Depth 0 is the same as `--html`, depth 1 is the same as `--htmls`,
and higher depths cause sections and subsections to be rendered
into separate directories when they have their own pages.
original commit: a0c306e2ed0fe9c367cc939de946576552157dac
In many cases, `path->collects-relative' is used instead of
`path->main-collects-relative' to generalize existing support
for collection-relative paths.
original commit: f87981f96057c26cb311e786a91229bf4a874e5b
The "racket" directory contains a pared-back version of the
repository, roughly.
The "pkgs" directory everything else in the repository, but
organized into packages.
original commit: b2ebb0a28bf8136e75cd98316c22fe54c30eacb2
