REBOL 3 Docs Guide Concepts Functions Datatypes Errors

REBOL 3 Documentation

This is the official documentation for the REBOL language.


Work in progress: Many of these sections were created from the existing R2 Core Users Guide, which is out-of-date. Many changes are required for R3, and we are working on those.


  • Guide - a short practical introduction
  • Concepts - deeper descriptions and theory
  • Functions - standard functions (dictionary)
  • Datatypes - built-in datatypes
  • Errors - catalog of messages
  • TOC - the full table of contents

Other key links

This is a Wiki

This documentation is built with WIP Wiki a lightweight (only 50 KB) REBOL-based wiki engine. These pages can be easily edited, corrected, and extended by REBOL experts.


Expanded Content - Sep 2010

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