[PATCH 4/6] gcc 11: document GCC_EXTRA_DIAGNOSTIC_OUTPUT

[David Malcolm]

---
 htdocs/gcc-11/changes.html | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/htdocs/gcc-11/changes.html b/htdocs/gcc-11/changes.html
index 93c421e3..67e29619 100644
--- a/htdocs/gcc-11/changes.html
+++ b/htdocs/gcc-11/changes.html
@@ -562,8 +562,16 @@ a work-in-progress.</p>
 <!-- <h2 id="plugins">Improvements for plugin authors</h2> -->
 
 <!-- .................................................................. -->
-<!-- <h2>Other significant improvements</h2> -->
 
+<h2>Other significant improvements</h2>
+
+<ul>
+  <li>GCC has gained a new environment variable
+    <a href="https://gcc.gnu.org/onlinedocs/gcc/Environment-Variables.html#index-GCC_005fEXTRA_005fDIAGNOSTIC_005fOUTPUT">GCC_EXTRA_DIAGNOSTIC_OUTPUT</a>
+    which can be used by IDEs to request machine-readable fix-it hints
+    without needing to adjust build flags.
+  </li>
+</ul>
 
 <!-- .................................................................. -->
 <!-- <h2><a id="GCC11.1">GCC 11.1</a></h2> -->
-- 
2.26.2