these functions build the header function and the footer function
used by the html renderer
Usage
header_html(document, stylesheet)
footer_html(document)
Value
header and footer functions.
Arguments
document
logical. If TRUE the built header and footer
functions will return the beginning and end
of a full html document. If FALSE, the built functions will
only return the opening and closing <pre> tags.
stylesheet
stylesheet to use. See getStyleFile for details
on where the stylesheet can be located.
See Also
renderer_html uses these functions to create a renderer
suitable for the renderer argument of highlight