Variable: prefix-help-command

prefix-help-command is a variable defined in keyboard.c.

Value

describe-prefix-bindings

Documentation

Command to run when help-char character follows a prefix key.

This command is used only when there is no actual binding for that character after that prefix key.

View in manual

Probably introduced at or before Emacs version 19.20.

Source Code

// Defined in /usr/src/emacs/src/keyboard.c
  DEFVAR_LISP ("prefix-help-command", Vprefix_help_command,
	       doc: /* Command to run when `help-char' character follows a prefix key.
This command is used only when there is no actual binding
for that character after that prefix key.  */);