Module markdown 

A purpose-built markdown → styled-lines renderer for the document pane.

Not a general CommonMark engine: OKF bodies are deliberately simple, and okf-core already ships the hard parts (heading extraction, link parsing, footnote scanning). The renderer’s extra job over plain text is the link focus map: every rendered link and footnote reference records its line so the viewer can Tab-cycle and Enter-follow them.

Structs

FocusTarget

One focusable element and the rendered line it starts on.

HeadingPos

A heading’s position in the rendered output.

RenderedDoc

The rendered document: styled lines plus the focus and jump maps.

Enums

FocusKind

What a focusable element in the rendered document points at.

Functions

char_width

Display width of a char: a small wcwidth approximation on std.

render_document

Renders a document body at a pane width.

str_width

Display width of a string.

truncate_to_width

Truncates s to at most max display columns, appending … when cut.