Remove quotes around soft modifier names

Author: odersky

compiler/src/dotty/tools/dotc/core/StdNames.scala

@@ -435,7 +435,7 @@ object StdNames {
     val implicitConversions: N  = "implicitConversions"
     val implicitly: N           = "implicitly"
     val in: N                   = "in"
-    val `inline`: N             = "inline"
+    val inline: N               = "inline"
     val info: N                 = "info"
     val inlinedEquals: N        = "inlinedEquals"
     val internal: N             = "internal"
@@ -478,7 +478,7 @@ object StdNames {
     val notify_ : N             = "notify"
     val null_ : N               = "null"
     val ofDim: N                = "ofDim"
-    val `opaque`: N             = "opaque"
+    val opaque: N               = "opaque"
     val origin: N               = "origin"
     val prefix : N              = "prefix"
     val productArity: N         = "productArity"

compiler/src/dotty/tools/dotc/parsing/Parsers.scala

@@ -1740,8 +1740,8 @@ object Parsers {
       case SEALED      => Mod.Sealed()
       case IDENTIFIER =>
         name match {
-          case nme.`inline` => Mod.Inline()
-          case nme.`opaque` => Mod.Opaque()
+          case nme.inline => Mod.Inline()
+          case nme.opaque => Mod.Opaque()
         }
     }
 
@@ -1955,7 +1955,7 @@ object Parsers {
             }
         }
         else {
-          if (isIdent(nme.`inline`) && in.isSoftModifierInParamModifierPosition)
+          if (isIdent(nme.inline) && in.isSoftModifierInParamModifierPosition)
             mods = addModifier(mods)
           mods = atPos(start) { mods | Param }
         }