---

yaml
---
r: 195774
b: refs/heads/auto
c: 8d3e559
h: refs/heads/master
v: v3

Author: bcoopers

[refs]

@@ -10,7 +10,7 @@ refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503
 refs/tags/release-0.3.1: 495bae036dfe5ec6ceafd3312b4dca48741e845b
 refs/tags/release-0.4: e828ea2080499553b97dfe33b3f4d472b4562ad7
 refs/tags/release-0.5: 7e3bcfbf21278251ee936ad53e92e9b719702d73
-refs/heads/auto: 2982fe39ad93e29709a2e1414a4228718c8de28a
+refs/heads/auto: 8d3e55908ae0e51f04c170133c9f9739886b8e2e
 refs/heads/servo: af82457af293e2a842ba6b7759b70288da276167
 refs/tags/release-0.6: b4ebcfa1812664df5e142f0134a5faea3918544c
 refs/tags/0.1: b19db808c2793fe2976759b85a355c3ad8c8b336

branches/auto/src/libstd/io/mod.rs

@@ -106,9 +106,9 @@ fn read_to_end<R: Read + ?Sized>(r: &mut R, buf: &mut Vec<u8>) -> Result<usize>
     loop {
         if len == buf.len() {
             if buf.capacity() == buf.len() {
-                // reserve() rounds up our request to the nearest power of two,
-                // so after the first time the capacity is exceeded, we double
-                // our capacity at each call to reserve. 
+                // reserve() rounds up our request such that every request
+                // (with maybe the exception of the first request) for the
+                // same amount of space doubles our capacity.
                 buf.reserve(min_cap_bump);
             }
             let new_area = buf.capacity() - buf.len();