From c5e72817cac7de09dc4e351c0cced960197aa637 Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Tue, 15 May 2018 10:53:13 +0100
Subject: [PATCH] mdbx-doc: import - mdb_cursor_del does not invalidate the
 cursor (ITS#8857).

---
 lmdb.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lmdb.h b/lmdb.h
index d20b21ec..f1b08f57 100644
--- a/lmdb.h
+++ b/lmdb.h
@@ -1589,6 +1589,10 @@ int  mdb_cursor_put(MDB_cursor *cursor, MDB_val *key, MDB_val *data,
 	/** @brief Delete current key/data pair
 	 *
 	 * This function deletes the key/data pair to which the cursor refers.
+	 * This does not invalidate the cursor, so operations such as MDB_NEXT
+	 * can still be used on it.
+	 * Both MDB_NEXT and MDB_GET_CURRENT will return the same record after
+	 * this operation.
 	 * @param[in] cursor A cursor handle returned by #mdb_cursor_open()
 	 * @param[in] flags Options for this operation. This parameter
 	 * must be set to 0 or one of the values described here.