support duplicate names

readme.txt

@@ -4,7 +4,6 @@ tft can create and display family trees on the terminal.
 
 
 HOW TO CREATE:
-
 Trees are created using the tft file format, for example this tft file:
 
 # This is a comment
@@ -44,7 +43,6 @@ DEPENDENCIES:
 ncursesw development library (libncursesw5-dev on Debian/Ubuntu)
 
 HOW TO INSTALL:
-
 Make sure you satisfy the dependencies and have permissons and execute:
 	git clone https://gitlab.com/venelin98/tft.git
 	cd tft
@@ -52,5 +50,11 @@ Make sure you satisfy the dependencies and have permissons and execute:
 
 
 HOW TO USE:
-
 	tft ${MY_TFT_FILE}
+
+TFT FORMAT:
+ - All spaces are ignored e.g.: Adam 0 and Adam0 are equivalent
+ - '_' in names is converted to ' '
+ - Number at the end of a name is used to disambiguate when multiple people have identical names e.g.:
+   Adam0 is the first added Adam, Adam1 is the second added Adam
+ - Must end with a newline