`nbdime:diff` command is not implemented (no-op)

[krassowski]

nbdime/packages/labextension/src/plugin.ts

Lines 197 to 210 in 8885a5a

	commands.addCommand(CommandIDs.diffNotebook, {
	execute: args => {
	// TODO: Check args for base/remote
	// if missing, prompt with dialog.
	//let content = current.notebook;
	//diffNotebook({base, remote, translator});
	},
	label: erroredGen(trans.__('Notebook diff')),
	caption: erroredGen(trans.__('Display nbdiff between two notebooks')),
	isEnabled: baseEnabled,
	iconClass:
	'jp-Icon jp-Icon-16 action-notebook-diff action-notebook-diff-notebooks',
	iconLabel: 'nbdiff',
	});