simple_latin_upper_letter

simple_latin_upper_letter ::= 
      "A" | "B" | "C" | "D" | "E" | "F" | "G" | "H" | "I" | "J" | "K" | "L" | "M" | "N" | "O" 
      | "P" | "Q" | "R" | "S" | "T" | "U" | "V" | "W" | "X" | "Y" | "Z" 

This rule is called by

-> simple_latin_letter