This document appears to be technical specifications or code related to programming language parsing and syntax rules. It includes lists of tokens, nonterminals, and rules. It also includes FIRST and FOLLOW sets which are parsing concepts used to determine valid next tokens in a parse. The document contains syntax rules and specifications but is not a normal text and does not have an overall narrative to summarize.

1. Exe at b exclablta au falblton
a Sa
b
si
ais 7 52
à
sa 53
b at se
Qb
C Caa ICbaa ou
E
Sz 53 sa
b a
sg saAFN
Qo si52,564,594 E
a
bo
Qu Qffssisait Qafsh
Qi Qs14,456,44 Qu f04 QI
Q2 QFISH Qu 104 7
Qs Q 55,53 Qz Spy
b Qu
99701 ai ans'Ê ÊÜ
Qui Qzfs9 IS
S44pQn
fQ4

2. 5,0L FIRST C ils
s c FIRST id id
s A FIRST f Y
A E
FIRST It 4
C C
CEC E FIRST f f h
C FIRST nr
my
FIRST L id our
FIRST s id sur
FIRST A id
FIRST E
µ
FOLLOW L 4
FOLLOW E
It 4
FOLLOW A 4,4
FOLLOW S 1,4

4. TOKENS NONTERMINALS RUES
Prog
struts
E0F
strut
id Expo
if Etaie
FIRSTCstnt lid if
FOLLOWstouts l'Y
Foccowletail p I
Foccowlexpr etoiowcetail M