---

yaml
---
r: 127672
b: refs/heads/snap-stage3
c: 9c772cd
h: refs/heads/master
v: v3

Author: bors

[refs]

@@ -1,7 +1,7 @@
 ---
 refs/heads/master: 49a970f2449a78f28b6c301e542d38593094ca77
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
-refs/heads/snap-stage3: 9151599ec87e86b429e049b251a5470a29ea5948
+refs/heads/snap-stage3: 9c772cd391034ad29a444e748708df5a0bfff0a2
 refs/heads/try: d9c23fcbaea89871667272a67ecb8d3a512162f3
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b

branches/snap-stage3/src/doc/tutorial.md

@@ -1133,6 +1133,16 @@ let xs = Cons(1, box Cons(2, box Cons(3, box Nil)));
 let ys = xs; // copies `Cons(u32, pointer)` shallowly
 ~~~
 
+> *Note:* Names like `xs` and `ys` are a naming
+> convention for collection-like data structures
+> (like our `List`). These collections are given 
+> names appended with 's' to signify plurality, 
+> i.e. that the data structure stores multiple 
+> elements.  For example, `xs` in this case can 
+> be read as "a list of ex-es", where "x" here 
+> are elements of type `u32`.
+
+
 Rust will consider a shallow copy of a type with a destructor like `List` to
 *move ownership* of the value. After a value has been moved, the source
 location cannot be used unless it is reinitialized.