Note that `search` must be a valid regex. If one of the arguments
does not have any spaces in it, you may omit the quotes.
-* `set option value`: sets the option to value. Please see the next section for
- a list of options you can set.
+* `set option value`: sets the option to value. See the `options` help topic
+ for a list of options you can set.
+
+* `setlocal option value`: sets the option to value locally (only in the current
+ buffer).
+
+* `show option`: shows the current value of the given option.
* `run sh-command`: runs the given shell command in the background. The
command's output will be displayed in one line when it finishes running.