Re: show whitespace problems by default in diff-mode

[Dan Nicolaescu <dann@ics.uci.edu>]

Miles Bader <miles@gnu.org> writes:

  > Dan Nicolaescu <dann@ics.uci.edu> writes:
  > >   > I can see an argument for turning on highlighting of "introduced
  > >   > trailing whitespace" (not in the context lines) by default for vc-diff
  > >   > of the working tree, but more general ("pedantic") highlighting
  > >   > shouldn't be on by default.
  > >
  > > The feature we are talking about here is exclusively about highlighting
  > > the "introduced trailing whitespace"...
  > 
  > Only in vc-diff against the working tree?

Always, we don't have anything to distinguish between vc-diff and diff
files.

  > I don't like trailing whitespace either, and would be happy if there was
  > an unobtrusive and convenient way to reduce it -- but I also look at
  > lots of diffs where such indications would simply be noise.
  > 
  > [It seems worth noting that diff-mode generally goes to a fair bit of
  > trouble to be restrained in its presentation...]

Which is great if you are a radiologist, so you can distinguish
thousands of nuances of gray.