Attempt to fix failure to query system fonts.
Hardcode fallback fontfile, associate vals per span-line not per span.
Capture length of spans when lowering runs of inlines.
Fix inlines getting prematurely cut off.
Revert false-fix skipping inline layout if empty, set display: inline upon inherit.
Fix for mixed-child elements on stripping out extraneous whitespace.
Strip out extraneous whitespace.
Repair logic for determining whether elements are inline.
Add support for display: none;
Don't pass empty input to Balkon, is that what's crashing?
Finish refactor allowing for runs of inlines to be captured & passed to Balkon.
Correct `display: initial` to being `inline` rather than `block`.
Enforce harfbuzz scaling to be of Double type.
Actually query for desired font, remove needless Maybe.
Improve font styling & it's configurability, expose font-pattern in output.
Commit missing Inline implementation.
Ensure units are converted correctly between CatTrap & Balkon.
Finish implementing preprocessing/CSS parsing & integrating everything with test script.