* `String this.value()` --
A function returning the value of the widget's HTML element.
-* TODO autosearch()
-
-* TODO hideWhenNarrow()
+* `VOID autosearch()` --
+ Registers that this kind of widget is one that requires an
+ automatic search to be run for it if an `autosearch` attribute
+ is provided on the HTML element. This is appropriate for
+ widgets such as `Records` and `Facet` that display some part
+ of a search result.
+
+* `VOID hideWhenNarrow()` --
+ Registers that this widget should hide itself when the page
+ becomes "narrow" -- that is, fewer pixels in width that the
+ threshhold value specified by the top-level configuration item
+ `responsive_design_width`. Should be used for "unimportant"
+ widgets that can be omitted from the mobile version of a site.
* TODO subwidget()