internal/

Package ansidecode turns the ANSI string htmlterm's Render produces back into structured styled runs, for consumers that aren't a terminal.

Package cssengine owns htmlterm's CSS parsing, selector matching, and cascade resolution.

Package render owns htmlterm's HTML/CSS layout engine and render-state production.

Package textcell measures and manipulates already-rendered terminal text in *cells*, the unit a terminal charges for, rather than in bytes or runes.