Initiate review of SE-0142: Permit where clauses to constrain associated types

Author: DougGregor

index.xml

@@ -142,6 +142,7 @@
 <proposal id="0139" status="accepted" swift-version="3" name="Bridge Numeric Types to `NSNumber` and Cocoa Structs to `NSValue`" filename="0139-bridge-nsnumber-and-nsvalue.md"/>
 <proposal id="0140" status="accepted" swift-version="3" name="Bridge `Optional` As Its Payload Or `NSNull`" filename="0140-bridge-optional-to-nsnull.md"/>
 <proposal id="0141" status="active" swift-version="4" name="Availability by Swift version" filename="0141-available-by-swift-version.md"/>
+<proposal id="0142" status="active" swift-version="4" name="Permit where clauses to constrain associated types" filename="0142-associated-types-constraints.md"/>
 
 <!--
 Recognized values for a proposal's status:

proposals/XXXX-associated-types-constraints.md renamed to proposals/0142-associated-types-constraints.md

@@ -2,8 +2,8 @@
 
 * Proposal: [SE-NNNN](NNNN-associated-types-constraints.md)
 * Authors: [David Hart](https://github.com/hartbit), [Jacob Bandes-Storch](https://github.com/jtbandes), [Doug Gregor](https://github.com/DougGregor)
-* Review Manager: TBD
-* Status: **Awaiting review**
+* Review Manager: [Doug Gregor](https://github.com/DougGregor)
+* Status: Under review (September 23...30, 2016)
 
 ## Introduction