4. Message and Input Bar

Variable: *suppress-echo-timeout*

Assign this T and messages will not time out. It is recommended to assign this using LET.

Command: echo string

Display string in the message bar.

Function: err fmt &rest args

run FMT and ARGS through format and echo the result to the current screen along with a backtrace. For careful study, the message does not time out.

Function: wrap words &optional (max-col *message-max-width*) stream

Word wrap at the MAX-COL.

Variable: *message-max-width*

The maximum width of a message before it wraps.

Variable: *help-max-height*

Maximum number of lines for help to display.

Variable: *which-key-format*

The format string that decides how keybindings will show up in the which-key window. Two arguments will be passed to this formatter:

the keybind itself

the associated command

Command: colon &optional initial-input

Read a command from the user. initial-text is optional. When supplied, the text will appear in the prompt.

String arguments with spaces may be passed to the command by delimiting them with double quotes. A backslash can be used to escape double quotes or backslashes inside the string. This does not apply to commands taking :REST or :SHELL type arguments.

Macro: with-restarts-menu &body body

Execute BODY. If an error occurs allow the user to pick a restart from a menu of possible restarts. If a restart is not chosen, resignal the error.

Function: restarts-menu err

Display a menu with the active restarts and let the user pick one. Error is the error being recovered from. If the user aborts the menu, the error is re-signalled.

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