.. Functions ..
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Synatx for conditions...

  - The syntax of clipper/dBase etc. can be used for all conditionds and div.
    options.
    Examples:   - eof(), bof() .not., .and. .or. ...
                - dtoc(), ctod(), str(), substr() ...
                - trim(), alltrim(), at() ...
                - recno(), deleted(), descend(), ...



  - valid operands:

           =, #, >, <, >=, <=, !, .and., .or., .not.

  - invalid operands:

          ==, <>, ++, --,  etc..



    replace with..
    --------------
       - If you want replace fields with the content of other fields, it is
         possible with the key @.

              Examples: replace name   with @prename
                        replace name   with @demo2->name
                        replace name   with @alltrim(demo2->name)
                        replace number with @number*10
                        replace number with @number+number2+number3
                        replace name   with @substr(name,2,20)


     *  - Will man mehere Felder ersetzen, kann man folgende Operanden dazu
      *   benutzen: (+), (,)

              Examples: replace name+name2 with "hello"
                        replace name,name2 with "hello"
                        replace number1+number2 with 123
                        replace number1,number2 with 123