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diff --git a/debian/missing-sources/leaflet.js/core/Browser.js b/debian/missing-sources/leaflet.js/core/Browser.js
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+import {svgCreate} from '../layer/vector/SVG.Util';
+
+/*
+ * @namespace Browser
+ * @aka L.Browser
+ *
+ * A namespace with static properties for browser/feature detection used by Leaflet internally.
+ *
+ * @example
+ *
+ * ```js
+ * if (L.Browser.ielt9) {
+ *   alert('Upgrade your browser, dude!');
+ * }
+ * ```
+ */
+
+var style = document.documentElement.style;
+
+// @property ie: Boolean; `true` for all Internet Explorer versions (not Edge).
+export var ie = 'ActiveXObject' in window;
+
+// @property ielt9: Boolean; `true` for Internet Explorer versions less than 9.
+export var ielt9 = ie && !document.addEventListener;
+
+// @property edge: Boolean; `true` for the Edge web browser.
+export var edge = 'msLaunchUri' in navigator && !('documentMode' in document);
+
+// @property webkit: Boolean;
+// `true` for webkit-based browsers like Chrome and Safari (including mobile versions).
+export var webkit = userAgentContains('webkit');
+
+// @property android: Boolean
+// `true` for any browser running on an Android platform.
+export var android = userAgentContains('android');
+
+// @property android23: Boolean; `true` for browsers running on Android 2 or Android 3.
+export var android23 = userAgentContains('android 2') || userAgentContains('android 3');
+
+/* See https://stackoverflow.com/a/17961266 for details on detecting stock Android */
+var webkitVer = parseInt(/WebKit\/([0-9]+)|$/.exec(navigator.userAgent)[1], 10); // also matches AppleWebKit
+// @property androidStock: Boolean; `true` for the Android stock browser (i.e. not Chrome)
+export var androidStock = android && userAgentContains('Google') && webkitVer < 537 && !('AudioNode' in window);
+
+// @property opera: Boolean; `true` for the Opera browser
+export var opera = !!window.opera;
+
+// @property chrome: Boolean; `true` for the Chrome browser.
+export var chrome = userAgentContains('chrome');
+
+// @property gecko: Boolean; `true` for gecko-based browsers like Firefox.
+export var gecko = userAgentContains('gecko') && !webkit && !opera && !ie;
+
+// @property safari: Boolean; `true` for the Safari browser.
+export var safari = !chrome && userAgentContains('safari');
+
+export var phantom = userAgentContains('phantom');
+
+// @property opera12: Boolean
+// `true` for the Opera browser supporting CSS transforms (version 12 or later).
+export var opera12 = 'OTransition' in style;
+
+// @property win: Boolean; `true` when the browser is running in a Windows platform
+export var win = navigator.platform.indexOf('Win') === 0;
+
+// @property ie3d: Boolean; `true` for all Internet Explorer versions supporting CSS transforms.
+export var ie3d = ie && ('transition' in style);
+
+// @property webkit3d: Boolean; `true` for webkit-based browsers supporting CSS transforms.
+export var webkit3d = ('WebKitCSSMatrix' in window) && ('m11' in new window.WebKitCSSMatrix()) && !android23;
+
+// @property gecko3d: Boolean; `true` for gecko-based browsers supporting CSS transforms.
+export var gecko3d = 'MozPerspective' in style;
+
+// @property any3d: Boolean
+// `true` for all browsers supporting CSS transforms.
+export var any3d = !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d) && !opera12 && !phantom;
+
+// @property mobile: Boolean; `true` for all browsers running in a mobile device.
+export var mobile = typeof orientation !== 'undefined' || userAgentContains('mobile');
+
+// @property mobileWebkit: Boolean; `true` for all webkit-based browsers in a mobile device.
+export var mobileWebkit = mobile && webkit;
+
+// @property mobileWebkit3d: Boolean
+// `true` for all webkit-based browsers in a mobile device supporting CSS transforms.
+export var mobileWebkit3d = mobile && webkit3d;
+
+// @property msPointer: Boolean
+// `true` for browsers implementing the Microsoft touch events model (notably IE10).
+export var msPointer = !window.PointerEvent && window.MSPointerEvent;
+
+// @property pointer: Boolean
+// `true` for all browsers supporting [pointer events](https://msdn.microsoft.com/en-us/library/dn433244%28v=vs.85%29.aspx).
+export var pointer = !!(window.PointerEvent || msPointer);
+
+// @property touch: Boolean
+// `true` for all browsers supporting [touch events](https://developer.mozilla.org/docs/Web/API/Touch_events).
+// This does not necessarily mean that the browser is running in a computer with
+// a touchscreen, it only means that the browser is capable of understanding
+// touch events.
+export var touch = !window.L_NO_TOUCH && (pointer || 'ontouchstart' in window ||
+		(window.DocumentTouch && document instanceof window.DocumentTouch));
+
+// @property mobileOpera: Boolean; `true` for the Opera browser in a mobile device.
+export var mobileOpera = mobile && opera;
+
+// @property mobileGecko: Boolean
+// `true` for gecko-based browsers running in a mobile device.
+export var mobileGecko = mobile && gecko;
+
+// @property retina: Boolean
+// `true` for browsers on a high-resolution "retina" screen.
+export var retina = (window.devicePixelRatio || (window.screen.deviceXDPI / window.screen.logicalXDPI)) > 1;
+
+
+// @property canvas: Boolean
+// `true` when the browser supports [`<canvas>`](https://developer.mozilla.org/docs/Web/API/Canvas_API).
+export var canvas = (function () {
+	return !!document.createElement('canvas').getContext;
+}());
+
+// @property svg: Boolean
+// `true` when the browser supports [SVG](https://developer.mozilla.org/docs/Web/SVG).
+export var svg = !!(document.createElementNS && svgCreate('svg').createSVGRect);
+
+// @property vml: Boolean
+// `true` if the browser supports [VML](https://en.wikipedia.org/wiki/Vector_Markup_Language).
+export var vml = !svg && (function () {
+	try {
+		var div = document.createElement('div');
+		div.innerHTML = '<v:shape adj="1"/>';
+
+		var shape = div.firstChild;
+		shape.style.behavior = 'url(#default#VML)';
+
+		return shape && (typeof shape.adj === 'object');
+
+	} catch (e) {
+		return false;
+	}
+}());
+
+
+function userAgentContains(str) {
+	return navigator.userAgent.toLowerCase().indexOf(str) >= 0;
+}