browsable
can be used to make specific objects render as HTML
by default when printed at the console.
browsable(x, value = TRUE)
is.browsable(x)
browsable
returns x
with an extra attribute to indicate
that the value is browsable.is.browsable
returns TRUE
if the value is browsable, or
FALSE
if not.
browse = TRUE
(or FALSE
) to the print
function.