[ESS-bugs] new font-locking in *.Rnw: [[...]] looks wrong

[Vitalie Spinu]

  >> Martin Maechler <maechler at stat.math.ethz.ch>
  >> on Wed, 26 Sep 2012 10:04:15 +0200 wrote:

  > I should have noticed earlier,
  > but  "of course" did not,...

  > But then, it may not be so important, as we will (?) move to a
  > new shiny  bug-free (:-)  Rnw mode rather sooner than later.

  > Anyway,
  > I attach  foo.Rnw   which is an excerpt of a student's exercise,
  > where in  "  Samp[[p.sd(s), nL]]  "
  > the part inside [[....]]  is  bold-face fontified similar to 
  > 'if' or 'for' ... definitely the wrong font.

I have also noticed this, but didn't bother much. Not sure where it
comes from. It's not our highlighting almost surely. If I do C-u C-x = I
see a correct face name and nothing else that would hint on what is
going on. 

    Vitalie