[gcc r10-9678] libstdc++: Fix even more doxygen markup for group close commands

[Jonathan Wakely <redi@gcc.gnu.org>]

https://gcc.gnu.org/g:66ba422a436db7db4d9dfd926313753fc2c76bf5

commit r10-9678-g66ba422a436db7db4d9dfd926313753fc2c76bf5
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Fri Apr 9 00:24:41 2021 +0100

    libstdc++: Fix even more doxygen markup for group close commands
    
    More fixes like r11-8009 and r11-8066.
    
    libstdc++-v3/ChangeLog:
    
            * include/bits/fs_fwd.h: Fix doxygen group command.
            * include/bits/streambuf_iterator.h: Likewise.
            * include/std/chrono: Likewise.
            * include/std/memory: Likewise.
            * include/std/thread: Likewise.
            * include/tr1/complex: Likewise.
    
    (cherry picked from commit 72ddd861d3881eba141c41c1ccbb4e8b3be159a5)

Diff:
---
 libstdc++-v3/include/bits/fs_fwd.h             | 2 +-
 libstdc++-v3/include/bits/streambuf_iterator.h | 2 +-
 libstdc++-v3/include/std/chrono                | 2 +-
 libstdc++-v3/include/std/memory                | 2 +-
 libstdc++-v3/include/std/thread                | 2 +-
 libstdc++-v3/include/tr1/complex               | 2 +-
 6 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/libstdc++-v3/include/bits/fs_fwd.h b/libstdc++-v3/include/bits/fs_fwd.h
index d94cc414906..0f8fa92a39a 100644
--- a/libstdc++-v3/include/bits/fs_fwd.h
+++ b/libstdc++-v3/include/bits/fs_fwd.h
@@ -339,7 +339,7 @@ _GLIBCXX_END_NAMESPACE_CXX11
   bool is_symlink(file_status) noexcept;
 
 } // namespace filesystem
-// @}
+/// @}
 _GLIBCXX_END_NAMESPACE_VERSION
 } // namespace std
 #endif // C++17
diff --git a/libstdc++-v3/include/bits/streambuf_iterator.h b/libstdc++-v3/include/bits/streambuf_iterator.h
index 0681140505f..d77ecc5f9cb 100644
--- a/libstdc++-v3/include/bits/streambuf_iterator.h
+++ b/libstdc++-v3/include/bits/streambuf_iterator.h
@@ -499,7 +499,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       __i._M_c = __eof;
     }
 
-// @} group iterators
+/// @} group iterators
 
 _GLIBCXX_END_NAMESPACE_VERSION
 } // namespace
diff --git a/libstdc++-v3/include/std/chrono b/libstdc++-v3/include/std/chrono
index 0bff594f9b2..62a200c73b0 100644
--- a/libstdc++-v3/include/std/chrono
+++ b/libstdc++-v3/include/std/chrono
@@ -1127,7 +1127,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     using local_days = local_time<days>;
 #endif // C++20
 
-    // @}
+    /// @}
   } // namespace chrono
 
 #if __cplusplus > 201103L
diff --git a/libstdc++-v3/include/std/memory b/libstdc++-v3/include/std/memory
index 3b3fec0d95c..eea472e8600 100644
--- a/libstdc++-v3/include/std/memory
+++ b/libstdc++-v3/include/std/memory
@@ -177,7 +177,7 @@ undeclare_no_pointers(char*, size_t) { }
 /// The type of pointer safety supported by the implementation.
 inline pointer_safety
 get_pointer_safety() noexcept { return pointer_safety::relaxed; }
-// @}
+/// @}
 
 #if __cplusplus > 201703L
 #define __cpp_lib_assume_aligned 201811L
diff --git a/libstdc++-v3/include/std/thread b/libstdc++-v3/include/std/thread
index b1ed458ba21..f25e74a685e 100644
--- a/libstdc++-v3/include/std/thread
+++ b/libstdc++-v3/include/std/thread
@@ -428,7 +428,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       }
   }
 
-  // @} group threads
+  /// @} group threads
 
 #ifdef __cpp_lib_jthread
 
diff --git a/libstdc++-v3/include/tr1/complex b/libstdc++-v3/include/tr1/complex
index 3c9e6e27b30..9a4ee8cf128 100644
--- a/libstdc++-v3/include/tr1/complex
+++ b/libstdc++-v3/include/tr1/complex
@@ -411,7 +411,7 @@ namespace tr1
     pow(const std::complex<_Tp>& __x, const std::complex<_Tp>& __y)
     { return std::pow(__x, __y); }
 
-// @} group complex_numbers
+/// @} group complex_numbers
 }
 
 _GLIBCXX_END_NAMESPACE_VERSION