Options: See below
Key sequence:
Ctrl+H
option
Provides on-line help. Depending on what information the user has and the type of information required, one of the following options should be selected after invoking the
Help
command. In most cases a
Help
command plus option can also be invoked by an extended editor command.
A brief summary of the help options is given directly below, with more detailed information following.
Display a list of help options.
Quit help.
Display a list of commands whose names contain string .
Display a list of key bindings and associated commands.
Display the command to which key is bound.
Describe the editor command .
Bring up the on-line version of this manual for command .
Invoke the appropriate describe object command.
Describe the command to which key is bound.
Bring up the on-line version of this manual for key .
describe the last 60 keys typed.
Describe variable and show its current value.
Bring up the on-line version of this manual for variable .
Display the key sequence to which command is bound.
Arguments:
string
Key sequence:
Ctrl+H A
string
Displays a list of editor commands, variables, and attributes whose names contain string , in a Help window.
Editor command, variable and attribute names tend to follow patterns which becomes apparent as you look through this manual. For example, commands which perform operations on files tend to contain the string
file
, that is, Find File, Save File, Print File and so forth.
Use this form of help when you know what you would like to do, but do not know a specific command to do it.
Arguments:
key
Key sequence:
Ctrl+H C
key
Displays the command to which
key
is bound. For a more detailed description of
key
use the command
Describe Key.
Use this form of help when you know a default binding but want to know the command name.
Note: this command is also available via the menu command Help > Editing > Key to Command.
Arguments:
command
Key sequence:
Ctrl+H D
command
Describes the editor command command . Full documentation of that command is printed in a Help window.
Use this form of help when you know a command name and require full details of that command.
Arguments:
command
Key sequence:
Ctrl+H Ctrl+D
command
Brings up the on-line version of this manual at the entry for command .
The documentation in the on-line manual differs from the editor on-line help (as produced by Describe Command), but provides similar information. If you are used to the layout and definitions provided in this manual then use this help command instead of
Ctrl+H D
.
Arguments:
object
Key sequence:
Ctrl+H G
object
Describes object , where object may take the value command , key , attribute or variable .
If
object
is
command
,
key
or
variable
then the command Describe Command, Describe Key or
Describe Editor Variable is invoked respectively.
There is no corresponding describe command if the object is
attribute
. Attributes are things such as word delimiters, Lisp syntax and parse field separators. If you are not sure of the attributes documented remember that you can press
Tab
to display a completion list.
Arguments:
key
Key sequence:
Ctrl+H K
key
Describes the command to which key is bound. Full documentation of that command is printed in a Help window.
Use this form of help when you know a default binding and require the command name plus full details of that command.
Arguments:
key
Key sequence:
Ctrl+H Ctrl+K
key
Brings up the on-line version of this manual at the entry for key .
The documentation in the on-line manual differs slightly from the editor on-line help but usually provides you with the same amount of information. If you are used to the layout and definitions provided in this manual then use this help command instead of Describe Key.
Arguments: None
Key sequence:
Ctrl+H L
Displays the last 60 keys typed.
Arguments:
variable
Key sequence:
Ctrl+H V
variable
Describes variable and prints its current value in a Help window.
Use this form of help when you know a variable name and require a description of that variable and/or its current value.
Arguments:
variable
Key sequence:
Ctrl+H Ctrl+V
variable
Brings up the on-line version of this manual at the entry for variable .
The documentation in the on-line manual differs slightly from the editor on-line help but usually provides you with the same amount of information. If you are used to the layout and definitions provided in this manual then use this help command instead of Describe Editor Variable.
Arguments:
command
Key sequence:
Ctrl+H W
command
Displays the key sequence to which command is bound.
Use this form of help if you know a command name and wish to find the bindings for that command. If no binding exists then a message to this effect is returned.
Note: this command is also available via the menu command Help > Editing > Command to Key.
Arguments:
None
Key sequence:
Ctrl+H B
Displays a list of key bindings and associated commands in a Help window. First the major mode bindings for the current buffer, then the global bindings, are printed.