From 97d96e220972aac15678713f7199a7d4db7d6c1f Mon Sep 17 00:00:00 2001
From: Dainius Jocas <dainius.jocas@gmail.com>
Date: Thu, 27 Aug 2026 22:44:57 +0300
Subject: [PATCH 1/5] indexing language documentid docs

---
 en/reference/writing/indexing-language.html | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/en/reference/writing/indexing-language.html b/en/reference/writing/indexing-language.html
index fdf46e8960..9994f647db 100644
--- a/en/reference/writing/indexing-language.html
+++ b/en/reference/writing/indexing-language.html
@@ -458,6 +458,16 @@ <h3 id="other-expressions">Other expressions</h3>
       </p>
     </td>
   </tr>
+  <tr>
+    <td><code>documentid [part]</code></td>
+    <td>
+      <p id="documentid">
+        Exposes ID of the document being processed, or, given an optional
+        argument, a single structural part of it as a string.
+        Valid <code>part</code> values are: <code>namespace, documenttype, group, number, specific</code>
+      </p>
+    </td>
+  </tr>
   <tr>
     <td><code>echo</code></td>
     <td>

From 9fd16cd5cc2111c64b074293d77a2e700bc129d9 Mon Sep 17 00:00:00 2001
From: Dainius Jocas <dainius.jocas@gmail.com>
Date: Thu, 27 Aug 2026 23:30:54 +0300
Subject: [PATCH 2/5] documentid example

---
 en/writing/indexing.html | 31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/en/writing/indexing.html b/en/writing/indexing.html
index 0d79600ba3..1fd72493fc 100644
--- a/en/writing/indexing.html
+++ b/en/writing/indexing.html
@@ -137,6 +137,36 @@ <h2 id="switch-example">Switch example</h2>
 </pre>
 
 
+<h2 id="documentid">documentid example</h2>
+
+<p>
+  The <code>documentid</code> expression allows taking whole or
+  a portion of a document ID and making it searchable.
+  Common uses:
+  <ul>
+    <li>Hashing document ID into a stable value for sorting or a tie-breaker</li>
+    <li>Making the <a href="../schemas/documents.html#namespace">namespace</a> searchable</li>
+    <li>Eliminate duplication of document id as a field in feed requests</li>
+  </ul>
+<pre>
+schema doc {
+    document doc {
+    }
+    field stable_hash type int {
+        indexing: documentid | hash | attribute
+    }
+    field namespace type string {
+        indexing: documentid namespace | attribute
+        attribute: fast-search
+    }
+    field id type string {
+        indexing: documentid specific | attribute
+        attribute: fast-search
+    }
+}
+</pre>
+  Available since {% include version.html version="8.741.10" %}.
+</p>
 
 <h2 id="combine-values-in-indexing-statements">Indexing statements example</h2>
 <p>
@@ -175,4 +205,3 @@ <h2 id="combine-values-in-indexing-statements">Indexing statements example</h2>
   <tr><td>field1 and field2</td><td>field1 and field2 are updated</td></tr>
   </tbody>
 </table>
-

From 2c9031513a6192cc34f800cfb21fdafd462fcb3e Mon Sep 17 00:00:00 2001
From: Kristian Aune <kkraune@users.noreply.github.com>
Date: Fri, 28 Aug 2026 08:21:51 +0200
Subject: [PATCH 3/5] Update en/writing/indexing.html

---
 en/writing/indexing.html | 1 +
 1 file changed, 1 insertion(+)

diff --git a/en/writing/indexing.html b/en/writing/indexing.html
index 1fd72493fc..69e7f3ff50 100644
--- a/en/writing/indexing.html
+++ b/en/writing/indexing.html
@@ -148,6 +148,7 @@ <h2 id="documentid">documentid example</h2>
     <li>Making the <a href="../schemas/documents.html#namespace">namespace</a> searchable</li>
     <li>Eliminate duplication of document id as a field in feed requests</li>
   </ul>
+</p>
 <pre>
 schema doc {
     document doc {

From f5fd6ea322b1e5d7801cf3eda4faaade99160e8f Mon Sep 17 00:00:00 2001
From: Kristian Aune <kkraune@users.noreply.github.com>
Date: Fri, 28 Aug 2026 08:21:58 +0200
Subject: [PATCH 4/5] Update en/writing/indexing.html

---
 en/writing/indexing.html | 1 +
 1 file changed, 1 insertion(+)

diff --git a/en/writing/indexing.html b/en/writing/indexing.html
index 69e7f3ff50..6b2512f1c3 100644
--- a/en/writing/indexing.html
+++ b/en/writing/indexing.html
@@ -166,6 +166,7 @@ <h2 id="documentid">documentid example</h2>
     }
 }
 </pre>
+<p>
   Available since {% include version.html version="8.741.10" %}.
 </p>
 

From 446e5652aec317f65af610d6c77660cfd6ffbd8d Mon Sep 17 00:00:00 2001
From: Kristian Aune <kkraune@users.noreply.github.com>
Date: Fri, 28 Aug 2026 08:22:38 +0200
Subject: [PATCH 5/5] Apply suggestion from @kkraune

---
 en/writing/indexing.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/en/writing/indexing.html b/en/writing/indexing.html
index 6b2512f1c3..604a76c743 100644
--- a/en/writing/indexing.html
+++ b/en/writing/indexing.html
@@ -143,12 +143,12 @@ <h2 id="documentid">documentid example</h2>
   The <code>documentid</code> expression allows taking whole or
   a portion of a document ID and making it searchable.
   Common uses:
+</p>
   <ul>
     <li>Hashing document ID into a stable value for sorting or a tie-breaker</li>
     <li>Making the <a href="../schemas/documents.html#namespace">namespace</a> searchable</li>
     <li>Eliminate duplication of document id as a field in feed requests</li>
   </ul>
-</p>
 <pre>
 schema doc {
     document doc {