m4

the one true templating language

• https://chrismanbrown.gitlab.io/9.html
• https://web.mit.edu/gnu/doc/html/m4_1.html
• https://mbreen.com/m4.html
• https://elly.town/d/blog/2022-01-05-m4.txt
• https://brainshit-fr.translate.goog/read/275?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-US
• https://www.jpeek.com/articles/linuxmag/2005-02/
• https://www.jpeek.com/articles/linuxmag/2005-03/