<kwd>
The <kwd> element defines a keyword within a syntax diagram. A
         keyword is typed or output, either by the user or application,
         exactly as specified in the syntax definition. This element
            is part of the DITA programming domain, a special set of DITA elements
            designed to document programming tasks, concepts, and reference information.
      Content models
See appendix for information about this element in OASIS document type shells.
Inheritance
+ topic/keyword pr-d/kwd
Example
<syntaxdiagram frame="bottom"> <title>CopyFile</title> <groupseq><kwd>COPYF</kwd></groupseq> <groupcomp><var>input-filename</var><kwd>*INFILE</kwd></groupcomp> <groupseq><var>output-filename</var><kwd>*OUTFILE</kwd></groupseq> <groupchoice><var>input-filename</var><kwd>*INFILE</kwd></groupchoice> <groupchoice><var>output-filename</var><kwd>*OUTFILE</kwd></groupchoice> </syntaxdiagram>
Attributes
The following attributes are available on this element: Universal attribute group (with a narrowed definition of @importance, given below), @outputclass, and @keyref.
- @importance
 - The attribute indicates whether this item in a
                     syntax diagram is optional,
                     required, or
                     default. Output processors might indicate this
                     designation in a generated diagram. Allowable
                     values are: 
                     
- optional
 - This section of the syntax is optional.
 - required
 - This section of the syntax is required.
 - default
 - This section of the syntax is used by default or has this default value.
 - -dita-use-conref-target
 - See Using the -dita-use-conref-target value for more information.