Case's SSG (working title: BM)
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So the idea is this: Source files in any markup language, prepended with
a MIME header a-la email. Like...

----------------------------
Subject: Some cool blog post
Date: Thu, 19 Dec 2024 19:40:38 UTC
Content-Type: text/gemini

Here is a gemini post. It has
=> https://example.com links
and stuff.
----------------------------

or ...

----------------------------
Subject: Some cool blog post
Date: Thu, 19 Dec 2024 19:40:38 UTC
Content-Type: text/html

<p>Here is an html post. It has <a href="https://example.com">links</a>
and stuff too.</p>
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BM does three things:

1. convert the source files into html (if needed)
2. wrap that html in a template
3. spider the result to get a list of next pages to build

basically, you give it index.gmi and it builds it, then collects all the
relative links -- then builds those pages, collecting the links, and so
on, until it bottoms out.  of course it keeps a hashmap of already-built
pages to prevent loops.

~ ~ ~

the thing that was with this but is now broken out is a gemtext->html
converter, which is more generally useful than this project .. plus this
project aims to be able to use *any* source format.

maybe i should also support <file>.mime files, to include MIME headers
outside of a source file ...

anyway that's the gist. thoughts?