FSST is based on a fixed size (255 items) dictionary of high frequency variable length strings/substrings (learned from the corpus) encoded as one byte.
If you merge PRs that have commit mesages like this, it's easy to arrive at 10000 commits in 6 months:
rename to NodePointer instead
format
Revert "format"
Revert "rename to NodePointer instead"
rename to OptionalNodePtr
woops
update comment
slot renames
more renames