Icarus Command: In
Sets the input token table for parsing. Controls the lazy parsing 'execution chain' by defining the connections between productions
in Argument may stay unnamed in argument list. 
Name of the input token table.
n Argument has a default value. -1 
Numerical token code.
p  
Name of production to be linked.
t  
Name of task that if results in forced parsing.
count  
file  
Symbolic name of the input file.
share  
Symbolic name file that shares physical file.
select  
Selects token with specified count number. The value 0 selects all tokens (only in combination with "count").
c Argument is multivalued (list). List  
List of token codes accepted for input.
xc Argument is multivalued (list). List  
List of token codes that are not accepted.
Returns a value