+ if plugin == 'alias' # FIXME find out plugin name programmatically
+ _('Create and use aliases for commands. Topics: create, commands')
+ else
+ # show definition of all aliases whose first word is the parameter of the help
+ # command
+ @aliases.keys.select {|a| a[/\A(\w+)/, 1] == plugin}.map do |a|
+ "#{a} => #{@aliases[a]}"
+ end.join ' | '
+ end