<delim>
The <delim> element defines a character marking the beginning or
         end of a section within a syntax diagram. Typical delimiter characters are the parenthesis,
         comma,
         tab, vertical bar or other special characters. 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/ph pr-d/delim
Example
<syntaxdiagram> <title>Adding</title> <groupseq><kwd>1</kwd><oper>+</oper><var>two</var><delim>=</delim> <kwd>something</kwd> </groupseq> </syntaxdiagram>
Attributes
The following attributes are available on this element: Universal attribute group (with a narrowed definition of @importance, given below) and @outputclass.
- @importance
 - The attribute indicates whether this item in a
                        syntax diagram is optional or
                        required. 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.
 - -dita-use-conref-target
 - See Using the -dita-use-conref-target value for more information.