---

yaml
---
r: 181215
b: refs/heads/auto
c: f64d71b
h: refs/heads/master
i:
  181213: 9ad8f57
  181211: 7a7aefc
  181207: 866dc21
  181199: 588b07c
  181183: 620e30a
v: v3

Author: Manishearth

[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: 1bbf7187ad7775b9a7d59236c17b571d9916a3ec
+refs/heads/auto: f64d71b6ed3ae9bd2d20c9c43fa6fa9ef46ad16d
 refs/heads/servo: af82457af293e2a842ba6b7759b70288da276167
 refs/tags/release-0.6: b4ebcfa1812664df5e142f0134a5faea3918544c
 refs/tags/0.1: b19db808c2793fe2976759b85a355c3ad8c8b336

branches/auto/src/doc/reference.md

@@ -2399,6 +2399,10 @@ The currently implemented features of the reference compiler are:
                     ways insufficient for concatenating identifiers, and may be
                     removed entirely for something more wholesome.
 
+* `custom_attribute` - Allows the usage of attributes unknown to the compiler
+                       so that new attributes can be added in a bacwards compatible
+                       manner (RFC 572).
+
 * `intrinsics` - Allows use of the "rust-intrinsics" ABI. Compiler intrinsics
                  are inherently unstable and no promise about them is made.
 
@@ -2459,6 +2463,9 @@ The currently implemented features of the reference compiler are:
             implemented very poorly and will likely change significantly
             with a proper implementation.
 
+* `rustc_attrs` - Gates internal `#[rustc_*]` attributes which may be
+                  for internal use only or have meaning added to them in the future.
+
 * `rustc_diagnostic_macros`- A mysterious feature, used in the implementation
                              of rustc, not meant for mortals.