I made progress on the search engine. I rewrote the thing on top okvs (SRFI 167)
and nstore (SRFI 168). The code is at https://git.sr.ht/~amz3/guile-gotofish for the
time being.

I need to figure important stuff that must be indexed in a scheme search engine.

Here is the list I came up with in not particular order:

Maybe StackOverflow scheme questions?