documentationcondition

documentationcondition is a term used in documentation engineering to describe a condition, predicate, or rule that determines when a piece of documentation content should be included, rendered, or emitted. It is not a standard feature of all doc systems, but a design pattern used across various documentation tools and workflows.

In practice, a documentationcondition is expressed as a boolean expression over a context such as build configuration, target audience, language, version, or environment. When the condition evaluates to true, the associated content is included; otherwise, it is omitted or replaced with an alternative note.

Common usages include conditional sections in static site generators, API reference docs, or developer guides; for example including performance notes only in a debug build, or showing vendor-specific installation instructions only for certain platforms.

Implementation approaches vary: preprocessor-like directives, templating logic, or specialized metadata tags. Some systems support nesting and logical operators; others offer simple include/exclude flags.

Considerations for use include maintainability, documentation integrity, and reproducibility. Overuse can lead to inconsistencies across builds or releases; therefore, documentationcondition should be documented with clear rules and versioned contexts, and changes should be tracked alongside the documentation content.

See also: conditional content, feature flags, templating, documentation generation.