Sidebar ::= ((Title,TitleAbbrev?)?, (CalloutList|GlossList|ItemizedList|OrderedList|SegmentedList| SimpleList|VariableList|Caution|Important|Note|Tip|Warning| LiteralLayout|ProgramListing|ProgramListingCO|Screen|ScreenCO| ScreenShot|Synopsis|CmdSynopsis|FuncSynopsis|FormalPara|Para| SimPara|Address|BlockQuote|Graphic|GraphicCO|MediaObject| MediaObjectCO|InformalEquation|InformalExample|InformalFigure| InformalTable|Equation|Example|Figure|Table|Procedure|Anchor| BridgeHead|Comment|Highlights|IndexTerm)+)
Both the start- and end-tags are required for this element.
A Sidebar is a short piece of text, rarely longer than a single column or page, that is presented outside the narrative flow of the main text.
Sidebars are often used for digressions or interesting observations that are related, but not directly relevant, to the main text.
Formatted as a displayed block. Sidebars are sometimes boxed.
DocBook does not specify the location of the Sidebar within the final displayed flow of text. The wrapper may float or remain where it is located.
These elements contain Sidebar: Appendix, Article, BiblioDiv, Bibliography, BlockQuote, Callout, Caution, Chapter, Glossary, GlossDiv, Important, Index, ListItem, MsgExplan, MsgText, Note, PartIntro, Preface, Procedure, RefSect1, RefSect2, RefSect3, RefSynopsisDiv, Sect1, Sect2, Sect3, Sect4, Sect5, Section, SetIndex, SimpleSect, Step, Tip, Warning.
The following elements occur in Sidebar: Address, Anchor, BlockQuote, BridgeHead, CalloutList, Caution, CmdSynopsis, Comment, Equation, Example, Figure, FormalPara, FuncSynopsis, GlossList, Graphic, GraphicCO, Highlights, Important, IndexTerm, InformalEquation, InformalExample, InformalFigure, InformalTable, ItemizedList, LiteralLayout, MediaObject, MediaObjectCO, Note, OrderedList, Para, Procedure, ProgramListing, ProgramListingCO, Screen, ScreenCO, ScreenShot, SegmentedList, SimPara, SimpleList, Synopsis, Table, Tip, Title, TitleAbbrev, VariableList, Warning.
In some contexts, the following elements are allowed anywhere: BeginPage, IndexTerm.
In some contexts, the following elements are excluded: Caution, Equation, Example, Figure, Important, IndexTerm, InformalTable, Note, Table, Tip, Warning.
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook V3.1//EN"> <sect1><title>An Example Section</title> <para> Some narrative text. </para> <sidebar><title>A Sidebar</title> <para> Sidebar content. </para> </sidebar> <para> The continuing flow of the narrative text, as if the sidebar was not present. </para> </sect1>
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