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hooks.asciidoc: Make sure all parts of the hook command are described.

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Also, some minor grammar fixes.
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Tim Allen 2018-09-22 18:43:56 +10:00
parent 1e2a389c6f
commit 3819304589
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doc/pages/hooks.asciidoc
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@ -5,23 +5,22 @@
Commands can be registered to be executed when certain events arise. To
register a hook use the following command:
----------------------------------------------------------------------
hook [-group <group>] <scope> <hook_name> <filtering_regex> <commands>
----------------------------------------------------------------------
------------------------------------------------------------------------------
hook [-group <group> | -once] <scope> <hook_name> <filtering_regex> <commands>
------------------------------------------------------------------------------
*scope* can be one of *global*, *buffer* or *window* (See
<<scopes#,`:doc scopes`>>).
*hook_name* must be one of the hook names in the list below, like `InsertKey`
or `BufSetOption`.
*filtering_regex* must match the entire parameter string in order for the
commands to be executed.
*command* is a string containing the commands to execute when the hook
is called.
For example to automatically use line numbering with .cc files, use the
following command:
--------------------------------------------------------------
hook global WinCreate .*\.cc %{ add-highlighter number-lines }
--------------------------------------------------------------
If *group* is given, make this hook part of the named group. Groups are used
for removing hooks with the following command:
@ -29,13 +28,23 @@ for removing hooks with the following command:
remove-hooks <scope> <group>
----------------------------
A call to the command above will remove every hooks in *scope* that are part
of whose group match the given *group* regex.
A call to the command above will remove every hook in *scope* whose group
matches the given *group* regex.
Hooks declared with the `-once` switch are automatically removed after running.
If `-once` is given, the hook is automatically removed after running.
For example to automatically use line numbering with .cc files, use the
following command:
--------------------------------------------------------------
hook global WinCreate .*\.cc %{ add-highlighter number-lines }
--------------------------------------------------------------
== Default hooks
The parameter string associated with each hook is described after the hook
name. Hooks with no description will always use an empty string.
*NormalIdle*::
a certain duration has passed since last key was pressed in normal mode
@ -163,9 +172,8 @@ Hooks declared with the `-once` switch are automatically removed after running.
*RawKey* `key`::
Triggered whenever a key is pressed by the user
When not specified, the filtering text is an empty string. Note that
some hooks will not consider underlying scopes depending on what context
they are bound to be run into, e.g. the `BufWritePost` hook is a buffer
Note that some hooks will not consider underlying scopes depending on what
context they are bound to be run into, e.g. the `BufWritePost` hook is a buffer
hook, and will not consider the `window` scope.
While defining hook commands with a `%sh{}` block, some additional env