symset restrictions attribute (trunk only)

Pat Rankin wrote:
> I was about to also suggest that there
> be a rogue/non-rogue (with perhaps a third choice meaning "both")
> attribute.  That way we could keep the rogue choices from being
> listed in the "symset" menu and the non-rogue choices from the
> "roguesymset" menu.  Players who deliberately wanted to switch
> over would need to modify the attribute, possibly on a cloned set.
> Or perhaps they could just explicitly set their desired choices
> via NETHACKOPTIONS or .nethackrc and not use the 'O' menues--the
> new attribute doesn't necessary have to block which sets get used
> where, just filter menu entries to display the most applicable
> candidates.

dat/symbols

@@ -160,6 +160,7 @@ finish
 
 start: RogueIBM
 	Handling: IBM
+	Restrictions: rogue
 	S_weapon: \x29
 	S_amulet: \x2c
 	S_food: \x3a
@@ -190,6 +191,7 @@ finish
 
 start: RogueEpyx
 	Description: Rogue level color symbol set like Epyx Rogue
+	Restrictions: rogue
 	Handling: IBM
 	Color: Yes
 	S_weapon: \x18			# up arrow
@@ -267,6 +269,7 @@ start: RogueEpyx
 finish
 
 start: RogueWindows
+	Restrictions: rogue
 	Handling: IBM
 	S_weapon: \x29
 	S_amulet: \x2c