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.
 
Expose fontsize in glyphsperfont map.
 
Actually query for desired font, remove needless Maybe.
 
Expose utility to inform atlas construction.
 
Improve font styling & it's configurability, expose font-pattern in output.
 
Commit missing Inline implementation.
 
Ensure units are converted correctly between CatTrap & Balkon.