Form file structure

A form specification file is defined by a set of sections.

The sections of a form specification file must appear in the following order:

1. SCHEMA section
2. ACTION DEFAULTS section
3. TOPMENU section
4. TOOLBAR section
5. LAYOUT section (or SCREEN section for TUI mode)
6. TABLES section
7. ATTRIBUTES section
8. INSTRUCTIONS section
9. KEYS section (legacy)

Each section must begin with the keyword for which it is named, only the LAYOUT section is mandatory.