Sourcetype color = int * int * int Sourcetype align = | Left| Center| Right
Sourcetype t = {size : float;bold : bool;italic : bool;underline : bool;strike : bool;monospace : bool;color : color;link : string option;pre : bool;align : align;link_color : color;visited_color : color;base : float;extensions : bool;
} Sourceval root : ?extensions:bool -> size:float -> unit -> t Sourceval font_scale : string -> float option Sourcetype display = | Block| Inline| Rule| Hidden
Sourcetype box = {display : display;margin_top : float;margin_bottom : float;indent : float;right : float;background : color option;
} Sourceval styled : parent:t -> t -> (string * string) list -> t Sourceval length : em:float -> ?percent:float -> string -> float option