silver dragon colour

Back in 2000 "Pat Rankin" wrote:
>      From a user (in a message which had several unrelated things):
>
> > I think the colour of silver dragon scales / scale mail should not be
> > SILVER (which is not a colour), but HI_SILVER. Of course the colour of
> > silver dragons would have to be adjusted to match this.
>
> I don't normally have access to a color display, so I hadn't noticed
> that silver dragons are CLR_BRIGHT_CYAN.  It is pure coincidence
> that material SILVER happens to have the same numeric value as that.
> Is bright cyan intentional, to make them distinguishable from gray
> dragons (since color HI_SILVER is defined to be the same as CLR_GRAY)?
> Or was it done for the monsters just because the corresponding objects
> accidentally had the wrong value?  It seems to me that they ought to
> be the same shade of silver (ie, gray) as other silver things, even
> if that makes them look identical to gray dragons.

Using the material value SILVER in the "color"
field was wrong, no matter what the reason. I
suspect it was probably a mistake originally.

This patch does not alter the displayed colour for the
bug-fix release, but does correct the misuse of the
material.

include/color.h

@@ -46,6 +46,7 @@
 #define HI_PAPER	CLR_WHITE
 #define HI_GLASS	CLR_BRIGHT_CYAN
 #define HI_MINERAL	CLR_GRAY
+#define DRAGON_SILVER	CLR_BRIGHT_CYAN
 #define HI_ZAP		CLR_BRIGHT_BLUE
 
 #endif /* COLOR_H */