Fixed error message related to escaping curly braces.

src/Microsoft.AspNetCore.Routing/Properties/Resources.Designer.cs

@@ -363,7 +363,7 @@ namespace Microsoft.AspNetCore.Routing
         }
 
         /// <summary>
-        /// In a route parameter, '{' and '}' must be escaped with '{{' and '}}'
+        /// In a route parameter, '{' and '}' must be escaped with '{{' and '}}'.
         /// </summary>
         internal static string TemplateRoute_UnescapedBrace
         {
@@ -371,7 +371,7 @@ namespace Microsoft.AspNetCore.Routing
         }
 
         /// <summary>
-        /// In a route parameter, '{' and '}' must be escaped with '{{' and '}}'
+        /// In a route parameter, '{' and '}' must be escaped with '{{' and '}}'.
         /// </summary>
         internal static string FormatTemplateRoute_UnescapedBrace()
         {

src/Microsoft.AspNetCore.Routing/Resources.resx

@@ -1,17 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <!-- 
+  <!--
-    Microsoft ResX Schema 
+    Microsoft ResX Schema
-    
+
     Version 2.0
-    
+
-    The primary goals of this format is to allow a simple XML format 
+    The primary goals of this format is to allow a simple XML format
-    that is mostly human readable. The generation and parsing of the 
+    that is mostly human readable. The generation and parsing of the
-    various data types are done through the TypeConverter classes 
+    various data types are done through the TypeConverter classes
     associated with the data types.
-    
+
     Example:
-    
+
     ... ado.net/XML headers & schema ...
     <resheader name="resmimetype">text/microsoft-resx</resheader>
     <resheader name="version">2.0</resheader>
@@ -26,36 +26,36 @@
         <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
         <comment>This is a comment</comment>
     </data>
-                
+
-    There are any number of "resheader" rows that contain simple 
+    There are any number of "resheader" rows that contain simple
     name/value pairs.
-    
+
-    Each data row contains a name, and value. The row also contains a 
+    Each data row contains a name, and value. The row also contains a
-    type or mimetype. Type corresponds to a .NET class that support 
+    type or mimetype. Type corresponds to a .NET class that support
-    text/value conversion through the TypeConverter architecture. 
+    text/value conversion through the TypeConverter architecture.
-    Classes that don't support this are serialized and stored with the 
+    Classes that don't support this are serialized and stored with the
     mimetype set.
-    
+
-    The mimetype is used for serialized objects, and tells the 
+    The mimetype is used for serialized objects, and tells the
-    ResXResourceReader how to depersist the object. This is currently not 
+    ResXResourceReader how to depersist the object. This is currently not
     extensible. For a given mimetype the value must be set accordingly:
-    
+
-    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    Note - application/x-microsoft.net.object.binary.base64 is the format
-    that the ResXResourceWriter will generate, however the reader can 
+    that the ResXResourceWriter will generate, however the reader can
     read any of the formats listed below.
-    
+
     mimetype: application/x-microsoft.net.object.binary.base64
-    value   : The object must be serialized with 
+    value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
             : and then encoded with base64 encoding.
-    
+
     mimetype: application/x-microsoft.net.object.soap.base64
-    value   : The object must be serialized with 
+    value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
             : and then encoded with base64 encoding.
 
     mimetype: application/x-microsoft.net.object.bytearray.base64
-    value   : The object must be serialized into a byte array 
+    value   : The object must be serialized into a byte array
             : using a System.ComponentModel.TypeConverter
             : and then encoded with base64 encoding.
     -->
@@ -184,7 +184,7 @@
     <value>The constraint entry '{0}' - '{1}' on the route '{2}' could not be resolved by the constraint resolver of type '{3}'.</value>
   </data>
   <data name="TemplateRoute_UnescapedBrace" xml:space="preserve">
-    <value>In a route parameter, '{' and '}' must be escaped with '{{' and '}}'</value>
+    <value>In a route parameter, '{' and '}' must be escaped with '{{' and '}}'.</value>
   </data>
   <data name="TemplateRoute_OptionalParameterCanbBePrecededByPeriod" xml:space="preserve">
     <value>In the segment '{0}', the optional parameter '{1}' is preceded by an invalid segment '{2}'.  Only a period (.) can precede an optional parameter.</value>

test/Microsoft.AspNetCore.Routing.Tests/Template/TemplateParserTests.cs

@@ -521,7 +521,7 @@ namespace Microsoft.AspNetCore.Routing.Template.Tests
             // Act and Assert
             ExceptionAssert.Throws<ArgumentException>(
                 () => TemplateParser.Parse(template),
-                "In a route parameter, '{' and '}' must be escaped with '{{' and '}}'" + Environment.NewLine +
+                "In a route parameter, '{' and '}' must be escaped with '{{' and '}}'." + Environment.NewLine +
                 "Parameter name: routeTemplate");
         }
 
@@ -532,8 +532,8 @@ namespace Microsoft.AspNetCore.Routing.Template.Tests
         [InlineData("{p1}.{p2?})", "p2", ")")]
         [InlineData("{foorb?}-bar-{z}", "foorb", "-bar-")]
         public void Parse_ComplexSegment_OptionalParameter_NotTheLastPart(
-            string template, 
+            string template,
-            string parameter, 
+            string parameter,
             string invalid)
         {
             // Act and Assert
@@ -554,8 +554,8 @@ namespace Microsoft.AspNetCore.Routing.Template.Tests
             // Act and Assert
             ExceptionAssert.Throws<ArgumentException>(
                 () => TemplateParser.Parse(template),
-                "In the complex segment '"+ template +"',  the optional parameter 'p2' is preceded by an invalid " + 
+                "In the complex segment '"+ template +"',  the optional parameter 'p2' is preceded by an invalid " +
-                "segment '" + parameter +"'. Only valid literal to precede an optional parameter is a period (.)." + 
+                "segment '" + parameter +"'. Only valid literal to precede an optional parameter is a period (.)." +
                 Environment.NewLine + "Parameter name: routeTemplate");
         }
 
@@ -708,7 +708,7 @@ namespace Microsoft.AspNetCore.Routing.Template.Tests
         {
             ExceptionAssert.Throws<ArgumentException>(
                 () => TemplateParser.Parse("{a}/{a{aa}/{z}"),
-                "In a route parameter, '{' and '}' must be escaped with '{{' and '}}'" + Environment.NewLine +
+                "In a route parameter, '{' and '}' must be escaped with '{{' and '}}'." + Environment.NewLine +
                 "Parameter name: routeTemplate");
         }