WYSIWYG editor in a computer algebra language

[compsystems]

Hello

I leave you a link to a series of videos that show the execution of the source code of the fractals ported from BASIC to SMathStudio language
by Dr. Urroz Gilberto E.

Initial video in Spanish:
https://youtu.be/z6ehLEEb714?list=PLxR0Y...4acH4pt8Qg

Initial video in English:




What innovation does the SMathStudio programming language have? Since it does not require keywords to close the cyclic structures and so on, since it uses the tabulation with vertical lines to navigate a structure as shown in the following image



This idea should be replicated in modern calculator languages.