在Emacs中自定义高亮面：仅更改背景颜色 [英] Customizing highlighting faces in Emacs: Only change the background color

问题描述

有没有办法在Emacs中定义一个面孔（例如高亮度例如 hl-line ），以便它只改变背景颜色（并且Emacs使用前景颜色，好像这个词没有突出显示）。

更具体地说，我在探戈黑暗主题

 （custom-set-faces 
'（region（（t（：inherit nil：backgroundRoyalBlue4 ）））
'（highlight（（t（：inherit region：backgrounddark olive green）））
'（hl-line（（t（：inherit highlight））） 
  

，如下所示，区域突出显示确实尊重前景字体（即只改变背景色）：

                       

但突出显示目前的行不会：

                         

为什么？如何获得与 hl-line 相同的效果？

更新：

这似乎是探戈黑暗主题（内建Emacs主题）的错误。该代码适用于默认主题（加载 emacs -Q ）。我发布了这个官方的错误邮件列表。

解决方案

我很久以前一直在努力，似乎是一个bug的颜色主题。

然而，我想出了一个解决方法。这对我有用：

 （加载主题探戈暗t 
（set-face-attribute'突出显示nil：foreground'unspecified）
  

Is there any way to define a face in Emacs (e.g. highlight such as hl-line) so that it only changes the background color (and have Emacs use the foreground color as if the word was not highlighted).

More specifically, I tried the following on the tango-dark theme

(custom-set-faces
 '(region ((t (:inherit nil :background "RoyalBlue4"))))
 '(highlight ((t (:inherit region :background "dark olive green"))))
 '(hl-line ((t (:inherit highlight)))))

and, as can be seen below, region highlighting does respect the foreground font (i.e. it only changes the background color):

                     

but the highlighting of the current line does't:

                       

Why? and how can I get the same effect with hl-line?

Update:

This seems to a bug in the tango-dark theme (a builtin theme of Emacs). The code works well with the default theme (which loads with emacs -Q). I posted this on the official bugs mailing list.

解决方案

I struggled with this some time ago, and it seems to be a bug of the color theme.

I've come up with a workaround, however. This works for me:

(load-theme 'tango-dark t)
(set-face-attribute 'highlight nil :foreground 'unspecified)

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