Unique items: don't be a pig

And the Lord said, "Thou hast already consumed My Holy Water, thou needest another not."

And, hearing the Word of the Lord, Posieden said, "Yo! Storm Trident! Dude, look in your hand!"

data/core/macros/items.cfg

@@ -261,11 +261,19 @@
 #enddef
 
 #define OBJ_POTION_HOLY X Y ID
-    {PICKUPPABLE_ITEM {ID} {X} {Y} side=1 items/holy-water.png
+    {PICKUPPABLE_ITEM {ID} {X} {Y} (
+        side=1
+        [has_attack]
+            range=melee
+            [not]
+                type=arcane
+            [/not]
+        [/has_attack]
+    ) items/holy-water.png
     _"Sprinkling this water on melee weapons grants them the <i>arcane</i> damage type until the end of the current scenario. Should $unit.name use it?"
     _"holy water^Take it"
     _"holy water^Leave it"
-    _"I am not suited to the use of this item! Let another take it." (
+    _"$unit.name has no need for this Holy Water! Let another take it." (
         [object]
             name= _ "Holy Water"
             image=items/holy-water.png
@@ -494,7 +502,18 @@
 #enddef
 
 #define OBJ_TRIDENT_STORM X Y ID
-    {PICKUPPABLE_ITEM {ID} {X} {Y} race=merman items/storm-trident.png _"Should $unit.name pick up the trident?" _"storm trident^Take it" _"storm trident^Leave it" _"Only the mermen can use this item!" (
+    {PICKUPPABLE_ITEM {ID} {X} {Y} (
+        race=merman
+        [not]
+            [has_attack]
+                name="storm trident"
+            [/has_attack]
+        [/not]
+    ) items/storm-trident.png
+    _"Should $unit.name pick up the trident?"
+    _"storm trident^Take it"
+    _"storm trident^Leave it"
+    _"$unit.name cannot use this Storm Trident! Let one of the merfolk who can wield it have it." (
         [object]
             name= _ "Storm Trident"
             image=items/storm-trident.png