Documentation conventions Learn about documentation conventions regarding syntax, warnings, code examples, and enhancement references. Syntax diagramsA syntax diagram describes the context-free, abstract grammar of a product function.Warnings, notes and tipsDocumentation notes focus on a technical fact you must be aware of.Code examplesCode examples contain code that can be copied as-is.Enhancement referencesIn some parts of the documentation you can find enhancement reference notes with a number identifying the request in our internal database.