Re: Turning off colorization

[Ted Zlatanov <tzz@lifelogs.com>]

On Wed, 05 Nov 2014 11:52:04 +0000 phillip.lord@newcastle.ac.uk (Phillip Lord) wrote: 

PL> Ted Zlatanov <tzz@lifelogs.com> writes:

>> So maybe Emacs could offer a way to turn off colors without turning off
>> syntax highlighting, at least in SHR. I think it would be generally
>> useful, but don't know if and how it could work generally.

PL> This would be a matter of picking a different "colour" scheme surely?
PL> One with no colours, but using the other elements that you talk about.
PL> I have a high-vis colour scheme (white background rather than my usual
PL> dark) which I use on my laptop on a sunny day, for instance.

PL> Then a command line option to choose it, to avoid the bootstrap problem
PL> of not being able to see emacs properly to choose the option.

I think that's reasonable, and Tassilo agrees...

PL> Of course, you'd need to ask an accessibility expert as to whether this
PL> would help or not.

I think it's clear that it would help Emacs users, but opinions welcome...

On Wed, 05 Nov 2014 12:51:56 +0100 Tassilo Horn <tsdh@gnu.org> wrote: 

TH> Wouldn't it suffice to provide a `no-colors' theme that sets up the
TH> standard font-lock faces so that they don't use colors but only bold
TH> fonts, italics, underline, etc?

TH> Probably, that wouldn't suffice because redefining each and every face
TH> defined by some package isn't feasible.  But maybe that "theme" could
TH> also advise `defface' and friends and strip color attributes from
TH> face-specs.

I'd be OK with this, but don't know if it's enough or easy.

Ted