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 FUNCTION BUILDEX()                           *changed*

  Short:
  ------
  BUILDEX() Interactively builds and returns an expression string

  Returns:
  --------
  <cExpression> => An expandable expression string

  Syntax:
  -------
  BUILDEX(cDescript,cStart,lTypeChange,[aFields,aDesc])

  Description:
  ------------
  Interactively builds and returns an expression string.

  Pass parameters of <cDescript> - a descriptive name
  for the expression, <cStart> an existing expression
  (field,etc.),

  <lTypeChange> allow TYPE change by BUILDEX()

  Pass all or none of the following arrays

  [aFields]   An array of field names

  [aDesc]     An array of field descriptions

  Examples:
  ---------
   cExpress :=buildex("Index Expression",COMPANY,.F.)

  Notes:
  ------
  Release 3.5 adds the ability to directly edit the expression.


  Source:
  -------
  S_BUILD.PRG