The natural replacement would be
https://gcc.gnu.org/onlinedocs/libstdc++/manual/status.html#status.iso.tr1
alas that is for the current version of GCC, and I doubt even a link
to the then current version would be of value.
Applied.
Gerald
Index: gcc-4.2/changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.2/changes.html,v
retrieving revision 1.41
diff -u -r1.41 changes.html
--- gcc-4.2/changes.html 28 Jun 2014 08:14:41 -0000 1.41
+++ gcc-4.2/changes.html 7 Feb 2017 22:54:40 -0000
@@ -195,7 +195,6 @@
<code>shared_ptr</code> was contributed as part of Phillip
Jordan's Google Summer of Code project on lock-free
containers.
- (<a
href="https://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt01ch01.html#manual.intro.status.standard.tr1";>Implementation
status of TR1</a>)
</li>
<li>In association with the Summer of Code work on lock-free
containers, the interface for atomic builtins was adjusted,
Index: gcc-4.3/changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.3/changes.html,v
retrieving revision 1.131
diff -u -r1.131 changes.html
--- gcc-4.3/changes.html 27 Aug 2015 19:48:43 -0000 1.131
+++ gcc-4.3/changes.html 7 Feb 2017 22:54:41 -0000
@@ -398,8 +398,6 @@
ISO C++ standard, C++0x</a>.</li>
<li>Support for TR1 mathematical special functions and regular
expressions.
- (<a
href="https://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt01ch01.html#m
-anual.intro.status.standard.tr1">Implementation status of TR1</a>)
</li>
<li>Default <code>what</code> implementations give more elaborate
exception strings for <code>bad_cast</code>,
