Laxical Analysis

Question

cosider the following normal statement:

DO 5 I =1.25

also consider the following FORTRAN 90 statement:

D0 5 I = 1.25

the difference between numbers of tokens in both the statement is____???

my doubt is what is FORTRAN 90??  what is difference between normal way of creating a token and this lang??

Answer 1

In FORTRAN (90 and 77) white spaces are insignificant. LINK

DO 5 I = 1.25
<variable, "DO5I"> <assign> <number,"1.25">

Comments

then how many token in the 2nd statemnt