Description
This element identifies the summary or statement of the content of the article. Apart from the main article abstract, there may be secondary abstracts and translations of these abstracts.
Note that the <title> element is optional and repeatable, within the mix of other elements (so does not even have to occur first, if present at all).
In the rare occurrence that a structured article does not contain an abstract, this element must still be used because it is a required element. In this case, simply add a <comment> element containing text such as "there is no abstract".
Parent Elements
The elements listed below may directly contain this element. They are "parent" elements. Elements in referenced groups are included, up to two levels of group nesting.
Model Diagram
The DTD model for this element:
--+(repeatable choice)
  |  
  |-- title  -- (TEXT and elements)
  |  
  |-- para  -- (TEXT and elements)
  |  
  |-- figure  -- (elements)
  |  
  |-- formaltable  -- (elements)
  |  
  |-- graphic  
  |  
  |-- informaltable  -- (elements)
  |  
  |-- chemeqn  -- (elements)
  |  
  |-- unnumchemeqn  -- (elements)
  |  
  |-- formula  -- (TEXT and elements)
  |  
  |-- compound  -- (elements)
  |  
  |-- structure  
  |  
  |-- matheqn  -- (elements)
  |  
  |-- unnummatheqn  -- (elements)
  |  
  |-- simplelist  -- (elements)
  |  
  |-- itemizedlist  -- (elements)
  |  
  |-- orderedlist  -- (elements)
  |  
  |-- deflist  -- (elements)
  |  
  |-- extract  -- (elements)
  |  
  |-- poem  -- (elements)
  |  
  |-- exam  -- (elements)
  |  
  |-- computertext  -- (TEXT and elements)
  |  
  |-- address-text  -- (TEXT and elements)
  |  
  |-- supplementmaterial  -- (elements)
  |  
  |-- comment  -- TEXT
DTD Definition
The DTD contains the following element and attribute definitions (note that embedded links are to definitions within the DTD page of this guide):
<!ELEMENT abstract                       (title | para | figure | formaltable | graphic | informaltable | 
                                              chemeqn | unnumchemeqn | formula | compound | 
                                              structure | matheqn | unnummatheqn | 
                                              simplelist | itemizedlist | orderedlist | deflist | 
                                              extract | poem | exam | computertext | address-text | 
                                              supplementmaterial | 
                                              comment)+>
<!ATTLIST abstract
                type                     (primary | graphical)  #IMPLIED 
               %a-group-CommonIDAttrs;>
.
Defined in DTD section Front Matter
General Attributes (shared with other elements)
Common Optional ID Attributes (a-group-CommonIDAttrs)
Local Attributes (defined for this element alone)
Attribute: type
Introduced in version 1.9.
Description
When an article contains multiple abstract elements (other than translated abstracts) this attribute can be used to distinguish the use of each abstract. Allowed values are:
-
(blank) / primary - There is no default value. The first abstract in the article is normally the abstract used for display on the article's online abstract page and for indexing. The value "primary" may be used to explicitly indicate the same.
-
graphical - Graphical abstracts contain only images, possibly with captions, and are sometimes included in addition to an articles' primary abstract or as the articles' only abstract. Though not restricted by the DTD, graphical abstracts should contain only a <title> (which is optional) and <figure> elements.
Specification
This attribute is not required. The allowed values are "primary" and "graphical".
DTD Definition
                type                     (primary | graphical)  #IMPLIED 
.