Nitish. wrote: > all I am trying to do is substitute the "value" 1 with :i both are equivalent, are they not? IMHO expressions like these should be evaluatable as they are so convenient to construct and I can think of lots of other advantages for this type of syntax. It's coming in the next version of REBOL, according to REBOL crew. This was discussed earlier on, on this list. New version of core will allow this: blk/:i/:i: "Y" Andrew Martin ICQ: 26227169 http://members.xoom.com/AndrewMartin/ -><-