{
{    Creates a new field in a template file.
{
{       AVP$CREATE_FIELD (FIELD_NAME, DESCRIPTION_RECORD_NAME,
{             TYPE_SPECIFICATION, DEFAULT_VALUE, DESCRIPTIVE_TEXT,
{             UTILITY_INFORMATION, FILE_INFORMATION, STATUS)
{
{ FIELD_NAME: (input) Name of the template field to be created.
{
{ DESCRIPTION_RECORD_NAME: (input) Name of the description record where the
{       field should be created.
{
{ TYPE_SPECIFICATION: (input) Type specification for the field being created.
{
{ DEFAULT_VALUE: (input) Default value for the field being created.
{
{ DESCRIPTIIVE_TEXT: (input) Descriptive text for the field.
{
{ UTILITY_INFO: (input) Pointer to the utility information for the field.
{
{ STATUS: (output) Variable in which the completion status is returned.
{       CONDITIONS:
{             ave$field_already_exists
{             ave$field_directory_full
{             ave$unknown_description_record
{             ave$template_file_full
{
