From 60ccf50433d823f18ee63e9c25c979e7b81f2fc1 Mon Sep 17 00:00:00 2001
From: Mateusz Kowalczyk <fuuzetsu@fuuzetsu.co.uk>
Date: Thu, 18 Dec 2014 07:30:58 +0000
Subject: Update docs for @since

---
 doc/haddock.xml | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/doc/haddock.xml b/doc/haddock.xml
index 3b58f824..2ffd7d78 100644
--- a/doc/haddock.xml
+++ b/doc/haddock.xml
@@ -2210,6 +2210,40 @@ This belongs to the list above!
 
       </section>
 
+      <section>
+        <title>Metadata</title>
+        <para>Since Haddock 2.16.0, some support for embedding
+        metadata in the comments has started to appear. The use of
+        such data aims to standardise various community conventions in
+        how such information is conveyed and to provide uniform
+        rendering.
+        </para>
+
+        <section>
+          <title>Since</title>
+          <para><literal>@since</literal> annotation can be used to
+          convey information about when the function was introduced or
+          when it has changed in the way significant to the user.
+          <literal>@since</literal> is a paragraph-level element.
+          While multiple such annotations are not an error, only the
+          one to appear in the comment last will be used.
+          <literal>@since</literal> has to be followed with a version
+          number, no further description is currently allowed. The
+          meaning of this feature is subject to change in the future
+          per user feedback.
+          </para>
+
+<programlisting>
+-- |
+-- Some comment
+--
+-- @since 1.2.3
+</programlisting>
+
+        </section>
+
+      </section>
+
     </section>
   </chapter>
   <index/>
-- 
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