Tag another release.

Use importlib from stdlib (if possible)

* naimetti/format-nongpl:
  format_nongpl docs, and style fixes
  Add format validators as separate modules
  non GPL format option

* commit 'a40ce648':
  Squashed 'json/' changes from 4e6c78b4..689d2f28

689d2f28 Add a 'latest' symlink.
e26d9bce Move the anchor-related tests to an anchor file.
19e7dfe9 Change location-independent IDs to use $anchor.

git-subtree-dir: json
git-subtree-split: 689d2f28182720d3778ca91c149f725a6ce73f71

This reverts commit 1a02f547, reversing
changes made to cbb222c1.

Also ugh. -q for spelling hides the actual misspelled words.

Will need to fix that at some point.