operator ^ for last defined person

src/person.cpp

@@ -81,11 +81,11 @@ void Person::displayInfo()const
 }
 
 
-static U16 strUtf8Symbols(const char* str)
+static U16 Utf8SymbolsCount(const string& str)
 {
 	U16 num = 0;
-	for(; *str != '\0'; ++str)
-		num += ((*str & 0xC0) != 0x80);
+	for(char c: str)
+		num += ((c & 0xC0) != 0x80); // bytes that start with 0 are single, 11 are multiple, 10 are sucessors
 
 	return num;
 }
@@ -113,7 +113,7 @@ U16 Person::draw(const I16 drawY, const I16 drawX, bool selected, bool hasSpouse
 		}
 	}
 
-	const U16 width = strUtf8Symbols(display_name.data()) + 4; /* pad width */
+	const U16 width = Utf8SymbolsCount(display_name) + 4; /* pad width */
 
 	if(willBeVisible(drawY, drawX, BOX_HEIGHT, width))
 	{