Add shadercalls scope and update copyright notices

diff --git a/include/spirv/unified1/spirv.core.grammar.json b/include/spirv/unified1/spirv.core.grammar.json
index 29991ee..824ae4b 100644
--- a/include/spirv/unified1/spirv.core.grammar.json
+++ b/include/spirv/unified1/spirv.core.grammar.json

@@ -1,6 +1,6 @@
 {
   "copyright" : [
-    "Copyright (c) 2014-2016 The Khronos Group Inc.",
+    "Copyright (c) 2014-2020 The Khronos Group Inc.",
     "",
     "Permission is hereby granted, free of charge, to any person obtaining a copy",
     "of this software and/or associated documentation files (the \"Materials\"),",
@@ -10128,6 +10128,11 @@
           "value" : 5,
           "capabilities" : [ "VulkanMemoryModel" ],
           "version" : "1.5"
+        },
+        {
+          "enumerant" : "ShaderCallKHR",
+          "value" : 6,
+          "capabilities" : [ "RayTracingProvisionalKHR" ]
         }
       ]
     },

diff --git a/include/spirv/unified1/spirv.cs b/include/spirv/unified1/spirv.cs
index 46c24ef..c5ddff9 100644
--- a/include/spirv/unified1/spirv.cs
+++ b/include/spirv/unified1/spirv.cs

@@ -1,4 +1,4 @@
-// Copyright (c) 2014-2019 The Khronos Group Inc.
+// Copyright (c) 2014-2020 The Khronos Group Inc.
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and/or associated documentation files (the "Materials"),
@@ -739,6 +739,7 @@
             Invocation = 4,
             QueueFamily = 5,
             QueueFamilyKHR = 5,
+            ShaderCallKHR = 6,
         }
 
         public enum GroupOperation

diff --git a/include/spirv/unified1/spirv.h b/include/spirv/unified1/spirv.h
index b908303..92b34c3 100644
--- a/include/spirv/unified1/spirv.h
+++ b/include/spirv/unified1/spirv.h

@@ -1,5 +1,5 @@
 /*
-** Copyright (c) 2014-2019 The Khronos Group Inc.
+** Copyright (c) 2014-2020 The Khronos Group Inc.
 ** 
 ** Permission is hereby granted, free of charge, to any person obtaining a copy
 ** of this software and/or associated documentation files (the "Materials"),
@@ -740,6 +740,7 @@
     SpvScopeInvocation = 4,
     SpvScopeQueueFamily = 5,
     SpvScopeQueueFamilyKHR = 5,
+    SpvScopeShaderCallKHR = 6,
     SpvScopeMax = 0x7fffffff,
 } SpvScope;
 

diff --git a/include/spirv/unified1/spirv.hpp b/include/spirv/unified1/spirv.hpp
index a39b17b..9f98683 100644
--- a/include/spirv/unified1/spirv.hpp
+++ b/include/spirv/unified1/spirv.hpp

@@ -1,4 +1,4 @@
-// Copyright (c) 2014-2019 The Khronos Group Inc.
+// Copyright (c) 2014-2020 The Khronos Group Inc.
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and/or associated documentation files (the "Materials"),
@@ -736,6 +736,7 @@
     ScopeInvocation = 4,
     ScopeQueueFamily = 5,
     ScopeQueueFamilyKHR = 5,
+    ScopeShaderCallKHR = 6,
     ScopeMax = 0x7fffffff,
 };
 

diff --git a/include/spirv/unified1/spirv.hpp11 b/include/spirv/unified1/spirv.hpp11
index e3680d7..406ba19 100644
--- a/include/spirv/unified1/spirv.hpp11
+++ b/include/spirv/unified1/spirv.hpp11

@@ -1,4 +1,4 @@
-// Copyright (c) 2014-2019 The Khronos Group Inc.
+// Copyright (c) 2014-2020 The Khronos Group Inc.
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and/or associated documentation files (the "Materials"),
@@ -736,6 +736,7 @@
     Invocation = 4,
     QueueFamily = 5,
     QueueFamilyKHR = 5,
+    ShaderCallKHR = 6,
     Max = 0x7fffffff,
 };
 

diff --git a/include/spirv/unified1/spirv.json b/include/spirv/unified1/spirv.json
index 1d399bf..d372beb 100644
--- a/include/spirv/unified1/spirv.json
+++ b/include/spirv/unified1/spirv.json

