Update books

rustbot · rustbot · commit b68b48c05598 · 2023-08-28T13:00:57.000-04:00
diff --git a/src/doc/reference b/src/doc/reference
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-Subproject commit d43038932adeb16ada80e206d4c073d851298101
+Subproject commit effbdc1b059fde09027925e1bea90bb1860d5f27
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
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-Subproject commit 07e0df2f006e59d171c6bf3cafa9d61dbeb520d8
+Subproject commit c954202c1e1720cba5628f99543cc01188c7d6fc
diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide
@@ -1 +1 @@
-Subproject commit b123ab4754127d822ffb38349ce0fbf561f1b2fd
+Subproject commit 78c9b0b7a0ab23ad20cd88ec0434ef4801b4df40
