diff --git a/doc b/doc
index 1cd11ea..66cb0a4 160000
--- a/doc
+++ b/doc
@@ -1 +1 @@
-Subproject commit 1cd11eadbbdf7a91680a479566990e26c66d4a14
+Subproject commit 66cb0a4a8ca8a04dd3509ead7db8932ea9df5aa4
diff --git a/doc_identifier b/doc_identifier
index 0e221df..006b908 160000
--- a/doc_identifier
+++ b/doc_identifier
@@ -1 +1 @@
-Subproject commit 0e221df01f09c4bed61c45c671264e09e65d71a2
+Subproject commit 006b9084fef9fe350acc609a6d3f0a9341396635
diff --git a/doc_items b/doc_items
index e1edcd9..21ba63a 160000
--- a/doc_items
+++ b/doc_items
@@ -1 +1 @@
-Subproject commit e1edcd982e7f817845040716f09961c89722fc43
+Subproject commit 21ba63a58d2b3203a1f9cd9961c657ddb1328457