doc: foot.ini: add colors.alpha-mode

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Daniel Eklöf 2025-04-14 17:02:45 +02:00
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@ -1031,6 +1031,21 @@ can configure the background transparency with the _alpha_ option.
Background translucency. A value in the range 0.0-1.0, where 0.0
means completely transparent, and 1.0 is opaque. Default: _1.0_.
*alpha-mode*
Specifies when *alpha* is applied. One of *default*, *matching* or
*all*.
*default* applies *alpha* to cells with the default background
color, excluding cells with the same RGB value as the default
background color.
*matching* is the same as *default*, but also applies *alpha* to
cells with the same RGB value as the default background color.
*all* applies *alpha* to all cells, regardless of background color.
Default: _default_
*selection-foreground*, *selection-background*
Foreground (text) and background color to use in selected
text. Note that *both* options must be set, or the default will be