+ "LEX TEXT => AST
+
+ARGUMENTS AND VALUES:
+
+ TEXT: Some NetLogo code
+ AST: An ambigious AST that can later be parsed
+
+DESCRIPTION:
+
+ LEX lexes NetLogo code.
+
+ LEX checks for some things, in as much as it can without knowing anything
+ about some of the backgrounds of NetLogo. However, it does the first pass
+ with as much as it can."