281 lines
9.5 KiB
Plaintext
281 lines
9.5 KiB
Plaintext
= Options
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== Description
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Kakoune can store named and typed values that can be used both to
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customize the core editor behaviour, and to store data used by extension
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scripts.
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[[set-option]]
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Options can be modified using the `set-option` command:
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---------------------------------
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set-option [-add] <scope> <name> <value>
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---------------------------------
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<scope> can be *global*, *buffer*, *window* or *current* (See
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<<scopes#,`:doc scopes`>>). *current* relates to the narrowest scope in
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which the option is already set.
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If `-add` is specified, the new value is *added* to the current one
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instead of replacing it (the exact outcome depends on the type, see below).
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[[unset-option]]
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Options values can be unset in a specific scope with the `unset-option`
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command:
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---------------------------
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unset-option <scope> <name>
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---------------------------
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Unsetting an option will make it fallback to the value of its parent mode,
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hence options cannot be unset from the *global* scope.
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[[declare-option]]
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New options can be declared using the `declare-option` command:
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------------------------------------------------
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declare-option [-hidden] <type> <name> [<value>]
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------------------------------------------------
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If `-hidden` is specified, the option will not be displayed in completion
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suggestions.
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[[update-option]]
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Certain option type can be *updated*, usually to match potential changes
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in the buffer they relate to. This can be triggered by the `update-option`
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command:
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----------------------------
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update-option <scope> <name>
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----------------------------
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== Types
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All options have a type, which defines how they are translated to/from
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text and their set of valid values.
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Some types are usable for user defined options while some other types
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are exclusively available to built-in options.
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*int*::
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an integer number.
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`set -add` performs a math addition
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*bool*::
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a boolean value, yes/true or no/false
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*str*::
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a string, some freeform text
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*regex*::
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as a string but the set commands will complain if the entered text
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is not a valid regex
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*coord*::
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a line, column pair (separated by a comma)
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*<type>-list*::
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a list, elements are separated by a colon (:) if an element needs
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to contain a colon, it can be escaped with a backslash.
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`set -add` appends the new element to the list
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*range-specs*::
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a `:` separated list of a pair of a buffer range (`<begin
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line>.<begin column>,<end line>.<end column>` or `<begin line>.<begin
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column>+<length>`) and a string (separated by `|`), except for the
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first element which is just the timestamp of the buffer. When the
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`update-option` is used on an option of this type, its ranges gets
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updated according to all the buffer modifications that happened
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since its timestamp.
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See <<highlighters#specs-highlighters,`:doc highlighters specs-highlighters`>>)
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`set -add` appends the new pair to the list
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*line-specs*::
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a `:` separated list of a line number and a corresponding flag
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(`<line>|<flag text>`), except for the first element which is just
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the timestamp of the buffer. When the `update-option` is used on
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an option of this type, its lines gets updated according to all the
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buffer modifications that happened since its timestamp.
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See <<highlighters#specs-highlighters,`:doc highlighters specs-highlighters`>>)
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`set -add` appends the new spec to the list
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*completions*::
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a `:` separated list of `<text>|<docstring>|<menu text>`
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candidates, except for the first element which follows the
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`<line>.<column>[+<length>]@<timestamp>` format to define where the
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completion apply in the buffer. Markup can be used in the menu text.
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*enum(value1|value2|...)*::
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an enum, taking one of the given values
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*flags(value1|value2|...)*::
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a set of flags, taking a combination of the given values joined by a
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'|' character.
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`set -add` adds the new flag to the combination
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*<type>-to-<type>-map*::
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a `:` separated list of `key=value` pairs.
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`set -add` adds the new pair to the hashmap or replace an already
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existing key.
