diff --git a/form/fty_num.c b/form/fty_num.c
new file mode 100644
index 0000000..e74e8e3
--- /dev/null
+++ b/form/fty_num.c
@@ -0,0 +1,290 @@
+/****************************************************************************
+ * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc.              *
+ *                                                                          *
+ * Permission is hereby granted, free of charge, to any person obtaining a  *
+ * copy of this software and associated documentation files (the            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * The above copyright notice and this permission notice shall be included  *
+ * in all copies or substantial portions of the Software.                   *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+
+/***************************************************************************
+*                                                                          *
+*  Author : Juergen Pfeifer                                                *
+*                                                                          *
+***************************************************************************/
+
+#include "form.priv.h"
+
+MODULE_ID("$Id: fty_num.c,v 1.25 2007/10/13 19:32:54 tom Exp $")
+
+#if HAVE_LOCALE_H
+#include <locale.h>
+#endif
+
+#if HAVE_LOCALE_H
+#define isDecimalPoint(c) ((c) == ((L && L->decimal_point) ? *(L->decimal_point) : '.'))
+#else
+#define isDecimalPoint(c) ((c) == '.')
+#endif
+
+#if USE_WIDEC_SUPPORT
+#define isDigit(c) (iswdigit((wint_t)(c)) || isdigit(UChar(c)))
+#else
+#define isDigit(c) isdigit(UChar(c))
+#endif
+
+#define thisARG numericARG
+
+typedef struct
+  {
+    int precision;
+    double low;
+    double high;
+    struct lconv *L;
+  }
+thisARG;
+
+/*---------------------------------------------------------------------------
+|   Facility      :  libnform
+|   Function      :  static void *Make_This_Type(va_list * ap)
+|
+|   Description   :  Allocate structure for numeric type argument.
+|
+|   Return Values :  Pointer to argument structure or NULL on error
++--------------------------------------------------------------------------*/
+static void *
+Make_This_Type(va_list *ap)
+{
+  thisARG *argn = typeMalloc(thisARG, 1);
+
+  if (argn)
+    {
+      T((T_CREATE("thisARG %p"), argn));
+      argn->precision = va_arg(*ap, int);
+      argn->low = va_arg(*ap, double);
+      argn->high = va_arg(*ap, double);
+
+#if HAVE_LOCALE_H
+      argn->L = localeconv();
+#else
+      argn->L = NULL;
+#endif
+    }
+  return (void *)argn;
+}
+
+/*---------------------------------------------------------------------------
+|   Facility      :  libnform
+|   Function      :  static void *Copy_This_Type(const void * argp)
+|
+|   Description   :  Copy structure for numeric type argument.
+|
+|   Return Values :  Pointer to argument structure or NULL on error.
++--------------------------------------------------------------------------*/
+static void *
+Copy_This_Type(const void *argp)
+{
+  const thisARG *ap = (const thisARG *)argp;
+  thisARG *result = (thisARG *) 0;
+
+  if (argp)
+    {
+      result = typeMalloc(thisARG, 1);
+      if (result)
+	{
+	  T((T_CREATE("thisARG %p"), result));
+	  *result = *ap;
+	}
+    }
+  return (void *)result;
+}
+
+/*---------------------------------------------------------------------------
+|   Facility      :  libnform
+|   Function      :  static void Free_This_Type(void * argp)
+|
+|   Description   :  Free structure for numeric type argument.
