[PATCH 2 of 2] css: add text +/- markers to the diff to improve readability for colour blind (fixes #77)

[Andrew Shadura]

Hello,

On Thu, 23 Apr 2015 16:56:55 +0200
Mads Kiilerich <mads at kiilerich.com> wrote:

> I don't know how good or bad the colors are for the different kinds
> of color blindness. Is it solving a real problem? I think it would be
> a better help for color blind if we made sure that the deleted lines
> were darker (and thus with lower contrast) and the context lines were 
> brighter (and thus with lower contrast) so the actually changed lines 
> stood out most clearly.

I personally think colour/brightness coding is a good thing, but it
should never be the only way of conveying useful information, which why
having +/- is a good thing.

> Anyway: Do we need to use yet another column of the precious
> horizontal space for this purpose? Couldn't it reuse the new empty
> column where the comment bubble might show up?

Indeed, this is what I originally wanted to do. Decreasing the margin
width might do.

-- 
Cheers,
  Andrew
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