Create combined diagnostic page for property syntax (#50563)

* Consolidation is done.

* Add other undocumented errors

* Get it to add the table.

* organize around themes

* first pass edit

* fix warnings

* Final edits

* fix link

* Apply suggestions from code review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* clean up TOC

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: BillWagner

.github/prompts/error-consolidation.md

@@ -12,8 +12,8 @@ Overall steps:
 
 We're going to work through a series of files consolidating errors and warnings.
 
-- For the duration of this chat, all references to "destination file" refer to `generic-type-parameters-errors.md`.
-- For the duration of this chat, all references to "the target theme" refer to errors and warnings related to generic type parameters and generic type arguments.
+- For the duration of this chat, all references to "destination file" refer to `property-declaration-errors.md`.
+- For the duration of this chat, all references to "the target theme" refer to errors and warnings related to declaring and defining properties.
 
 The destination file already contains a skeleton for the final output.
 
@@ -31,7 +31,7 @@ For each source file I specify in this chat, you'll do the following tasks:
 
 ## Search for other related articles that may be missed.
 
-First, let's find candidate source files. Search all files in the docs/csharp/language-reference/compiler-messages and the docs/csharp/misc folder for any other errors and warnings that involve the target theme. Give me a list to review for possible additional consolidation. Don't make any edits until the originating user approves.
+First, let's find candidate source files. Search all files whose names start with "CS" in the docs/csharp/language-reference/compiler-messages and the docs/csharp/misc folder for any other errors and warnings that involve the target theme. Give me a list to review for possible additional consolidation. Don't make any edits until the originating user approves.
 
 ## Final search in roslyn source
 

.openpublishing.redirection.csharp.json

@@ -451,6 +451,10 @@
             "source_path_from_root": "/docs/csharp/language-reference/compiler-messages/cs0270.md",
             "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/array-declaration-errors"
         },
+        {
+            "source_path_from_root": "/docs/csharp/language-reference/compiler-messages/cs0545.md",
+            "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/property-declaration-errors"
+        },
         {
             "source_path_from_root": "/docs/csharp/language-reference/compiler-messages/cs0552.md",
             "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/overloaded-operator-errors"
@@ -459,6 +463,10 @@
             "source_path_from_root": "/docs/csharp/language-reference/compiler-messages/cs0563.md",
             "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/overloaded-operator-errors"
         },
+        {
+            "source_path_from_root": "/docs/csharp/language-reference/compiler-messages/cs0571.md",
+            "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/property-declaration-errors"
+        },
         {
             "source_path_from_root": "/docs/csharp/language-reference/compiler-messages/cs0650.md",
             "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/array-declaration-errors"
@@ -491,6 +499,10 @@
             "source_path_from_root": "/docs/csharp/language-reference/compiler-messages/cs0834.md",
             "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/expression-tree-restrictions"
         },
+        {
+            "source_path_from_root": "/docs/csharp/language-reference/compiler-messages/cs0840.md",
+            "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/property-declaration-errors"
+        },
         {
             "source_path_from_root": "/docs/csharp/language-reference/compiler-messages/cs0843.md",
             "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/feature-version-errors"
@@ -655,6 +667,10 @@
             "source_path_from_root": "/docs/csharp/language-reference/compiler-messages/cs7000.md",
             "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/using-directive-errors"
         },
+        {
+            "source_path_from_root": "/docs/csharp/language-reference/compiler-messages/cs8145.md",
+            "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/property-declaration-errors"
+        },
         {
             "source_path_from_root": "/docs/csharp/language-reference/compiler-messages/cs8153.md",
             "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/lambda-expression-errors#conversion-to-expression-trees"
@@ -751,6 +767,10 @@
             "source_path_from_root": "/docs/csharp/language-reference/compiler-messages/cs8964.md",
             "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/parameter-argument-mismatch"
         },
+        {
+            "source_path_from_root": "/docs/csharp/language-reference/compiler-messages/cs9036.md",
+            "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/property-declaration-errors"
+        },
         {
             "source_path_from_root": "/docs/csharp/language-reference/compiler-messages/cs9050.md",
             "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/ref-struct-errors"
@@ -1793,6 +1813,10 @@
             "source_path_from_root": "/docs/csharp/misc/cs0199.md",
             "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/ref-modifiers-errors"
         },
+        {
+            "source_path_from_root": "/docs/csharp/misc/cs0200.md",
+            "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/property-declaration-errors"
+        },
         {
             "source_path_from_root": "/docs/csharp/misc/cs0206.md",
             "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/ref-modifiers-errors"
@@ -2333,6 +2357,10 @@
             "source_path_from_root": "/docs/csharp/misc/cs1012.md",
             "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/string-literal"
         },
+        {
+            "source_path_from_root": "/docs/csharp/misc/cs1014.md",
+            "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/property-declaration-errors"
+        },
         {
             "source_path_from_root": "/docs/csharp/misc/cs1016.md",
             "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/parameter-argument-mismatch"
@@ -2377,6 +2405,10 @@
             "source_path_from_root": "/docs/csharp/misc/cs1040.md",
             "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/preprocessor-errors"
         },
+        {
+            "source_path_from_root": "/docs/csharp/misc/cs1043.md",
+            "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/property-declaration-errors"
+        },
         {
             "source_path_from_root": "/docs/csharp/misc/cs1100.md",
             "redirect_url": "/dotnet/csharp/language-reference/compiler-messages/extension-declarations"