+|
+|   Return Values :  -
++--------------------------------------------------------------------------*/
+static void
+Free_This_Type(void *argp)
+{
+  if (argp)
+    free(argp);
+}
+
+/*---------------------------------------------------------------------------
+|   Facility      :  libnform
+|   Function      :  static bool Check_This_Field(FIELD * field,
+|                                                 const void * argp)
+|
+|   Description   :  Validate buffer content to be a valid numeric value
+|
+|   Return Values :  TRUE  - field is valid
+|                    FALSE - field is invalid
++--------------------------------------------------------------------------*/
+static bool
+Check_This_Field(FIELD *field, const void *argp)
+{
+  const thisARG *argn = (const thisARG *)argp;
+  double low = argn->low;
+  double high = argn->high;
+  int prec = argn->precision;
+  unsigned char *bp = (unsigned char *)field_buffer(field, 0);
+  char *s = (char *)bp;
+  double val = 0.0;
+  struct lconv *L = argn->L;
+  char buf[64];
+  bool result = FALSE;
+
+  while (*bp && *bp == ' ')
+    bp++;
+  if (*bp)
+    {
+      if (*bp == '-' || *bp == '+')
+	bp++;
+#if USE_WIDEC_SUPPORT
+      if (*bp)
+	{
+	  bool blank = FALSE;
+	  int state = 0;
+	  int len;
+	  int n;
+	  wchar_t *list = _nc_Widen_String((char *)bp, &len);
+
+	  if (list != 0)
+	    {
+	      result = TRUE;
+	      for (n = 0; n < len; ++n)
+		{
+		  if (blank)
+		    {
+		      if (list[n] != ' ')
+			{
+			  result = FALSE;
+			  break;
+			}
+		    }
+		  else if (list[n] == ' ')
+		    {
+		      blank = TRUE;
+		    }
+		  else if (isDecimalPoint(list[n]))
+		    {
+		      if (++state > 1)
+			{
+			  result = FALSE;
+			  break;
+			}
+		    }
+		  else if (!isDigit(list[n]))
+		    {
+		      result = FALSE;
+		      break;
+		    }
+		}
+	      free(list);
+	    }
+	}
+#else
+      while (*bp)
+	{
+	  if (!isdigit(UChar(*bp)))
+	    break;
+	  bp++;
+	}
+      if (isDecimalPoint(*bp))
+	{
+	  bp++;
+	  while (*bp)
+	    {
+	      if (!isdigit(UChar(*bp)))
+		break;
+	      bp++;
+	    }
+	}
+      while (*bp && *bp == ' ')
+	bp++;
+      result = (*bp == '\0');
+#endif
+      if (result)
+	{
+	  val = atof(s);
+	  if (low < high)
+	    {
+	      if (val < low || val > high)
+		result = FALSE;
+	    }
+	  if (result)
+	    {
+	      sprintf(buf, "%.*f", (prec > 0 ? prec : 0), val);
+	      set_field_buffer(field, 0, buf);
+	    }
+	}
+    }
+  return (result);
+}
+
+/*---------------------------------------------------------------------------
+|   Facility      :  libnform
+|   Function      :  static bool Check_This_Character(
+|                                      int c,
+|                                      const void * argp)
+|
+|   Description   :  Check a character for the numeric type.
+|
+|   Return Values :  TRUE  - character is valid
+|                    FALSE - character is invalid
++--------------------------------------------------------------------------*/
+static bool
+Check_This_Character(int c, const void *argp)
+{
+  const thisARG *argn = (const thisARG *)argp;
+  struct lconv *L = argn->L;
+
+  return ((isDigit(c) ||
+	   c == '+' ||
+	   c == '-' ||
+	   isDecimalPoint(c))
+	  ? TRUE
+	  : FALSE);
+}
+
+static FIELDTYPE typeTHIS =
+{
+  _HAS_ARGS | _RESIDENT,
+  1,				/* this is mutable, so we can't be const */
+  (FIELDTYPE *)0,
+  (FIELDTYPE *)0,
+  Make_This_Type,
+  Copy_This_Type,
+  Free_This_Type,
+  Check_This_Field,
+  Check_This_Character,
+  NULL,
+  NULL
+};
+
+NCURSES_EXPORT_VAR(FIELDTYPE*) TYPE_NUMERIC = &typeTHIS;
+
+/* fty_num.c ends here */