Add language identifiers

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4042.md

@@ -21,7 +21,7 @@ This warning can be caused by specifying a storage class other than **register**
 
 The following sample generates C4042
 
-```
+```cpp
 // C4042.cpp
 // compile with: /W1 /LD
 int func2( __declspec( thread ) int tls_i )    // C4042

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4047.md

@@ -15,7 +15,7 @@ A pointer can point to a variable (one level of indirection), to another pointer
 
 The following sample generates C4047:
 
-```
+```c
 // C4047.c
 // compile with: /W1
 
@@ -35,7 +35,7 @@ int main() {
 
 The following sample generates C4047:
 
-```
+```c
 // C4047b.c
 // compile with: /W1
 #include <stdio.h>

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4052.md

@@ -13,7 +13,7 @@ One declaration of the function does not contain variable arguments. It is ignor
 
 The following sample generates C4052:
 
-```
+```c
 // C4052.c
 // compile with: /W4 /c
 int f();

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4068.md

@@ -11,7 +11,7 @@ unknown pragma
 
 The compiler ignored an unrecognized [pragma](../../preprocessor/pragma-directives-and-the-pragma-keyword.md). Be sure the **pragma** is allowed by the compiler you are using. The following sample generates C4068:
 
-```
+```cpp
 // C4068.cpp
 // compile with: /W1
 #pragma NotAValidPragmaName   // C4068, use valid name to resolve

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4074.md

@@ -13,7 +13,7 @@ The compiler initialization area, which is specified by [#pragma init_seg](../..
 
 The following sample generates C4074:
 
-```
+```cpp
 // C4074.cpp
 // compile with: /W1
 #pragma init_seg( compiler )   // C4074

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4075.md

@@ -13,7 +13,7 @@ A [#pragma init_seg](../../preprocessor/init-seg.md) uses an unrecognized sectio
 
 The following sample generates C4075:
 
-```
+```cpp
 // C4075.cpp
 // compile with: /W1
 #pragma init_seg("mysegg")   // C4075

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4077.md

@@ -15,7 +15,7 @@ The compiler ignores the pragma and leaves the stack checking unchanged.
 
 ## Example
 
-```
+```cpp
 // C4077.cpp
 // compile with: /W1 /LD
 #pragma check_stack yes // C4077

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4079.md

@@ -13,7 +13,7 @@ An unexpected separator token occurs in a pragma argument list. The remainder of
 
 The following sample generates C4079:
 
-```
+```cpp
 // C4079.cpp
 // compile with: /W1
 #pragma warning(disable : 4081)

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4080.md

@@ -13,7 +13,7 @@ The name of the segment in [#pragma alloc_text](../../preprocessor/alloc-text.md
 
 The following sample generates C4080:
 
-```
+```cpp
 // C4080.cpp
 // compile with: /W1
 extern "C" void func(void);

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4081.md

@@ -13,7 +13,7 @@ The compiler expected a different token in this context.
 
 ## Example
 
-```
+```cpp
 // C4081.cpp
 // compile with: /W1 /LD
 #pragma optimize) "l", on )   // C4081

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4083.md

@@ -13,7 +13,7 @@ An identifier occurs in the wrong place in a **#pragma** statement.
 
 ## Example
 
-```
+```cpp
 // C4083.cpp
 // compile with: /W1 /LD
 #pragma warning disable:4083    // C4083

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4085.md

@@ -13,7 +13,7 @@ The pragma requires an **on** or **off** parameter. The pragma is ignored.
 
 The following sample generates C4085:
 
-```
+```cpp
 // C4085.cpp
 // compile with: /W1 /LD
 #pragma optimize( "t", maybe )  // C4085

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4086.md

@@ -13,7 +13,7 @@ The pragma parameter does not have the required value (1, 2, 4, 8, or 16).
 
 ## Example
 
-```
+```cpp
 // C4086.cpp
 // compile with: /W1 /LD
 #pragma pack( 3 ) // C4086

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4087.md

@@ -15,7 +15,7 @@ This warning is for the C compiler.
 
 ## Example
 
-```
+```c
 // C4087.c
 // compile with: /W1
 int f1( void ) {

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4090.md

@@ -17,7 +17,7 @@ This warning is issued for C programs. In a C++ program, the compiler issues an
 
 The following sample generates C4090:
 
-```
+```c
 // C4090.c
 // compile with: /W1
 int *volatile *p;

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4091.md

@@ -15,7 +15,7 @@ The compiler detected a situation where the user probably intended a variable to
 
 A `__declspec` attribute at the beginning of a user-defined type declaration applies to the variable of that type. C4091 indicates no variable is declared. The following sample generates C4091.
 
-```
+```cpp
 // C4091.cpp
 // compile with: /W1 /c
 __declspec(dllimport) class X {}; // C4091
@@ -32,7 +32,7 @@ class __declspec(dllimport) X3 {};
 
 If an identifier is a typedef, it cannot also be a variable name. The following sample generates C4091.
 
-```
+```cpp
 // C4091_b.cpp
 // compile with: /c /W1 /WX
 #define LIST 4

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4096.md

@@ -15,7 +15,7 @@ See [Interface Attributes](../../windows/attributes/interface-attributes.md) for
 
 The following sample generates C4096:
 
-```
+```cpp
 // C4096.cpp
 // compile with: /W1 /LD
 #include "windows.h"

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4097.md

@@ -13,7 +13,7 @@ A pragma was passed an invalid value.
 
 The following sample generates C4097:
 
-```
+```cpp
 // C4097.cpp
 // compile with: /W1
 #pragma runtime_checks("",test)   // C4097

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4103.md

@@ -15,7 +15,7 @@ Use #pragma [pack](../../preprocessor/pack.md)(pop) before exiting the header fi
 
 The following sample generates C4103:
 
-```
+```cpp
 // C4103.h
 #pragma pack(push, 4)
 
@@ -27,7 +27,7 @@ The following sample generates C4103:
 
 And then,
 
-```
+```cpp
 // C4103.cpp
 // compile with: /LD /W1
 #include "c4103.h"   // C4103

docs/error-messages/compiler-warnings/compiler-warning-level-1-c4109.md

@@ -13,7 +13,7 @@ The pragma containing the unexpected identifier is ignored.
 
 ## Example
 
-```
+```cpp
 // C4109.cpp
 // compile with: /W1 /LD
 #pragma init_seg( abc ) // C4109