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diff --git a/sql-ledger/locale/es_iso/Num2text b/sql-ledger/locale/es_iso/Num2text
new file mode 100644
index 000000000..c9032245a
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+++ b/sql-ledger/locale/es_iso/Num2text
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+#=====================================================================
+# SQL-Ledger Accounting
+# Copyright (C) 2002
+#
+#  Author: Dieter Simader
+#   Email: dsimader@sql-ledger.org
+#     Web: http://www.sql-ledger.org
+#
+#  Language: Spanish
+#  Contributors: John Christian Stoddart
+#
+# This program 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 of the License, or
+# (at your option) any later version.
+#
+# This program 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 this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#======================================================================
+
+
+sub init {
+  my $self = shift;
+
+  %{ $self->{numbername} } =
+                   (0 => 'cero',
+                    1 => 'un',
+		 '1o' => 'uno',
+                    2 => 'dos',
+	            3 => 'tres',
+		    4 => 'cuatro',
+		    5 => 'cinco',
+		    6 => 'seis',
+		    7 => 'siete',
+		    8 => 'ocho',
+		    9 => 'nueve',
+		   10 => 'diez',
+		   11 => 'once',
+		   12 => 'doce',
+		   13 => 'trece',
+		   14 => 'catorce',
+		   15 => 'quince',
+		   16 => 'dieciséis',
+		   17 => 'diecisiete',
+		   18 => 'dieciocho',
+		   19 => 'diecinueve',
+		   20 => 'veinte',
+		   21 => 'veintiún',
+	        '21o' => 'veintiuno',
+		   22 => 'veintidós',
+		   23 => 'veintitrés',
+		   24 => 'veinticuatro',
+		   25 => 'veinticinco',
+		   26 => 'veintiséis',
+		   27 => 'veintisiete',
+		   28 => 'veintiocho',
+		   29 => 'veintinueve',
+		   30 => 'treinta',
+		   40 => 'cuarenta',
+		   50 => 'cincuenta',
+		   60 => 'sesenta',
+		   70 => 'setenta',
+		   80 => 'ochenta',
+		   90 => 'noventa',
+		  500 => 'quinientos',
+		  700 => 'setecientos',
+		  900 => 'novecientos',
+                10**2 => 'ciento',
+                10**3 => 'mil',
+		10**6 => 'millón',
+	       10**12 => 'billón',
+		);
+
+}
+
+
+sub num2text {
+  my ($self, $amount) = @_;
+
+  return $self->{numbername}{0} unless $amount;
+
+  my @textnumber = ();
+
+  # split amount into chunks of 3
+  my @num = reverse split //, abs($amount);
+  my @numblock = ();
+  my $stripun = 0;
+  my @a = ();
+  my $i;
+
+  while (@num) {
+    @a = ();
+    for (1 .. 3) {
+      push @a, shift @num;
+    }
+    push @numblock, join / /, reverse @a;
+  }
+  
+  # special case for 1000
+  if ($numblock[1] eq '1' && $numblock[0] gt '000') {
+    # remove first array element from textnumber
+    $stripun = 1;
+  }
+
+  while (@numblock) {
+
+    $i = $#numblock;
+    @num = split //, $numblock[$i];
+    
+    $numblock[$i] *= 1;
+
+    if ($numblock[$i] == 0) {
+      pop @numblock;
+      next;
+    }
+    
+    if ($numblock[$i] > 99) {
+      if ($num[0] == 1) {
+	push @textnumber, $self->{numbername}{10**2};
+      } else {
+        # special case for 500, 700, 900
+	if (grep /$num[0]/, (5,7,9)) {
+	  push @textnumber, $self->{numbername}{"${num[0]}00"};
+	  
+	} else {
+	
+	  # the one from hundreds, append cientos
+	  push @textnumber, $self->{numbername}{$num[0]}.$self->{numbername}{10**2}.'s';
+	  
+	}
+      }
+     
+      # reduce numblock
+      $numblock[$i] -= $num[0] * 100;
+    }
+    
+    if ($numblock[$i] > 9) {
+      # tens
+      push @textnumber, $self->format_ten($numblock[$i], $i);
+    } elsif ($numblock[$i] > 0) {
+      # ones
+      $num = $numblock[$i];
+      $num .= 'o' if ($num == 1 && $i == 0);
+      push @textnumber, $self->{numbername}{$num};
+    }
+    
+    # add thousand, million
+    if ($i) {
+      $num = 10**($i * 3);
+      if ($numblock[$i] > 1) {
+	if ($i == 2 || $i == 4) {
+	  $a = $self->{numbername}{$num}."es";
+	  $a =~ s/ó/o/;
+	  push @textnumber, $a;
+	} elsif ($i == 3) {
+	  $num = 10**($i * 2);
+	  $a = "$self->{10**3} $self->{numbername}{$num}"."es";
+	  $a =~ s/ó/o/;
+	  push @textnumber, $a;
+	} else {
+	  if ($i == 1) {
+	    push @textnumber, $self->{numbername}{$num};
+	  } else {
+	    push @textnumber, $self->{numbername}{$num}.'s';
+	  }
+	}
+      } else {
+	push @textnumber, $self->{numbername}{$num};
+      }
+    }
+      
+    pop @numblock;
+    
+  }
+
+  shift @textnumber if $stripun;
+
+  join ' ', @textnumber;
+
+}
+
+
+sub format_ten {
+  my ($self, $amount, $i) = @_;
+  
+  my $textnumber = "";
+  my @num = split //, $amount;
+
+  if ($amount > 30) {
+    $textnumber = $self->{numbername}{$num[0]*10};
+    $amount = $num[1];
+  } else {
+    $amount .= 'o' if ($num[1] == 1 && $i == 0);
+    $textnumber = $self->{numbername}{$amount};
+    $amount = 0;
+  }
+
+  $textnumber .= " y ".$self->{numbername}{$amount} if $amount;
+
+  $textnumber;
+  
+}
+
+
+1;
+