Re: Why do themes stack?

[torys.anderson@gmail.com (Tory S. Anderson)]

Ah--themes can be mode specific! I had no idea. Thanks for the revelation. 

Artur Malabarba <bruce.connor.am@gmail.com> writes:

> Because then you can have different themes which apply to different
> faces. 
>
> For instance, if you really like Magit you could release a theme that
> only customizes Magit faces. 
>
> If themes didn't stack, nobody would ever use your theme because it
> doesn't do anything outside Magit buffers. Since themes DO stack,
> users can use your theme in addition to their global theme. This way,
> people get all the Magit-dedicated love of your theme while still
> having another nice theme everywhere else.
>
> The fact that extremely few special themes like this exist is a shame.
> It increases confusion on the users, and increases pressure on the
> theme developers to support every single major-mode under the sun.
>
> On 31 Jan 2015 12:54, "Tory S. Anderson" <torys.anderson@gmail.com>
> wrote:
>
>     Throughout my work day I'll switch themes now and again to go from
>     high contrast to lower, or from dark to light. This process
>     requires disabling the present theme and then loading the next
>     theme; if you forget to disable, the themes stack, usually with
>     undesirable consequences.
>     
>     Why is it implemented this way? Does anyone out there actually
>     gain utility from theme stacking? Or am I doing something wrong? I
>     would think the simpler implementation would simply to have "load
>     theme" automatically disable the present theme, which is both
>     conceptually and pragmatically easier. But the manual doesn't seem
>     to mention much about themes, so I haven't found an explanation
>     (or possible use) for this stacking implementation.
>