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docs: More about envvars

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Fabian Boehm
2023-01-09 20:33:37 +01:00
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doc_src/language.rst
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@@ -1323,6 +1323,16 @@ You can change the settings of fish by changing the values of certain variables.
A number of variable starting with the prefixes ``fish_color`` and ``fish_pager_color``. See :ref:`Variables for changing highlighting colors <variables-color>` for more information.
.. envvar:: fish_term24bit
If this is set to 1, fish will assume the terminal understands 24-bit RGB color sequences, and won't translate them to the 256 or 16 color palette.
This is often detected automatically.
.. envvar:: fish_term256
If this is set to 1, fish will assume the terminal understands 256 colors, and won't translate matching colors down to the 16 color palette.
This is usually autodetected.
.. envvar:: fish_ambiguous_width
controls the computed width of ambiguous-width characters. This should be set to 1 if your terminal renders these characters as single-width (typical), or 2 if double-width.