# Documentation conventions

## Contents

- Overview
- Feature level
- Document level
- Styles

## Overview

This topic provides a quick introduction to the conventions used in this documentation.

## Feature level

The icon indicates that the feature was introduced in EPOC Release 5.

## Document level

A document level icon at the head of a topic tells you when that topic was last revised. The levels are as follows.

##### ER5 Document level

The icon indicates that the topic refers to releases up to and including EPOC Release 5 — which is the EPOC Release current with this documentation.

##### ER3 Document level

The icon indicates that the topic refers to releases only up to and including EPOC Release 3. It is possible that behaviour described in this document has been changed in a later EPOC Release.

## Styles

Style | Type
`File | Open` | Application text and menus
`aVariable`, `Push()` | Code. Note that where type names and constants are mentioned, they are hyperlinked to their detailed discussion in the reference documentation.
note this | Emphasised text containing unusual or surprising information
euhello | Example project. This is hyperlinked to the reference page describing the example.
`e32std.h` | Filename
toolband | Hyperlink to definition in the glossary
`dir` | Input text to enter
ALT+A | Key names
WINS, ARM, M*CORE | Text only applies to the indicated platform
`NUMED` | Resource name, resource struct, or resource struct member
syntax | Syntax element in syntax diagrams and descriptions
Warning | Warning of an important issue