How to get more than one person to understand the TeXmacs source code?

Question

Only the main author understands most of the TeXmacs source code.What can be done about this situation?

mardiyah · Accepted Answer

Who says only on thisevery code language/syntax is so hard for one, the person who's not the author, to understand itunless it's provided with excellent comments and documentations

How to get more than one person to understand the TeXmacs source code?

Only the main author understands most of the TeXmacs source code.
What can be done about this situation?

Who says only on this
every code language/syntax is so hard for one, the person who's not the author, to understand it
unless it's provided with excellent comments and documentations