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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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3 changed files with 12 additions and 2 deletions
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doc_src/cmds/help.rst
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@ -21,7 +21,7 @@ The **-h** or **--help** option displays help about using this command.
If the :envvar:`BROWSER` environment variable is set, it will be used to display the documentation.
Otherwise, fish will search for a suitable browser.
To use a different browser than as described above, one can set the :envvar:`fish_help_browser` variable.
To use a different browser than as described above, you can set ``$fish_help_browser``
This variable may be set as a list, where the first element is the browser command and the rest are browser options.
Example

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doc_src/cmds/switch.rst
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@ -27,7 +27,7 @@ Note that command substitutions in a case statement will be evaluated even if it
Example
-------
If the variable :envvar:`animal` contains the name of an animal, the following code would attempt to classify it:
If the variable ``$animal`` contains the name of an animal, the following code would attempt to classify it:
::

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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.