Feature/vignette document

This is a lightweight version of `html_document()` suitable for use in package vignettes.

I assume `vignette.css` is in the wrong place, but I wasn't sure where the right place. Please let me know.
Okay, that makes perfect sense.


On Wed, Aug 27, 2014 at 8:23 AM, Hadley Wickham <notifications@github.com>
wrote:

> In R/html_vignette.R:
>
> > +#' Compared to \code{html_document}, it:
> > +#'
> > +#' \itemize{
> > +#'   \item never uses retina figures
> > +#'   \item has a smaller default figure size
> > +#'   \item uses a custom css stylesheet
> > +#'   \item mathjax is disabled by default
> > +#'  }
> > +#'
> > +#' @inheritParams html_document
> > +#' @return R Markdown output format to pass to \code{\link{render}}
> > +#' @export
> > +html_vignette <- function(fig_width = 3.9,
> > +                          fig_height = 3.5,
> > +                          css = NULL,
> > +                          mathjax = NULL,
>
> I disabled it because vignettes are designed for offline reading, so I
> thought it would be better to make it opt-in rather than opt-out.
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/rstudio/rmarkdown/pull/237/files#r16771427>.
>