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sect4 — A subsection within a Sect3
sect4 ::= (sect4info?, (title,subtitle?,titleabbrev?), (toc|lot|index|glossary|bibliography)*, (((calloutlist|glosslist|bibliolist|itemizedlist|orderedlist|segmentedlist|simplelist|variablelist|caution|important|note|tip|warning|literallayout|programlisting|programlistingco|screen|screenco|screenshot|synopsis|cmdsynopsis|funcsynopsis|classsynopsis|fieldsynopsis|constructorsynopsis|destructorsynopsis|methodsynopsis|formalpara|para|simpara|address|blockquote|graphic|graphicco|mediaobject|mediaobjectco|informalequation|informalexample|informalfigure|informaltable|equation|example|figure|table|msgset|procedure|sidebar|qandaset|task|productionset|constraintdef|anchor|bridgehead|remark|highlights|abstract|authorblurb|epigraph|indexterm|beginpage)+, ((refentry)*|sect5*|simplesect*))| (refentry)+|sect5+|simplesect+), (toc|lot|index|glossary|bibliography)*)
| 
                         Name  | 
                     
                         Type  | 
                     
                         Default  | 
                  |||||
| status | CDATA | None | |||||
| renderas | 
                        
  | 
                     None | |||||
| label | CDATA | None | 
               A Sect4 is a fourth-level section in a document.
               
            
The following elements occur in sect4:
                  abstract, address, anchor, authorblurb, beginpage, bibliography, bibliolist, blockquote, bridgehead, calloutlist, caution, classsynopsis, cmdsynopsis, constraintdef, constructorsynopsis, destructorsynopsis, epigraph, equation, example, fieldsynopsis, figure, formalpara, funcsynopsis, glossary, glosslist, graphic, graphicco, highlights, important, index, indexterm, informalequation, informalexample, informalfigure, informaltable, itemizedlist, literallayout, lot, mediaobject, mediaobjectco, methodsynopsis, msgset, note, orderedlist, para, procedure, productionset, programlisting, programlistingco, qandaset, refentry, remark, screen, screenco, screenshot, sect4info, sect5, segmentedlist, sidebar, simpara, simplelist, simplesect, subtitle, synopsis, table, task, tip, title, titleabbrev, toc, variablelist, warning.
               
                        Label specifies an identifying string for presentation purposes.
                        
                     
                        Generally, an explicit Label attribute is
                        used only if the processing system is incapable of generating the label
                        automatically. If present, the Label 
                        is normative; it will used even
                        if the processing system is capable of automatic labelling.
                        
                     
                        The RenderAs attribute identifies how the
                        section should be rendered. In this way, a section at one level of the
                        structural hierarchy can be made to appear to be at another level.
                        
                     
                        Status identifies the editorial or publication 
                        status of the Sect4.
                        
                     
Publication status might be used to control formatting (for example, printing a “draft” watermark on drafts) or processing (perhaps a document with a status of “final” should not include any components that are not final).