hi, all,

I have a problem on reading wiki of the UNO Type System ( 
http://udk.openoffice.org/common/man/typesystem.html ).

As I got the following example from wiki here:
"type S: set of interface type
 type M: map from integer to member function
 function fI(t: interface type, T: S, n: integer, μ: M): ?S, integer, M?
  if t ? T                   // There are some problem on showing the symbol 
here, so please see the wiki . 
   for i ← 1 … kb    
[...]"

I don't know what it is meaning of  "for i ← 1 … kb" , and I don't know what 
exactly meaning of the arrow points to left here "←".  Could  any body here 
give me some explain?  Thank you very much!  

Best Regard,
Cynthia
2007-11-27

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