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+--  GHDL Run Time (GRT) - Misc subprograms for characters and strings
+--  Copyright (C) 2016 Tristan Gingold
+--
+--  GHDL is free software; you can redistribute it and/or modify it under
+--  the terms of the GNU General Public License as published by the Free
+--  Software Foundation; either version 2, or (at your option) any later
+--  version.
+--
+--  GHDL is distributed in the hope that it will be useful, but WITHOUT ANY
+--  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+--  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+--  for more details.
+--
+--  You should have received a copy of the GNU General Public License
+--  along with GCC; see the file COPYING.  If not, write to the Free
+--  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+--  02111-1307, USA.
+--
+--  As a special exception, if other files instantiate generics from this
+--  unit, or you link this unit with other files to produce an executable,
+--  this unit does not by itself cause the resulting executable to be
+--  covered by the GNU General Public License. This exception does not
+--  however invalidate any other reasons why the executable file might be
+--  covered by the GNU Public License.
+
+package Grt.Strings is
+   pragma Pure;
+
+   NBSP : constant Character := Character'Val (160);
+
+   --  Return True IFF C is a whitespace character (as defined in LRM93 14.3)
+   function Is_Whitespace (C : in Character) return Boolean;
+
+   --  Convert C to lowercase.
+   function To_Lower (C : Character) return Character;
+end Grt.Strings;