Converts a character vector from Rd to Markdown.
The scope argument controls the depth of the transformation.
With scope = "none", no transformations are carried out.
The only effect is that Markdown is enabled for this package.
With scope = "simple", the following elements are converted:
\\code{}
\\emph{}
\\bold{} and \\strong{}
\\href{}
\\url{}
With scope = "full", the following elements are converted in addition:
With scope = "unlink", only the following elements are translated:
With scope = "indent", @param and @return tags spanning multiple lines
are indented with two spaces.