DocBook: The Definitive Guide

docbook: the definitive guide
By Norman Walsh & Leonard Muellner
1st Edition October 1999
1-56592-580-7, Order Number: 5807
652 pages, $36.95 , Includes CD-ROM

DocBook: The Definitive Guide
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Name

ULink -- A link that addresses its target by means of a URL (Uniform Resource Locator)

Synopsis

Mixed Content Model

ULink ::= ((#PCDATA|FootnoteRef|XRef|Abbrev|Acronym|Citation|CiteRefEntry|   CiteTitle|Emphasis|FirstTerm|ForeignPhrase|GlossTerm|Footnote|   Phrase|Quote|Trademark|WordAsWord|Link|OLink|ULink|Action|   Application|ClassName|Command|ComputerOutput|Database|Email|   EnVar|ErrorCode|ErrorName|ErrorType|Filename|Function|GUIButton|   GUIIcon|GUILabel|GUIMenu|GUIMenuItem|GUISubmenu|Hardware|   Interface|InterfaceDefinition|KeyCap|KeyCode|KeyCombo|KeySym|   Literal|Constant|Markup|MediaLabel|MenuChoice|MouseButton|   MsgText|Option|Optional|Parameter|Prompt|Property|Replaceable|   ReturnValue|SGMLTag|StructField|StructName|Symbol|SystemItem|   Token|Type|UserInput|VarName|Anchor|Author|AuthorInitials|   CorpAuthor|ModeSpec|OtherCredit|ProductName|ProductNumber|   RevHistory|Comment|Subscript|Superscript|InlineGraphic|   InlineMediaObject|InlineEquation|Synopsis|CmdSynopsis|   FuncSynopsis|IndexTerm)+)

Attributes

Common attributes

Name

Type

Default

TypeCDATANone
URLCDATARequired

Tag Minimization

Both the start- and end-tags are required for this element.

Parameter Entities

%cptr.char.mix;%docinfo.char.mix;%indexdivcomponent.mix;
%link.char.class;%ndxterm.char.mix;%para.char.mix;
%programlisting.content;%refinline.char.mix;%screen.content;
%tbl.entry.mdl;%title.char.mix;%word.char.mix;

Description

The ULink element forms the equivalent of an HTML anchor (<A HREF="...">) for cross reference by a Uniform Resource Locator (URL).

Processing expectations

Formatted inline. When rendered online, it is natural to make the content of the ULink element an active link. When rendered in print media, the URL might be ignored, printed after the text of the link, or printed as a footnote.

Linking elements must not be nested within other linking elements (including themselves). Because DocBook is harmonizing towards XML, this restriction cannot easily be enforced by the DTD. The processing of nested linking elements is undefined.

(4.0) Future Changes

The InterfaceDefinition element will be discarded in DocBook V4.0. It will no longer be available in the content model of this element.

Parents

These elements contain ULink: Abbrev, Ackno, Acronym, Action, Application, ArtPageNums, Attribution, AuthorInitials, BiblioMisc, BridgeHead, Citation, CiteTitle, City, CollabName, Command, Comment, ComputerOutput, ConfDates, ConfNum, ConfSponsor, ConfTitle, ContractNum, ContractSponsor, Contrib, CorpAuthor, CorpName, Country, Database, Date, Edition, Email, Emphasis, entry, Fax, Figure, Filename, FirstName, FirstTerm, ForeignPhrase, FuncParams, FuncSynopsisInfo, Function, GlossSee, GlossSeeAlso, GlossTerm, Hardware, Holder, Honorific, IndexDiv, InformalFigure, Interface, InterfaceDefinition, InvPartNumber, ISBN, ISSN, IssueNum, JobTitle, KeyCap, Label, Lineage, LineAnnotation, Link, Literal, LiteralLayout, LoTentry, ManVolNum, Member, ModeSpec, MsgAud, OLink, Option, Optional, OrgDiv, OrgName, OtherAddr, OtherName, PageNums, Para, Parameter, Phone, Phrase, POB, Postcode, Primary, PrimaryIE, ProductName, ProductNumber, ProgramListing, Property, PubDate, PublisherName, PubsNumber, Quote, RefEntry, RefEntryTitle, RefMiscInfo, RefNameDiv, RefPurpose, ReleaseInfo, Replaceable, RevNumber, RevRemark, Screen, ScreenInfo, Secondary, SecondaryIE, See, SeeAlso, SeeAlsoIE, SeeIE, Seg, SegTitle, SeriesVolNums, ShortAffil, SimPara, State, Street, Subscript, Subtitle, Superscript, Surname, Synopsis, SystemItem, Term, Tertiary, TertiaryIE, Title, TitleAbbrev, ToCback, ToCentry, ToCfront, Trademark, ULink, UserInput, VolumeNum, WordAsWord, Year.

Children

The following elements occur in ULink: Abbrev, Acronym, Action, Anchor, Application, Author, AuthorInitials, Citation, CiteRefEntry, CiteTitle, ClassName, CmdSynopsis, Command, Comment, ComputerOutput, Constant, CorpAuthor, Database, Email, Emphasis, EnVar, ErrorCode, ErrorName, ErrorType, Filename, FirstTerm, Footnote, FootnoteRef, ForeignPhrase, FuncSynopsis, Function, GlossTerm, GUIButton, GUIIcon, GUILabel, GUIMenu, GUIMenuItem, GUISubmenu, Hardware, IndexTerm, InlineEquation, InlineGraphic, InlineMediaObject, Interface, InterfaceDefinition, KeyCap, KeyCode, KeyCombo, KeySym, Link, Literal, Markup, MediaLabel, MenuChoice, ModeSpec, MouseButton, MsgText, OLink, Option, Optional, OtherCredit, Parameter, Phrase, ProductName, ProductNumber, Prompt, Property, Quote, Replaceable, ReturnValue, RevHistory, SGMLTag, StructField, StructName, Subscript, Superscript, Symbol, Synopsis, SystemItem, Token, Trademark, Type, ULink, UserInput, VarName, WordAsWord, XRef.

In some contexts, the following elements are allowed anywhere: BeginPage, IndexTerm.

In some contexts, the following elements are excluded: Acronym, Footnote, IndexTerm.

Attributes

Type

Type is available for application-specific customization of the linking behavior.

URL

URL specifies the Uniform Resource Locator that is the target of the ULink.

See Also

Anchor, Link, OLink, XRef

Examples

<!DOCTYPE para PUBLIC "-//OASIS//DTD DocBook V3.1//EN"> <para> For more information, see the O'Reilly catalog entry for <ulink url="http://www.ora.com/catalog/tex/"><citetitle>Making TeX Work</citetitle></ulink>. </para>

For more information, see the O'Reilly catalog entry for Making TeX Work.

For additional examples, see also BookInfo, OLink, ProductNumber, SystemItem.


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DocBook. The Definitive Guide
DocBook 5: The Definitive Guide
ISBN: 0596805020
EAN: 2147483647
Year: 1999
Pages: 412
Authors: Walsh Norman, Richard L. Hamilton
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