Applied this one:
backends.html - Update weblinks to AVR simulators.
diff --git a/htdocs/backends.html b/htdocs/backends.html
index bdaf29ad..1f7c85d7 100644
--- a/htdocs/backends.html
+++ b/htdocs/backends.html
@@ -120,9 +120,19 @@ visium | B g t s
xtensa | C
</pre>
-<p>For AVR simulator, see <a
-href="https://gcc.gnu.org/ml/gcc/2003-10/msg00027.html";>
-https://gcc.gnu.org/ml/gcc/2003-10/msg00027.html</a>.</p>
+<p>For AVR simulator, see
+ <ul>
+ <li>avrtest at
+ <a href="https://github.com/sprintersb/atest";
+ >https://github.com/sprintersb/atest</a> and
+ <a
href="https://github.com/sprintersb/atest?tab=readme-ov-file#running-the-avr-gcc-testsuite-using-the-avrtest-simulator";
+ >README: Running the avr-gcc Testsuite using the avrtest
Simulator</a>
+ </li>
+ <li>SimulAVR at <a href="https://www.nongnu.org/simulavr";
+ >https://www.nongnu.org/simulavr</a>
+ </li>
+</ul>
+</p>
<p>For ARC simulator, see <a
href="https://github.com/foss-for-synopsys-dwc-arc-processors/binutils-gdb";>
