[antlr-interest] Whitespace in identifiers

[Lukas Glowania]

Hi,

i want identifiers that can contain whitespace.

|grammar WhitespaceInSymbols;

premise :   ( options {greedy=false;} : 'IF' )  id=ID{
System.out.println($id.text);
};

ID  :   ('a'..'z'|'A'..'Z')+ (' '('a'..'z'|'A'..'Z')+)*
;

WS  :   ' '+ {skip();}
;
|

When i test this with "IF statement analyzed" i get a 
MissingTokenException and the output "IF statement analyzed".
I thought, that by using greedy=false i could tell ANTLR to exit afer 
'IF' and take it as a token. But instead the IF is part of the ID. Is 
there a way to achieve my goal? I already tried some variations of the 
greed=false-option, but without success.
Thanks in advance!