Crystallographic Information Framework

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DDL dictionary version 2.1.6

_item_type_list.construct

Name:
'_item_type_list.construct'

Definition:

   
    When a data value can be defined as a pre-determined sequence of 
    characters, or optional characters, or data names (for which the
    definition is also available), it is specified as a construction.
    The rules of construction conform to the the regular expression
    (REGEX) specificatiopns detailed in the IEEE document P1003.2
    Draft 11.2 Sept 1991 (ftp file '/doc/POSIX/1003.2/p121-140').
    Resolved data names for which _item_type_list.construct 
    specifications exist are replaced by these constructions, 
    otherwise the data name string is not replaced.

Example:

{_year}-{_month}-{_day} typical construction for _date

Type: text

Mandatory item: no

Category: item_type_list