This 5 line #awk program prints #gemini documents with syntax highlighting and numbered links.
https://git.sr.ht/~chambln/gmi/tree/ba42a734/item/contrib/gemtext.awk
@chambln generating html from gemtext with sex is similarly easy
s/&/\&/g s/</\</g s/>/\>/g /```/,/```/s,^(.*)$,<code>\1</code>,g s,^---+$,<hr />,g s,^# (.+)$,<a role=heading aria-level=1># \1</a>,g s,^## (.+)$,<a role=heading aria-level=2>## \1</a>,g s,^### (.+)$,<a role=heading aria-level=3>### \1</a>,g s,^=> https:\/\/youtu\.be\/([^ ]+?)$,<iframe frameborder=0 src="https://notyoutube.org/embed/\1"></iframe>,g s,^=> https:\/\/youtu\.be\/([^ ]+?) (.+)$,<iframe frameborder=0 src="https://notyoutube.org/embed/\1" title="\2"></iframe>,g s,^=> https:\/\/youtube\.com\/watch\?v=([^ ]+?)$,<iframe frameborder=0 src="https://notyoutube.org/embed/\1"></iframe>,g s,^=> https:\/\/youtube\.com\/watch\?v=([^ ]+?) (.+)$,<iframe frameborder=0 src="https://notyoutube.org/embed/\1" title="\2"></iframe>,g s,^=> https:\/\/www\.youtube\.com\/watch\?v=([^ ]+?)$,<iframe frameborder=0 src="https://notyoutube.org/embed/\1"></iframe>,g s,^=> https:\/\/www\.youtube\.com\/watch\?v=([^ ]+?) (.+)$,<iframe frameborder=0 src="https://notyoutube.org/embed/\1" title="\2"></iframe>,g s,^=> ([^ ]+?\.)(gif|jpe?g|png|svg) (.+)$,<img src="\1\2" alt="\3">,g s,^=> ([^ ]+?\.)(gif|jpe?g|png|svg)$,<img src="\1\2">,g s,^=> ([^ ]+?\.)(mp4|webm) (.+)$,<video src="\1\2" alt="\3">,g s,^=> ([^ ]+?\.)(mp4|webm)$,<video src="\1\2">,g s,^=> ([^ ]+)$,<a role=link href="\1">=\> \1</a>,g s,^=> ([^ ]+?) (.+)$,<a role=link href="\1">=\> \2</a>,g s,^>(.+)$,<blockquote>\1</blockquote>,g
@chambln Mind blowing
Server run by the main developers of the project 
It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!
I'm not sure if this says more about the concise power of #awk or the simplicity of #gemini markup.