68 lines
1.8 KiB
Plaintext
68 lines
1.8 KiB
Plaintext
kakoune(k)
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==========
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NAME
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----
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scopes - a
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Description
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-----------
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Scopes are groups in which a particular Kakoune object (a variable,
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hook, alias etc) can have different values, depending on the group the
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value was declared in.
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Names and hierarchy
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-------------------
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Scopes are named as follows:
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*window*::
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context linked to the window displaying a buffer
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*buffer*::
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context linked directly to the buffer
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*global*::
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global context linked to the instance of Kakoune
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The following order of priority applies to the above scopes:
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--------------------------
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window ]> buffer ]> global
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--------------------------
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The above priority line implies that objects can have individual values that
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will be resolved first in the *window* scope (highest priority), then in
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the *buffer* scope, and finally in the *global* scope (lowest priority).
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Uses
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----
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The scope paradigm is very useful as it allows the user to customize the
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behavior of the editor without modifying the configuration globally, as
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is the case with other editors who only have a single *global* scope by
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default.
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Examples:
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*filetype*::
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A single buffer opened in two separate windows can have different
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filetypes declared in the *window* scope with 'set' (c.f. the 'options'
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documentation page)
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*status line*::
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All the buffers of the current session can have the same information
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displayed in the status line, except for a specific buffer (the
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'modelinefmt' option can be declared in the *global* scope, and
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customized in the *buffer* scope with 'set', c.f. the 'options'
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documentation page)
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Execution context
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-----------------
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Some commands work in a specific context that might exclude one or
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several scopes altogether, consequently ignoring some values of a given
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object.
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Example: the *window* scope is never considered when resolving the
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values of options when writing a buffer (e.g. 'BOM', 'eolformat').
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