Make Unicode tables module headers consistent and add DO NOT EDIT to it

std/internal/unicode_decomp.d

@@ -1,3 +1,12 @@
+//Written in the D programming language
+/**
+ * License: $(HTTP boost.org/LICENSE_1_0.txt, Boost License 1.0).
+ *
+ * Authors: Dmitry Olshansky
+ *
+ */
+//Automatically generated from Unicode Character Database files, DO NOT EDIT
+//dfmt off
 module std.internal.unicode_decomp;
 import std.internal.unicode_tables;
 

std/internal/unicode_grapheme.d

@@ -1,3 +1,12 @@
+//Written in the D programming language
+/**
+ * License: $(HTTP boost.org/LICENSE_1_0.txt, Boost License 1.0).
+ *
+ * Authors: Dmitry Olshansky
+ *
+ */
+//Automatically generated from Unicode Character Database files, DO NOT EDIT
+//dfmt off
 module std.internal.unicode_grapheme;
 import std.internal.unicode_tables;
 

std/internal/unicode_norm.d

@@ -1,3 +1,12 @@
+//Written in the D programming language
+/**
+ * License: $(HTTP boost.org/LICENSE_1_0.txt, Boost License 1.0).
+ *
+ * Authors: Dmitry Olshansky
+ *
+ */
+//Automatically generated from Unicode Character Database files, DO NOT EDIT
+//dfmt off
 module std.internal.unicode_norm;
 import std.internal.unicode_tables;
 

std/internal/unicode_tables.d

@@ -5,10 +5,10 @@
  * Authors: Dmitry Olshansky
  *
  */
-//Automatically generated from Unicode Character Database files
+//Automatically generated from Unicode Character Database files, DO NOT EDIT
-
 //dfmt off
 module std.internal.unicode_tables;
+
 @safe pure nothrow @nogc package(std):
 
 

tools/unicode_table_generator.d

@@ -158,6 +158,16 @@ enum {
     specialCasingSrc = UnicodeDatabaseDirectory ~ "SpecialCasing.txt"
 }
 
+enum HeaderComment = `//Written in the D programming language
+/**
+ * License: $(HTTP boost.org/LICENSE_1_0.txt, Boost License 1.0).
+ *
+ * Authors: Dmitry Olshansky
+ *
+ */
+//Automatically generated from Unicode Character Database files, DO NOT EDIT
+//dfmt off`;
+
 auto toPairs(K, V)(V[K] aa)
 {
     return aa.values.zip(aa.keys).array;
@@ -189,29 +199,25 @@ void main(string[] argv)
     auto graphSink = File(UnicodeTableDirectory ~ "unicode_grapheme.d", mode);
     if (!minimal)
     {
-        baseSink.writeln("//Written in the D programming language
+        baseSink.writeln(HeaderComment);
-/**
+        baseSink.writeln("module std.internal.unicode_tables;");
- * License: $(HTTP boost.org/LICENSE_1_0.txt, Boost License 1.0).
+        baseSink.writeln("\n@safe pure nothrow @nogc package(std):\n");
- *
+
- * Authors: Dmitry Olshansky
- *
- */
-//Automatically generated from Unicode Character Database files\n
-//dfmt off
-module std.internal.unicode_tables;
-@safe pure nothrow @nogc package(std):\n");
         compSink.writeln("module std.internal.unicode_comp;");
         compSink.writeln("import std.internal.unicode_tables;");
         compSink.writeln("\n@safe pure nothrow @nogc package(std):\n");
 
+        decompSink.writeln(HeaderComment);
         decompSink.writeln("module std.internal.unicode_decomp;");
         decompSink.writeln("import std.internal.unicode_tables;");
         decompSink.writeln("\n@safe pure nothrow @nogc package(std):\n");
 
+        normSink.writeln(HeaderComment);
         normSink.writeln("module std.internal.unicode_norm;");
         normSink.writeln("import std.internal.unicode_tables;");
         normSink.writeln("\npackage(std):\n");
 
+        graphSink.writeln(HeaderComment);
         graphSink.writeln("module std.internal.unicode_grapheme;");
         graphSink.writeln("import std.internal.unicode_tables;");
         graphSink.writeln("\npackage(std):\n");