Definitivni gramatika pro program GRAFY (Kocian Jan)
    ====================================================
ukazka programu na:
  http://cs.felk.cvut.cz/~kocianj1/dalsi/grafy/index.html


Radek
=====
S  ->  R end


Elementy souboru (radku)
========================
R  ->  identifikator R'  |  = E
R' ->  = E  |  ( identifikator R" ) = R"'  |  e
R" ->  , identifikator R"  |  e
R"'->  = E  |  e

Definice funkce - vyraz
=======================
E  ->  T E'
E' ->  + T E'  |  - T E'  |  e
T  ->  S T'
T' ->  * S T'  |  / S T'  |  e
S  ->  O S'
S' ->  ^ O S'  |  e
O  ->  O'  |  - O'
O' ->  identifikator O" | cislo | ( E )
O" ->  ( E P  |  e
P  ->  , E P  |  )