+ * The internal type used for color values, and for color-pairs. The latter
+ * allows the curses library to enumerate the combinations of foreground and
+ * background colors used by an application, and is normally the product of the
+ * total foreground and background colors.
+ *
+ * X/Open uses "short" for both of these types, ultimately because they are
+ * numbers from the terminal database, which uses 16-bit signed values.