From 48d09cd2c6fef78592b570a9458e41512dbb445e Mon Sep 17 00:00:00 2001
From: Robert Treat <rob@xzilla.net>
Date: Tue, 12 Aug 2025 19:05:02 -0400
Subject: [PATCH v1 2/2] GUC is a pretty common term, which currently only
 shows up in acronym, and #7 search term on website, so add index and glossary
 entries.
Content-Type: text/patch; charset="utf-8"

---
 doc/src/sgml/config.sgml   |  2 ++
 doc/src/sgml/glossary.sgml | 15 +++++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 20ccb2d6b54..e12d1ff3087 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -18,6 +18,8 @@
   <sect1 id="config-setting">
    <title>Setting Parameters</title>
 
+   <indexterm><primary>GUC</primary></indexterm>
+
    <sect2 id="config-setting-names-values">
     <title>Parameter Names and Values</title>
 
diff --git a/doc/src/sgml/glossary.sgml b/doc/src/sgml/glossary.sgml
index b88cac598e9..086909c7305 100644
--- a/doc/src/sgml/glossary.sgml
+++ b/doc/src/sgml/glossary.sgml
@@ -897,6 +897,21 @@
    </glossdef>
   </glossentry>
 
+  <glossentry id="glossary-guc">
+   <glossterm>GUC</glossterm>
+   <glossdef>
+    <para>
+     Commonly used term within <productname>PostgreSQL</productname> for
+     configuration parameters. Typically meant to refer to user settable
+     parameters, but it can also refer to internal or build-time parameters.
+    </para>
+    <para>
+     For information on working with configuration parameters, see
+     <xref linkend="config-setting"/>.
+    </para>
+   </glossdef>
+  </glossentry>
+
   <glossentry id="glossary-heap">
    <glossterm>Heap</glossterm>
    <glossdef>
-- 
2.24.3 (Apple Git-128)