@@ -6,7 +6,7 @@
             "Comment":
             [
                 [
-                    "Copyright (c) 2014-2019 The Khronos Group Inc.",
+                    "Copyright (c) 2014-2020 The Khronos Group Inc.",
                     "",
                     "Permission is hereby granted, free of charge, to any person obtaining a copy",
                     "of this software and/or associated documentation files (the \"Materials\"),",
@@ -725,7 +725,8 @@
                     "Subgroup": 3,
                     "Invocation": 4,
                     "QueueFamily": 5,
-                    "QueueFamilyKHR": 5
+                    "QueueFamilyKHR": 5,
+                    "ShaderCallKHR": 6
                 }
             },
             {

diff --git a/include/spirv/unified1/spirv.lua b/include/spirv/unified1/spirv.lua
index ee105eb..3774a95 100644
--- a/include/spirv/unified1/spirv.lua
+++ b/include/spirv/unified1/spirv.lua

@@ -1,4 +1,4 @@
--- Copyright (c) 2014-2019 The Khronos Group Inc.
+-- Copyright (c) 2014-2020 The Khronos Group Inc.
 -- 
 -- Permission is hereby granted, free of charge, to any person obtaining a copy
 -- of this software and/or associated documentation files (the "Materials"),
@@ -702,6 +702,7 @@
         Invocation = 4,
         QueueFamily = 5,
         QueueFamilyKHR = 5,
+        ShaderCallKHR = 6,
     },
 
     GroupOperation = {

diff --git a/include/spirv/unified1/spirv.py b/include/spirv/unified1/spirv.py
index 655f71b..a7344aa 100644
--- a/include/spirv/unified1/spirv.py
+++ b/include/spirv/unified1/spirv.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2014-2019 The Khronos Group Inc.
+# Copyright (c) 2014-2020 The Khronos Group Inc.
 # 
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and/or associated documentation files (the "Materials"),
@@ -702,6 +702,7 @@
         'Invocation' : 4,
         'QueueFamily' : 5,
         'QueueFamilyKHR' : 5,
+        'ShaderCallKHR' : 6,
     },
 
     'GroupOperation' : {

diff --git a/include/spirv/unified1/spv.d b/include/spirv/unified1/spv.d
index 0c94a58..2c76658 100644
--- a/include/spirv/unified1/spv.d
+++ b/include/spirv/unified1/spv.d

@@ -1,5 +1,5 @@
 /+
- + Copyright (c) 2014-2019 The Khronos Group Inc.
+ + Copyright (c) 2014-2020 The Khronos Group Inc.
  + 
  + Permission is hereby granted, free of charge, to any person obtaining a copy
  + of this software and/or associated documentation files (the "Materials"),
@@ -742,6 +742,7 @@
     Invocation = 4,
     QueueFamily = 5,
     QueueFamilyKHR = 5,
+    ShaderCallKHR = 6,
 }
 
 enum GroupOperation : uint

diff --git a/tools/buildHeaders/header.cpp b/tools/buildHeaders/header.cpp
index 0f65291..7e8f668 100644
--- a/tools/buildHeaders/header.cpp
+++ b/tools/buildHeaders/header.cpp

@@ -1,4 +1,4 @@
-// Copyright (c) 2014-2019 The Khronos Group Inc.
+// Copyright (c) 2014-2020 The Khronos Group Inc.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and/or associated documentation files (the "Materials"),
@@ -169,7 +169,7 @@
     }
 
     const std::string TPrinter::DocCopyright =
-        "Copyright (c) 2014-2019 The Khronos Group Inc.\n"
+        "Copyright (c) 2014-2020 The Khronos Group Inc.\n"
         "\n"
         "Permission is hereby granted, free of charge, to any person obtaining a copy\n"
         "of this software and/or associated documentation files (the \"Materials\"),\n"

diff --git a/tools/buildHeaders/jsonToSpirv.cpp b/tools/buildHeaders/jsonToSpirv.cpp
index 4649e21..689b2d6 100644
--- a/tools/buildHeaders/jsonToSpirv.cpp
+++ b/tools/buildHeaders/jsonToSpirv.cpp

@@ -1,4 +1,4 @@
-// Copyright (c) 2014-2019 The Khronos Group Inc.
+// Copyright (c) 2014-2020 The Khronos Group Inc.
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and/or associated documentation files (the "Materials"),

diff --git a/tools/buildHeaders/jsonToSpirv.h b/tools/buildHeaders/jsonToSpirv.h
index 81e38c2..c37fcb9 100644
--- a/tools/buildHeaders/jsonToSpirv.h
+++ b/tools/buildHeaders/jsonToSpirv.h

@@ -1,4 +1,4 @@
-// Copyright (c) 2014-2019 The Khronos Group Inc.
+// Copyright (c) 2014-2020 The Khronos Group Inc.
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and/or associated documentation files (the "Materials"),