IBM Style Guide, The: Conventions for Writers and Editors

Chapter 3. Formatting and organization

Follow these guidelines to format and organize information so that it stands out and is easy to locate.

Headings

Use headings to organize information into a logical structure.

Format of headings

Format headings consistently and logically:

• In books and topic-based information, do not number headings other than chapter titles. Numbering headings and subheadings is acceptable in articles, white papers, quick start guides, and other shorter publications.

• Make sure that the typographic style is consistent for each heading of a particular level in your publication. Use the formatting features of your authoring tool to apply a consistent style.

• Avoid placing one heading directly after another without text ...