[docs] Fix example for Allman brace breaking style

[jkorous]

Summary

Commit 3fd4a968ad80 by @jkorous was wrongfully rolled back. Opening braces need to be on separate lines for Allman style.

[jkorous]

You're right, thanks for letting me know.

It was changed in 806d5741aa7f.

@owenpan was that intended?

[owenpan]

This file is generated from the clang/include/clang/Format/Format.h header file by the clang/docs/tools/dump_format_style.py script. Please update the header file and rerun the script.

[jkorous]

Fix in the header file from which the documentation is actually generated.

[jkorous]

Thanks, I didn't know it's generated.

[owenpan]

LGTM

clang/docs/ClangFormatStyleOptions.rst

.. code-block:: c++
       }
       enum X : int { A, B };
 
   * ``BS_Allman`` (in configuration: ``Allman``)
     Always break before braces.
 
     .. code-block:: c++
 
-      try {
+      try
+      {
         foo();
       }
-      catch () {
+      catch ()
+      {
       }
       void foo() { bar(); }
-      class foo {
+      class foo
+      {
       };
-      if (foo()) {
+      if (foo())
+      {
       }
-      else {
+      else
+      {
       }
-      enum X : int { A, B };
+      enum X : int
+      {
+        A,
+        B
+      };
 
   * ``BS_GNU`` (in configuration: ``GNU``)
     Always break before braces and add an extra level of indentation to
     braces of control statements, not to those of class, function
     or other definitions.
 
     .. code-block:: c++
 

clang/include/clang/Format/Format.h

enum BraceBreakingStyle {
     ///   }
     ///   else {
     ///   }
     ///   enum X : int { A, B };
     /// \endcode
     BS_Stroustrup,
     /// Always break before braces.
     /// \code
-    ///   try {
+    ///   try
+    ///   {
     ///     foo();
     ///   }
-    ///   catch () {
+    ///   catch ()
+    ///   {
     ///   }
     ///   void foo() { bar(); }
-    ///   class foo {
+    ///   class foo
+    ///   {
     ///   };
-    ///   if (foo()) {
+    ///   if (foo())
+    ///   {
     ///   }
-    ///   else {
+    ///   else
+    ///   {
     ///   }
-    ///   enum X : int { A, B };
+    ///   enum X : int
+    ///   {
+    ///     A,
+    ///     B
+    ///   };
     /// \endcode
     BS_Allman,
     /// Always break before braces and add an extra level of indentation to
     /// braces of control statements, not to those of class, function
     /// or other definitions.
     /// \code
     ///   try
     ///     {