In due course, we should install the relevant ISO 2- and 3-letter codes as the enumerated possible values . . .

"- topic/itemgroup "

The class attribute supports specialization. »

may appear between child elements

The phrase (<ph>) element is used to organize content for reuse or conditional processing (for example, when part of a paragraph applies to a particular audience). »

The code phrase (<codeph>) element represents a snippet of code within the main flow of text. »

The syntax phrase (<synph>) element is a container for syntax definition elements. »

The user interface control (<uicontrol>) element represents a button, entry field, menu item, or other object that allows the user to control the interface. »

The <menucascade> element is used to document a series of menu choices, or to show any choice on a menu from which the user needs to choose. »

The superscript (<sup>) element indicates that text should be superscripted, or vertically raised in relationship to the surrounding text. »

A subscript (<sub>) indicates that text should be subscripted, or placed lower in relationship to the surrounding text. »

The teletype (<tt>) element is used to apply monospaced highlighting to the content of the element. »

The bold (<b>) element is used to apply bold highlighting to the content of the element. »

The underline (<u>) element is used to apply underline highlighting to the content of the element. »

The italic (<i>) element is used to apply italic highlighting to the content of the element. »

The message phrase (<msgph>) element contains the text content of a message produced by an application or program. »

The <filepath> element indicates the name and optionally the location of a referenced file by specifying the directory containing the file, and other directories that may precede it in the system hierarchy. »

The user input (<userinput>) element represens the text a user should input in response to a program or system prompt. »

The system output (<systemoutput>) element represents computer output or responses to a command or situation. »

The <term> element identifies words that represent extended definitions or explanations. »

Use the cross-reference (<xref>) element to link to a different location within the current topic, or a different topic within the same help system or DITA document. »

The <cite> element is used when you need a bibliographic citation that refers to a book or article. »

A quotation element (<q>) indicates content quoted from another source. »

The <state> element specifies a name/value pair whenever it is necessary to represent a named state that has a variable value. »

( Deprecated ) - The <boolean> element is used to express one of two opposite values, such as yes or no, on or off, true or false, high or low, and so forth. »

The <keyword> element identifies a keyword or token, such as a single value from an enumerated list, the name of a command or parameter, or a lookup key for a message (contrast with term).

The <option> element describes an option that can be used to modify a command (or something else, like a configuration). »

When referencing the name of an application programming interface parameter within the text flow of your topic, use the parameter name (<parmname>) element to markup the parameter. »

The <apiname> element provides the name of an application programming interface (API) such as a Java class name or method name. »

The window title <wintitle> element represents the title text that appears at the top of a window or dialog, and applies to wizard titles, wizard page titles, and pane titles. »

The message number (<msgnum>) element contains the number of a message produced by an application or program. »

The variable name (<varname>) element defines a variable that must be supplied to a software application. »

The command name (<cmdname>) element specifies the name of a command when it is part of a software discussion. »

The trademark (<tm>) element in DITA is used to markup and identify a term or phrase that is trademarked. »

A paragraph element (<p>) is a block of text containing a single main idea.

TThe long quote (<lq>) element indicates content quoted from another source. »

A <note> element contains information, differentiated from the main text, which expands on or calls attention to a particular point.

A definition list (<dl>) is a list of terms and corresponding definitions. »

The parameter list (<parml>) element contains a list of terms and definitions that describes the parameters in an application programming interface. »

In an unordered list (<ul>), the order of the list items is not significant. »

An ordered list (<ol>) is a list of items sorted by sequence or order of importance.

The <sl> element contains a simple list of items of short, phrase-like content, such as in documenting the materials in a kit or package.

The preformatted element (<pre>) preserves line breaks and spaces entered manually by the author in the content of the element, and also presents the content in a monospaced type font (depending on your output formatting processor).

The <codeblock> element represents lines of program code. »

The <screen> element contains or refers to a textual representation of a computer screen or user interface panel (window).

The message block (<msgblock>) element contains a multi-line message or set of messages. »

The <lines> element may be used to represent dialogs, lists, text fragments, and so forth. »

The figure (<fig>) element is a display context (sometimes called an exhibit) with an optional title for a wide variety of content. »

The syntax diagram (<syntaxdiagram>) element is the main container for all the syntax elements that make up a syntax definition. »

The imagemap element supports the basic functionality of the HTML client-side image map markup.

Include artwork or images in a DITA topic by using the <image> element. »

DITA's <object> element corresponds to the HTML <object> element. »

The <table> element organizes arbitrarily complex relationships of tabular information. »

The <simpletable> element is used for tables that are regular in structure and do not need a caption. »

The <draft-comment> element allows simple review and discussion of topic contents within the marked-up content. »

A <required-cleanup> element is used as a placeholder for migrated elements that cannot be appropriately tagged without manual intervention. »

Use footnote (<fn>) to annotate text with notes that are not appropriate for inclusion in line or to indicate the source for facts or other material used in the text.

An <indextermref> is a reference to an index entry in a lookup table used by the indexing process. »

An <indexterm> is an index entry. »

The <data> element represents a property within a DITA topic or map. »

The <data-about> element identifies the subject of a property when the subject isn't associated with the context in which the property is specified. »

The <foreign> element is an open extension that allows information architects to incorporate existing standard vocabularies for non-textual content. like MathML and SVG, as inline objects. »

The <unknown> element is an open extension that allows information architects to incorporate xml fragments that does not necessarily fit into an exisitng DITA use case. »