Hi Dawa

Here I go again:

>

>Transform(&lcAlias..FileNumber
>Upper&lcAlias..Name)
>

can be perfect code:

lcAlias="'Fox Rocks!!!!') &"+"&" 
? Transform(&lcAlias..FileNumber
lcAlias="('Fox Rocks!!!!') &"+"&" 
? Upper&lcAlias..Name)

>Would you say that it would be helpful to warn a programmer?

Well, as you can see, many situations of Macro Substitution can result in correct code although it is not abvious at first glance.

Regards,