[committed][gcc-11] libstdc++: Replace reference to mainline in release branch docs

[Jonathan Wakely]

libstdc++-v3/ChangeLog:

	* doc/xml/manual/status_cxx2023.xml: Change reference from
	mainline GCC to the release branch.
	* doc/html/manual/status.html: Regenerate.
---
 libstdc++-v3/doc/html/manual/status.html       | 3 +--
 libstdc++-v3/doc/xml/manual/status_cxx2023.xml | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/libstdc++-v3/doc/html/manual/status.html b/libstdc++-v3/doc/html/manual/status.html
index 3805e9e24f0..838cba72f47 100644
--- a/libstdc++-v3/doc/html/manual/status.html
+++ b/libstdc++-v3/doc/html/manual/status.html
@@ -1702,8 +1702,7 @@ options. The pre-defined symbol
 <code class="constant">__cplusplus</code> is used to check for the
 presence of the required flag.
 </p><p>
-This section describes the C++23 and library TS support in mainline GCC,
-not in any particular release.
+This section describes the C++23 and library TS support in the GCC 11 release series.
 </p><p>
 The following table lists new library features that have been accepted into
 the C++23 working draft. The "Proposal" column provides a link to the
diff --git a/libstdc++-v3/doc/xml/manual/status_cxx2023.xml b/libstdc++-v3/doc/xml/manual/status_cxx2023.xml
index 75f31f55aa9..381f989d482 100644
--- a/libstdc++-v3/doc/xml/manual/status_cxx2023.xml
+++ b/libstdc++-v3/doc/xml/manual/status_cxx2023.xml
@@ -20,8 +20,7 @@ presence of the required flag.
 </para>
 
 <para>
-This section describes the C++23 and library TS support in mainline GCC,
-not in any particular release.
+This section describes the C++23 and library TS support in the GCC 11 release series.
 </para>
 
 <para>
-- 
2.45.2