oper
The oper element defines an operator within a syntax definition. Typical operators are equals (=), plus (+) or multiply (*). 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/oper
Example 398. 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, required, or default. Output processors can 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
Parent topic