Whitespace differences not shown in diff views (e.g. in Magit)

[lckarssen]

Thanks for the nice looking themes! I have been using the eighties version for the past week and ran into the following: in Magit's diff views white space differences are not visible. It looks like this is caused by the fact that the themes set a foreground colour instead of (or in addition to) a background colour.

For example, here is the output of describe-face for the default Emacs theme (with the point at a space I inserted):

Face: diff-refine-added (sample) (customize this face)

Documentation:
Face used for added characters shown by ‘diff-refine-hunk’.

Defined in ‘diff-mode.el’.


           Family: unspecified
          Foundry: unspecified
            Width: unspecified
           Height: unspecified
           Weight: unspecified
            Slant: unspecified
       Foreground: unspecified
DistantForeground: unspecified
       Background: #bbffbb
        Underline: unspecified
         Overline: unspecified
   Strike-through: unspecified
              Box: unspecified
          Inverse: unspecified
          Stipple: unspecified
             Font: unspecified
          Fontset: unspecified
           Extend: unspecified
          Inherit: diff-refine-changed

  This face was introduced, or its default value was changed, in
  version 24.3 of Emacs.

Here is the same info for the tomorrow-blue theme:

Face: diff-refine-added (sample) (customize this face)

Documentation:
Face used for added characters shown by ‘diff-refine-hunk’.

Defined in ‘diff-mode.el’.


           Family: unspecified
          Foundry: unspecified
            Width: unspecified
           Height: unspecified
           Weight: unspecified
            Slant: unspecified
       Foreground: #99ffff
DistantForeground: unspecified
       Background: unspecified
        Underline: unspecified
         Overline: unspecified
   Strike-through: unspecified
              Box: unspecified
          Inverse: unspecified
          Stipple: unspecified
             Font: unspecified
          Fontset: unspecified
           Extend: unspecified
          Inherit: unspecified

  This face was introduced, or its default value was changed, in
  version 24.3 of Emacs.

I have tried the blue, eighties and night versions.