---

yaml
---
r: 317310
b: refs/heads/master-rebranch
c: 9dc2f64
h: refs/heads/master

Author: swift-ci

[refs]

@@ -1457,4 +1457,4 @@ refs/tags/swift-DEVELOPMENT-SNAPSHOT-2019-08-02-a: ddd2b2976aa9bfde5f20fe37f6bd2
 refs/tags/swift-DEVELOPMENT-SNAPSHOT-2019-08-03-a: 171cc166f2abeb5ca2a4003700a8a78a108bd300
 refs/heads/benlangmuir-patch-1: baaebaf39d52f3bf36710d4fe40cf212e996b212
 refs/heads/i-do-redeclare: 8c4e6d5de5c1e3f0a2cedccf319df713ea22c48e
-refs/heads/master-rebranch: b7200e80a8a00ec2be2e8497594569d9352237f0
+refs/heads/master-rebranch: 9dc2f648bb9f585def2193ca47cc157c81cc2738

branches/master-rebranch/docs/Lexicon.rst

@@ -97,6 +97,11 @@ source code, tests, and commit messages. See also the `LLVM lexicon`_.
        context. This type may contain `archetypes <archetype>` and cannot be
        used directly from outside the context. Compare with `interface type`.
 
+  customization point
+    Informal term for a protocol requirement that has a default implementation,
+    i.e. one that conforming types don't *have* to implement but have the option
+    to "customize".
+
   DI (definite initialization / definitive initialization)
     The feature that no uninitialized variables, constants, or properties will
     be read by a program, or the analysis pass that operates on SIL to