[rkward] [Bug 399427] How to configure the fonts and background color of the "preview of rendered R Markdown"

[Thomas Friedrichsmeier]

https://bugs.kde.org/show_bug.cgi?id=399427

Thomas Friedrichsmeier <thomas.friedrichsmeier at ruhr-uni-bochum.de> changed:

           What    |Removed                     |Added
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                 CC|                            |thomas.friedrichsmeier at ruhr
                   |                            |-uni-bochum.de

--- Comment #1 from Thomas Friedrichsmeier <thomas.friedrichsmeier at ruhr-uni-bochum.de> ---
Well, this is a partial answer at best, but you can influence the text colors
of the output by adding meta and style information at the top of the .Rmd.
E.g.:

---
title: "Habits"
output:
  html_document:
    highlight: espresso
---
<style type="text/css">
body p {
  color: #CCCCCCCC;
}
</style>

The "highlight" affects the R highlighting colors, only, while to change the
default text color, apparently you have to use CSS. (It would be possible to
control both via CSS).

I do not really have an idea on how this could be handled automatically from
within RKWard. I suppose we could add a setting to specify a custom CSS for
.Rmd previews, but that would both need manual action, _and_ it would override
whatever is specified in the .Rmd header.

Let me know, if anybody has a good idea on this.

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