Kaka Farm!
Scheme Macro Guides For A Myriad of Neurological and Emotional Afflictions
Date published:Scheme macros seem to fascinate and attract unhinged people from across the globe, resulting in a series of guides dedicated to the craft of macros for a wide range of brain afflications.
Some examples follow and may be updated in the future.
An Advanced Syntax-Rules Primer for the Mildly Insane by Al Petrofsky:
https://web.archive.org/web/20040930194642/https://petrofsky.org/src/primer.txt
Various comp.lang.scheme discussions:
https://groups.google.com/g/comp.lang.scheme/c/hsM4g33joCA/m/GbZ1F-HGbOsJ
mnieper's Extending a Language
The web page:
https://mnieper.github.io/scheme-macros/README.html
and the source repository:
https://github.com/mnieper/scheme-macros
JRM's Syntax-rules Primer for the Merely Eccentric
A cleaned up version by the talented Zipheir:
https://www.sigwinch.xyz/misc/jrms_syntax-rules_primer.txt
Some other(?) versions:
https://hipster.home.xs4all.nl/lib/scheme/gauche/define-syntax-primer.txt
If you dislike beautifully rendered text files and prefer using uncomfortable PDF files that can never quite fit on a screen or on an e-ink portable device, and do not work well with text-to-speech engines:
http://www.phyast.pitt.edu/~micheles/syntax-rules.pdf
Tag feeds:Kaka Farm by Yuval Langer is licensed under Attribution-ShareAlike 4.0 International 
