anchor.diff:    use elens
     use cheby
     use parbeam, only : beam_expflag
  -
  -  implicit none
  +  use string_tools
   
     character(mStrLen), intent(in) :: element_name, att_name
   
  
positive.code: ! ================================================================================================ !
  integer function dynk_findSETindex(elementName, attName, startFrom)
  
    implicit none
  
    character(mStrLen), intent(in) :: elementName
    character(mStrLen), intent(in) :: attName
  
negative.code:   use mod_common_track
    use mod_common_main
    use mod_particles
    use string_tools
  
    use elens
    use cheby
  