anchor.diff:    character(*), intent(in), optional :: delimiters(1:2) !< Eventual delimiters of array values.
     character(len=:), allocatable      :: str             !< Returned string containing input number.
     character(DI8P)                    :: strn            !< String containing of element of input array number.
  -  character(len=1), allocatable      :: sep             !< Array values separator
  +  character(len=1)                   :: sep             !< Array values separator
     integer                            :: i               !< Counter.
     !---------------------------------------------------------------------------------------------------------------------------------
   
  
positive.code:   logical,      intent(in), optional :: compact         !< Flag for *compacting* string encoding.
    character(len=:), allocatable      :: str             !< Returned string containing input number.
    character(DR4P)                    :: strn            !< String containing of element of input array number.
    character(len=1), allocatable      :: sep             !< Array values separator
    integer                            :: i               !< Counter.
    !---------------------------------------------------------------------------------------------------------------------------------
  
  
negative.code:   character(*), intent(in), optional :: delimiters(1:2) !< Eventual delimiters of array values.
    character(len=:), allocatable      :: str             !< Returned string containing input number.
    character(DI2P)                    :: strn            !< String containing of element of input array number.
    character(len=1)                   :: sep             !< Array values separator
    integer                            :: i               !< Counter.
    !---------------------------------------------------------------------------------------------------------------------------------
  
  