diff --git a/doc/formats.svg b/doc/formats.svg
index 944bea846..fe0f3007d 100644
--- a/doc/formats.svg
+++ b/doc/formats.svg
@@ -2297,23 +2297,29 @@
 <polygon fill="paleturquoise" stroke="none" points="4215.88,-2154.5 4215.88,-2181 4290.38,-2181 4290.38,-2154.5 4215.88,-2154.5"/>
 <text text-anchor="start" x="4217.88" y="-2160" font-family="Times,serif" font-size="20.00">msgpack</text>
 </g>
-<!-- pg_btree -->
+<!-- negentropy -->
 <g id="node137" class="node">
+<title>negentropy</title>
+<polygon fill="paleturquoise" stroke="none" points="4320.88,-2154.5 4320.88,-2181 4413.38,-2181 4413.38,-2154.5 4320.88,-2154.5"/>
+<text text-anchor="start" x="4322.88" y="-2160" font-family="Times,serif" font-size="20.00">negentropy</text>
+</g>
+<!-- pg_btree -->
+<g id="node138" class="node">
 <title>pg_btree</title>
-<polygon fill="paleturquoise" stroke="none" points="4320.62,-2154.5 4320.62,-2181 4393.62,-2181 4393.62,-2154.5 4320.62,-2154.5"/>
-<text text-anchor="start" x="4322.62" y="-2160" font-family="Times,serif" font-size="20.00">pg_btree</text>
+<polygon fill="paleturquoise" stroke="none" points="4443.62,-2154.5 4443.62,-2181 4516.62,-2181 4516.62,-2154.5 4443.62,-2154.5"/>
+<text text-anchor="start" x="4445.62" y="-2160" font-family="Times,serif" font-size="20.00">pg_btree</text>
 </g>
 <!-- pg_control -->
-<g id="node138" class="node">
+<g id="node139" class="node">
 <title>pg_control</title>
-<polygon fill="paleturquoise" stroke="none" points="4423.75,-2154.5 4423.75,-2181 4512.5,-2181 4512.5,-2154.5 4423.75,-2154.5"/>
-<text text-anchor="start" x="4425.75" y="-2160" font-family="Times,serif" font-size="20.00">pg_control</text>
+<polygon fill="paleturquoise" stroke="none" points="4546.75,-2154.5 4546.75,-2181 4635.5,-2181 4635.5,-2154.5 4546.75,-2154.5"/>
+<text text-anchor="start" x="4548.75" y="-2160" font-family="Times,serif" font-size="20.00">pg_control</text>
 </g>
 <!-- pg_heap -->
-<g id="node139" class="node">
+<g id="node140" class="node">
 <title>pg_heap</title>
-<polygon fill="paleturquoise" stroke="none" points="4542.75,-2154.5 4542.75,-2181 4613.5,-2181 4613.5,-2154.5 4542.75,-2154.5"/>
-<text text-anchor="start" x="4544.75" y="-2160" font-family="Times,serif" font-size="20.00">pg_heap</text>
+<polygon fill="paleturquoise" stroke="none" points="4665.75,-2154.5 4665.75,-2181 4736.5,-2181 4736.5,-2154.5 4665.75,-2154.5"/>
+<text text-anchor="start" x="4667.75" y="-2160" font-family="Times,serif" font-size="20.00">pg_heap</text>
 </g>
 </g>
 </svg>