Update scala 2.13.0-M5 to 2.13.0-RC1 (#294)

* Update specs2 to 4.5.1

* Update scala 2.13.0-M5 to 2.13.0-RC1

* Replace deprecated unicode arrows

* Replace deprecated symbol literals

* Update scala 2.12.7 to 2.12.8

* Update sbt to 1.2.8

* Update sbt-osgi to 0.9.5

* Update dependencies for scala 2.10.x

8 files changed, 17 insertions, 17 deletions

diff --git a/.travis.yml b/.travis.yml
index 00a1123..bd45fa7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,8 +3,8 @@ language: scala
 scala:
   - 2.10.7
   - 2.11.12
-  - 2.12.7
-  - 2.13.0-M5
+  - 2.12.8
+  - 2.13.0-RC1
 
 jdk:
   - oraclejdk8
@@ -12,7 +12,7 @@ jdk:
 matrix:
   include:
   - jdk: openjdk11
-    scala: 2.12.7
+    scala: 2.12.8
 
 script:
   - sbt "++ ${TRAVIS_SCALA_VERSION}!" test mimaReportBinaryIssues
diff --git a/build.sbt b/build.sbt
index cdde0db..bb126e6 100644
--- a/build.sbt
+++ b/build.sbt
@@ -22,13 +22,13 @@ resolvers += Opts.resolver.sonatypeReleases
 
 libraryDependencies ++= (CrossVersion.partialVersion(scalaVersion.value) match {
   case Some((2, 10)) => Seq(
-    "org.specs2" %% "specs2-core" % "3.8.9" % "test",
-    "org.specs2" %% "specs2-scalacheck" % "3.8.9" % "test",
-    "org.scalacheck" %% "scalacheck" % "1.13.4" % "test"
+    "org.specs2" %% "specs2-core" % "3.10.0" % "test",
+    "org.specs2" %% "specs2-scalacheck" % "3.10.0" % "test",
+    "org.scalacheck" %% "scalacheck" % "1.14.0" % "test"
   )
   case Some((2, n)) if n >= 11 => Seq(
-    "org.specs2" %% "specs2-core" % "4.3.5" % "test",
-    "org.specs2" %% "specs2-scalacheck" % "4.3.5" % "test",
+    "org.specs2" %% "specs2-core" % "4.5.1" % "test",
+    "org.specs2" %% "specs2-scalacheck" % "4.5.1" % "test",
     "org.scalacheck" %% "scalacheck" % "1.14.0" % "test"
   )
   case _ => Nil
@@ -67,7 +67,7 @@ mimaBinaryIssueFilters := Seq(
 // publishing
 ///////////////
 
-crossScalaVersions := Seq("2.12.7", "2.10.7", "2.11.12", "2.13.0-M5")
+crossScalaVersions := Seq("2.12.8", "2.10.7", "2.11.12", "2.13.0-RC1")
 
 publishMavenStyle := true
 
diff --git a/project/build.properties b/project/build.properties
index 7c58a83..c0bab04 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.2.6
+sbt.version=1.2.8
diff --git a/project/plugins.sbt b/project/plugins.sbt
index ed1a250..41badc2 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,6 +1,6 @@
 addSbtPlugin("io.spray" % "sbt-boilerplate" % "0.6.1")
 
-addSbtPlugin("com.typesafe.sbt" % "sbt-osgi" % "0.9.4")
+addSbtPlugin("com.typesafe.sbt" % "sbt-osgi" % "0.9.5")
 
 addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.1.2")
 
diff --git a/src/main/scala/spray/json/JsonParser.scala b/src/main/scala/spray/json/JsonParser.scala
index 3efdac8..7dfae0a 100644
--- a/src/main/scala/spray/json/JsonParser.scala
+++ b/src/main/scala/spray/json/JsonParser.scala
@@ -231,7 +231,7 @@ class JsonParser(input: ParserInput, settings: JsonParserSettings = JsonParserSe
       s"Unexpected $unexpected at input index $cursor (line $lineNr, position $col), expected $expected"
     }
     val detail = {
-      val sanitizedText = text.map(c ⇒ if (Character.isISOControl(c)) '?' else c)
+      val sanitizedText = text.map(c => if (Character.isISOControl(c)) '?' else c)
       s"\n$sanitizedText\n${" " * (col-1)}^\n"
     }
     throw new ParsingException(summary, detail)
diff --git a/src/main/scala/spray/json/JsonPrinter.scala b/src/main/scala/spray/json/JsonPrinter.scala
index f132ab9..42cbab4 100644
--- a/src/main/scala/spray/json/JsonPrinter.scala
+++ b/src/main/scala/spray/json/JsonPrinter.scala
@@ -59,8 +59,8 @@ trait JsonPrinter extends (JsValue => String) {
 
     sb.append('"')
     firstToBeEncoded() match {
-      case -1 ⇒ sb.append(s)
-      case first ⇒
+      case -1 => sb.append(s)
+      case first =>
         sb.append(s, 0, first)
         @tailrec def append(ix: Int): Unit =
           if (ix < s.length) {
diff --git a/src/test/scala/spray/json/BasicFormatsSpec.scala b/src/test/scala/spray/json/BasicFormatsSpec.scala
index 8417df2..454e1cc 100644
--- a/src/test/scala/spray/json/BasicFormatsSpec.scala
+++ b/src/test/scala/spray/json/BasicFormatsSpec.scala
@@ -158,10 +158,10 @@ class BasicFormatsSpec extends Specification with DefaultJsonProtocol {
   
   "The SymbolJsonFormat" should {
     "convert a Symbol to a JsString" in {
-      'Hello.toJson mustEqual JsString("Hello")
+      Symbol("Hello").toJson mustEqual JsString("Hello")
     }
     "convert a JsString to a Symbol" in {
-      JsString("Hello").convertTo[Symbol] mustEqual 'Hello
+      JsString("Hello").convertTo[Symbol] mustEqual Symbol("Hello")
     }
   }
   
diff --git a/src/test/scala/spray/json/ProductFormatsSpec.scala b/src/test/scala/spray/json/ProductFormatsSpec.scala
index 9eabc50..f42c46d 100644
--- a/src/test/scala/spray/json/ProductFormatsSpec.scala
+++ b/src/test/scala/spray/json/ProductFormatsSpec.scala
@@ -65,7 +65,7 @@ class ProductFormatsSpec extends Specification {
       Test2(42, None).toJson mustEqual JsObject("a" -> JsNumber(42))
     }
     "ignore additional members during deserialization" in {
-      JsObject("a" -> JsNumber(42), "b" -> JsNumber(4.2), "c" -> JsString('no)).convertTo[Test2] mustEqual obj
+      JsObject("a" -> JsNumber(42), "b" -> JsNumber(4.2), "c" -> JsString(Symbol("no"))).convertTo[Test2] mustEqual obj
     }
     "not depend on any specific member order for deserialization" in {
       JsObject("b" -> JsNumber(4.2), "a" -> JsNumber(42)).convertTo[Test2] mustEqual obj