Fix style: unnecessary do notation.

Fix style: white space in lambdas.

Fix style: white space around operators.

Fix style: white space in multi-line lists.

Fix style: white space in exports and imports.

Fix style: bullet points in comments.

Fix style: non-ASCII characters in comments.

Fix style: remove duplicate spaces.

Mark some lists as explicitly non-empty.

Fix typos in comments.

Bump version to 0.2.1.1.

Set release date for v0.2.1.0.

Fix data types in harfbuzz-pure.

Improve documentation for pagination.

Prepare pagination for future layout types.

Add paragraph pagination.

Bump version to 0.2.1.0.

Implement splitting ParagraphLayout into lines.

Implement generic pagination internally.

Better format ParagraphConstruction documentation.