Fix garbled (C) symbol in generated source code

Replaced literal (C) symbol in resourcestring statements with constant
name.

Defined COPYRIGHT constant in UConsts unit as the appropriate Unicode
hex character code.

Fixes #80

Author: delphidabbler

Src/UConsts.pas

@@ -36,6 +36,8 @@ interface
   GT          = '>';    // greater-than / closing angle bracket character
   LT          = '<';    // less-than / opening angle bracket character
 
+  COPYRIGHT   = #$00A9;
+
   CRLF  = CR + LF;      // carriage return followed by line feed
   EOL   = CRLF;         // end of line character sequence for Windows systems
   EOL2  = EOL + EOL;    // 2 end of line sequences

Src/USaveUnitMgr.pas

@@ -1,9 +1,9 @@
-{
+{
  * This Source Code Form is subject to the terms of the Mozilla Public License,
  * v. 2.0. If a copy of the MPL was not distributed with this file, You can
  * obtain one at https://mozilla.org/MPL/2.0/
  *
- * Copyright (C) 2006-2021, Peter Johnson (gravatar.com/delphidabbler).
+ * Copyright (C) 2006-2022, Peter Johnson (gravatar.com/delphidabbler).
  *
  * Defines a class that manages generation, previewing and saving of a pascal
  * unit.
@@ -98,6 +98,7 @@ implementation
   // Project
   DB.UMetaData,
   UAppInfo,
+  UConsts,
   UUrl,
   UUtils;
 
@@ -115,8 +116,9 @@ implementation
   // Error message
   sErrorMsg = 'Filename is not valid for a Pascal unit';
   // Unit header comments
-  sLicense = 'The unit is copyright � %0:s by %1:s and is licensed under '
-    + 'the %2:s.';
+  sLicense = 'The unit is copyright '
+    + COPYRIGHT
+    + ' %0:s by %1:s and is licensed under the %2:s.';
   sMainDescription = 'This unit was generated automatically. It incorporates a '
     + 'selection of source code taken from the Code Snippets Database at %0:s.';
   sGenerated = 'Generated on : %0:s.';

Src/USnippetSourceGen.pas

@@ -1,9 +1,9 @@
-{
+{
  * This Source Code Form is subject to the terms of the Mozilla Public License,
  * v. 2.0. If a copy of the MPL was not distributed with this file, You can
  * obtain one at https://mozilla.org/MPL/2.0/
  *
- * Copyright (C) 2006-2021, Peter Johnson (gravatar.com/delphidabbler).
+ * Copyright (C) 2006-2022, Peter Johnson (gravatar.com/delphidabbler).
  *
  * Implements a static class that generates source code for code snippet(s)
  * contained in a routine snippet or category view.
@@ -90,6 +90,7 @@ implementation
   DB.UMetaData,
   DB.USnippet,
   DB.USnippetKind,
+  UConsts,
   UAppInfo,
   UQuery,
   UUtils;
@@ -108,8 +109,9 @@ function TSnippetSourceGen.BuildHeaderComments: IStringList;
   // when snippets include those from main database
   sMainDBGenerator = 'This code snippet was generated by %0:s %1:s on %2:s.';
   sMainDBLicense = 'It includes code taken from the DelphiDabbler Code '
-    + 'Snippets database that is copyright � %0:s by %1:s and is licensed '
-    + 'under the %2:s.';
+    + 'Snippets database that is copyright '
+    + COPYRIGHT
+    + ' %0:s by %1:s and is licensed under the %2:s.';
   // when snippets are all from user defined database
   sUserGenerator = 'This user defined code snippet was generated by '
     + '%0:s %1:s on %2:s.';