From 6dab02e46766cc33acc29c8e3cbbaed8d41b25f7 Mon Sep 17 00:00:00 2001
From: Pierre-Marie Pédrot
Date: Mon, 25 May 2020 08:06:46 +0200
Subject: Add a changelog.

---
 doc/changelog/04-tactics/12399-rm-prolog.rst | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 doc/changelog/04-tactics/12399-rm-prolog.rst

diff --git a/doc/changelog/04-tactics/12399-rm-prolog.rst b/doc/changelog/04-tactics/12399-rm-prolog.rst
new file mode 100644
index 0000000000..afde7db370
--- /dev/null
+++ b/doc/changelog/04-tactics/12399-rm-prolog.rst
@@ -0,0 +1,4 @@
+- **Removed:**
+  The deprecated and undocumented "prolog" tactic was removed
+  (`#12399 <https://github.com/coq/coq/pull/12399>`_,
+  by Pierre-Marie Pédrot).
-- 
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