{"action":"created","comment":{"url":"https://api.github.com/repos/ReactiveX/RxJava/pulls/comments/207708689","pull_request_review_id":143382512,"id":207708689,"node_id":"MDI0OlB1bGxSZXF1ZXN0UmV2aWV3Q29tbWVudDIwNzcwODY4OQ==","diff_hunk":"@@ -1,12 +1,148 @@\n This section explains operators you can use to combine multiple Observables.\n \n-* [**`startWith( )`**](http://reactivex.io/documentation/operators/startwith.html) — emit a specified sequence of items before beginning to emit the items from the Observable\n-* [**`merge( )`**](http://reactivex.io/documentation/operators/merge.html) — combine multiple Observables into one\n-* [**`mergeDelayError( )`**](http://reactivex.io/documentation/operators/merge.html) — combine multiple Observables into one, allowing error-free Observables to continue before propagating errors\n-* [**`zip( )`**](http://reactivex.io/documentation/operators/zip.html) — combine sets of items emitted by two or more Observables together via a specified function and emit items based on the results of this function\n-* (`rxjava-joins`) [**`and( )`, `then( )`, and `when( )`**](http://reactivex.io/documentation/operators/and-then-when.html) — combine sets of items emitted by two or more Observables by means of `Pattern` and `Plan` intermediaries\n-* [**`combineLatest( )`**](http://reactivex.io/documentation/operators/combinelatest.html) — when an item is emitted by either of two Observables, combine the latest item emitted by each Observable via a specified function and emit items based on the results of this function\n+# Outline\n+\n+- [`combineLatest`](#combineLatest)\n+- [`join` and `groupJoin`](#joins)\n+- [`merge`](#merge)\n+- [`mergeDelayError`](#mergeDelayError)\n+- [`rxjava-joins`](#rxjava-joins)\n+- [`startWith`](#startWith)\n+- [`switchOnNext`](#switchOnNext)\n+- [`zip`](#zip)\n+\n+## startWith\n+\n+Emit a specified sequence of items before beginning to emit the items from the 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