3.38 Obscure commands

This section documents commands that we believe are unlikely to be useful. If you do find a use for any of these, please tell us at Lisp Support.

Clear Undo Editor Command

Arguments: None
Key sequence: None

The command Clear Undo clears undo information in the current buffer, after prompting the user for confirmation.

See also: Undo.

List Faces Display Editor Command

Arguments: None
Key sequence: None

The command List Faces Display creates an editor buffer and displays in it all known editor faces.

Clear Eval Record Editor Command

Arguments: None
Key sequence: None

The command Clear Eval Record deletes the record of compilation and evaluation in the current buffer. This record is used by the Stepper to find the source code.

Redo Editor Command

Arguments: None
Key sequence: None

The command Redo redoes the last undone change. It operates only with simple Undo/Redo selected (see Toggle Global Simple Undo).

See also: Toggle Global Simple Undo.

Toggle Global Simple Undo Editor Command

Arguments: None
Key sequence: None

The command Toggle Global Simple Undo toggles the type of undo between simple Undo/Redo and the Emacs-style of undo.

With a positive prefix argument simple Undo/Redo is selected, and with a zero or negative prefix argument Emacs-style undo is selected.

Note: the setting is global, that is it affects all editor buffers.

See also: Undo.

Flush Sections Editor Command

Arguments: None
Key sequence: None

The command Flush Sections flushes information about the definitions in the current buffer gathered by sectioning, to force the editor to recompute it.