+ USer functions in Excel 97 files. In order to enable this, set the property
XLS.BIFF.SaveFormulasAs2007 := True; This property can only be set after an
Excel 97 file is read.
! Rich text unicode strings could be written wrong.
! Under some rare conditions only the first 511 row where written to a file.
! User drawing shapes could cause an exception.
! InsertRows and InsertCols didn't adjust cells correct.
! InsertRows and InsertCols didn't adjust names correct.
! When entering formulas in code, formulas with list separator (localized multiple arguments) caused problems.