create or replace package Tags
is

  ordr            constant varchar2(80) := '<order>';
  customer_id     constant varchar2(80) := '<customer_id>';
  our_ref         constant varchar2(80) := '<our_ref>';
  scu             constant varchar2(80) := '<scu>';
  quantity        constant varchar2(80) := '<quantity>';

  confirmation    constant varchar2(80) := '<confirmation>';
  your_ref        constant varchar2(80) := '<your_ref>';
  date_received   constant varchar2(80) := '<date_received>';

  function Close ( p_tag in varchar2 ) return varchar2;
end Tags;

/
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create or replace package body Tags
is
function Close ( p_tag in varchar2 ) return varchar2
is

begin
  return Replace ( p_tag, '<', '</' );
end Close;
end Tags;
/
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