Intentional trailing slashes should be left alone

lib/notification.js

@@ -321,7 +321,8 @@ Notification.prototype.trim = function(length) {
 		return length - tooLong;
 	}
 	escaped = this.truncateStringToLength(escaped, length - tooLong, encoding);
-	escaped = escaped.replace(/(\\+|\\u[0-9a-fA-F]{0,3})$/, "");
+	escaped = escaped.replace(/(\\u[0-9a-fA-F]{0,3})$/, "");
+	escaped = escaped.replace(/([^\\])\\$/, "$1");
 
 	var trimmed = Buffer.byteLength(escaped, encoding);
 	escaped = JSON.parse("\"" + escaped + "\"");

test/notification.js

@@ -143,9 +143,15 @@ describe("Notification", function() {
 					expect(note.alert).to.equal("\n\n");
 				});
 				
-				it("strips orphaned escape character", function () {
+				it("leaves escaped escape character intact", function() {
 					note.alert = "test\\ message";
 					note.trim(26);
+					expect(note.alert).to.equal("test\\");
+				});
+
+				it("strips orphaned escape character", function () {
+					note.alert = "test\\ message";
+					note.trim(25);
 					expect(note.alert).to.equal("test");
 				});
 			});