Hypertext

You can quickly look up the definition of a subword in the text. Position the cursor on the word, in this example the word space, and press <F7>. Go back again with <F8>.  -- Next 

• Hypertext is an intrinsic feature of Holon. It lets you rapidly gain a deep understanding of the project.
• You can study all words down through the inner kernel.
• Every part of the program is present in the source text, clearly defined and commented. 
• A program that is fully understood has no bugs.