
+	}
+
 	bool isNum(char c)
 	{
 		return c >= '0' && c <= '9';
@@ -57,7 +65,7 @@ namespace /* internal */
 			  !isNum(*it_data))
 		{
 			if(*it_data == ':' /* && *it_data == '-' */)
-				UNEXPECTED_CHAR(*it_data);
+				ERR_UNEXPECTED_CHAR(*it_data);
 			++it_data;
 		}
 
@@ -85,11 +93,11 @@ namespace /* internal */
 			else if(*it_data == 'F')
 				res = F;
 			else
-				UNEXPECTED_CHAR(*it_data);
+				ERR_UNEXPECTED_CHAR(*it_data);
 
 			++it_data;
 			if(*it_data != '\n')
-				UNEXPECTED_CHAR(*it_data);
+				ERR_UNEXPECTED_CHAR(*it_data);
 		}
 		return res;
 	}
@@ -110,7 +118,7 @@ namespace /* internal */
 				break;
 			case '.':
 				if(val == 0)
-					UNEXPECTED_CHAR('.')
+					ERR_UNEXPECTED_CHAR('.')
 				else
 					return sign * val;
 				break;
@@ -119,10 +127,10 @@ namespace /* internal */
 				return sign * val;
 				/* case '?': todo */
 			default:
-				UNEXPECTED_CHAR(*it_data)
+				ERR_UNEXPECTED_CHAR(*it_data)
 			}
 		}
-		UNEXPECTED_END()
+		ERR_UNEXPECTED_END()
 	}
 
 	EventTime processDate(char*& it_data)		/* todo validate  */
@@ -158,7 +166,8 @@ namespace /* internal */
 				else if(res.second == Nobody)
 					res.second = cur_tree->findId(name.data())[same_name_index];
 				else
-					/* todo */TFT_EXIT(1);
+					err_three_parents(name.data());
+
 				same_name_index = 0;
 				name.clear();
 				break;
@@ -166,7 +175,7 @@ namespace /* internal */
 				if(name.empty() && res.first == Nobody)
 					return prev_parents;
 				else
-					UNEXPECTED_CHAR('-')
+					ERR_UNEXPECTED_CHAR('-')
 			case '\n':
 				++line;
 				if(res.first == Nobody)
@@ -184,7 +193,7 @@ namespace /* internal */
 				name.push_back(*it_data);
 			}
 		}
-		UNEXPECTED_END()
+		ERR_UNEXPECTED_END()
 	}
 
 	vector<person_id> parseSpouses(char*& it_data)
@@ -200,7 +209,7 @@ namespace /* internal */
 				if(name.empty())
 					res.push_back( cur_tree->last() );
 				else
-					UNEXPECTED_CHAR('-')
+					ERR_UNEXPECTED_CHAR('-')
 				break;
 			case ',':
 				if(!name.empty())
@@ -210,7 +219,7 @@ namespace /* internal */
 					same_name_index = 0;
 				}
 				else
-					UNEXPECTED_CHAR(',')
+					ERR_UNEXPECTED_CHAR(',')
 				break;
 			case '\n':
 				++line;
@@ -248,7 +257,7 @@ namespace /* internal */
 			case '-':
 			case 0 ... 9:
 			case ':':
-				UNEXPECTED_CHAR(*it_data)
+				ERR_UNEXPECTED_CHAR(*it_data)
 			}
 		}
 	}
@@ -305,7 +314,7 @@ namespace /* internal */
 						spouses = parseSpouses(it_data);
 						break;
 					default:
-						UNEXPECTED_CHAR(it_data[-1])
+						ERR_UNEXPECTED_CHAR(it_data[-1])
 					}
 
 				}
@@ -320,7 +329,7 @@ namespace /* internal */
 				break;
 			/* case 0...9: */
 			/* case ':': */
-			/* 	UNEXPECTED_CHAR(*it_data) */
+			/* 	ERR_UNEXPECTED_CHAR(*it_data) */
 			/* default: */
 				/* break; */
 			}
diff --git a/src/tree.cpp b/src/tree.cpp
index 818bb1f..95eb9cc 100644
--- a/src/tree.cpp
+++ b/src/tree.cpp
@@ -383,6 +383,9 @@ static void displayHelp()
 
 void Tree::display()
 {
+	if(people.size() == 0)
+		return;
+
 	bool to_draw = true;
 	I32 c;
 	do