Angular material docs updated,

+ @angular/material-moment-adapter added to package.json

src/assets/angular-material-examples/select-multiple/select-multiple-example.css

@@ -0,0 +1 @@
+/** No CSS for this example */

src/assets/angular-material-examples/select-multiple/select-multiple-example.html

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+<mat-form-field>
+    <mat-select placeholder="Toppings" [formControl]="toppings" multiple>
+        <mat-option *ngFor="let topping of toppingList" [value]="topping">{{topping}}</mat-option>
+    </mat-select>
+</mat-form-field>

src/assets/angular-material-examples/select-multiple/select-multiple-example.ts

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+import { Component } from '@angular/core';
+import { FormControl } from '@angular/forms';
+
+/** @title Select with multiple selection */
+@Component({
+    selector   : 'select-multiple-example',
+    templateUrl: 'select-multiple-example.html',
+    styleUrls  : ['select-multiple-example.css']
+})
+export class SelectMultipleExample
+{
+    toppings = new FormControl();
+
+    toppingList = ['Extra cheese', 'Mushroom', 'Onion', 'Pepperoni', 'Sausage', 'Tomato'];
+}