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== Builtin options
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*tabstop* `int`::
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_default_ 8 +
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width of a tab character
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*indentwidth* `int`::
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_default_ 4 +
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width (in spaces) used for indentation, 0 means a tab character
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*scrolloff* `coord`::
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_default_ 0,0 +
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number of lines, columns to keep visible around the cursor when
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scrolling
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*eolformat* `enum(lf|crlf)`::
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_default_ lf +
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the format of end of lines when writing a buffer, this is autodetected
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on load; values of this option assigned to the `window` scope are
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ignored
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*BOM* `enum(none|utf8)`::
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_default_ none +
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define if the file should be written with a unicode byte order mark;
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values of this option assigned to the `window` scope are ignored
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*readonly* `bool`::
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_default_ false +
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prevent modifications from being saved to disk, all buffers if set
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to `true` in the `global` scope, or current buffer if set in the
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`buffer` scope; values of this option assigned to the `window`
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scope are ignored
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*incsearch* `bool`::
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_default_ true +
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execute search as it is typed
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*aligntab* `bool`::
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_default_ false +
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use tabs for alignment command
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*autoinfo* `flags(command|onkey|normal)`::
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_default_ command|onkey +
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display automatic information box in the enabled contexts
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*autoshowcompl* `bool`::
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_default_ true +
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automatically display possible completions when editing a prompt
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*ignored_files* `regex`::
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filenames matching this regex won't be considered as candidates
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on filename completion (except if the text being completed already
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matches it)
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*disabled_hooks* `regex`::
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hooks whose group matches this regex won't be executed. For example
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indentation hooks can be disabled with `.*-indent`
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*filetype* `str`::
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arbitrary string defining the type of the file filetype dependant
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actions should hook on this option changing for activation/deactivation
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*path* `str-list`::
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_default_ ./:%/:/usr/include +
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directories to search for *gf* command and filenames completion
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`%/` represents the current buffer directory
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*completers* `completer-list`::
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_default_ filename:word=all +
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completion engines to use for insert mode completion (they are tried
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in order until one generates candidates). Existing completers are:
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*word=all*, *word=buffer*:::
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which complete using words in all buffers (*word=all*)
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or only the current one (*word=buffer*)
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*filename*:::
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which tries to detect when a filename is being entered and
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provides completion based on local filesystem
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*line*:::
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which complete using lines in current buffer
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*option=<opt-name>*:::
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where *opt-name* is an option of type 'completions' whose
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contents will be used
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*static_words* `str-list`::
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list of words that are always added to completion candidates
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when completing words in insert mode
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*extra_word_chars* `codepoint-list`::
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a list of all additional codepoints that should be considered
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as word character.
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*matching_pairs* `codepoint-list`::
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_default_ `(:):{:}:[:]:<:>`
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a list of codepoints that are to be treated as matching pairs
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for the *m* command.
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*autoreload* `enum(yes|no|ask)`::
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_default_ ask +
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auto reload the buffers when an external modification is detected
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*debug* `flags(hooks|shell|profile|keys|commands)`::
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dump various debug information in the '\*debug*' buffer
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*idle_timeout* `int`::
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_default_ 50 +
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timeout, in milliseconds, with no user input that will trigger the
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*PromptIdle*, *InsertIdle* and *NormalIdle* hooks, and autocompletion.
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*fs_checkout_timeout* `int`::
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_default_ 500 +
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timeout, in milliseconds, between checks in normal mode of modifications
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of the file associated with the current buffer on the filesystem.
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*modelinefmt* `string`::
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A format string used to generate the mode line, that string is
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first expanded as a command line would be (expanding '%...{...}'
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strings), then markup tags are applied (See <<expansions#,`:doc expansions`>>)
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Two special atoms are available as markup:
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*`{{mode_info}}`*:::
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Information about the current mode, such as `insert 3 sel` or
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`prompt`. The faces used are StatusLineMode, StatusLineInfo,
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and StatusLineValue.
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*`{{context_info}}`*:::
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Information such as `[+][recording (@)][no-hooks][new file][fifo]`,
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in face Information.
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The default value is '%val{bufname} %val{cursor_line}:%val{cursor_char_column} {{context_info}} {{mode_info}} - %val{client}@[%val{session}]'
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*ui_options* `str-to-str-map`::
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colon separated list of key=value pairs that are forwarded to the user
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interface implementation. The NCurses UI support the following options:
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*ncurses_set_title*:::
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if *yes* or *true*, the terminal emulator title will
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be changed
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*ncurses_status_on_top*:::
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if *yes*, or *true* the status line will be placed
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at the top of the terminal rather than at the bottom
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*ncurses_assistant*:::
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specify the nice assistant displayed in info boxes,
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can be *clippy* (the default), *cat*, *dilbert* or *none*
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*ncurses_enable_mouse*:::
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boolean option that enables mouse support
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*ncurses_change_colors*:::
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boolean option that can disable color palette changing if the
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terminfo enables it but the terminal does not support it.
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*ncurses_wheel_down_button*, *ncurses_wheel_up_button*:::
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specify which button send for wheel down/up events
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