Restore failed when project.json has commented out sections

[mkosieradzki]

In general project.json can contain comments and works correctly. But in some cases when opening solution in Visual Studio 2015 RC there is following error:

IMO: comments in project.json should be allowed or disallowed - not something between :). (In this specific case I use // - style comments.

Restore failed
Illegal character '/' (Unicode hexadecimal 002F).
Microsoft .NET Development Utility CLR-x86-1.0.0-beta5-12087

Restoring packages for [MyPath]\project.json

[MyPath]\project.json(19,5): Error: Microsoft.Framework.Runtime.FileFormatException: Illegal character '/' (Unicode hexadecimal 002F). ---> Microsoft.Framework.Runtime.Json.JsonDeserializerException: Illegal character '/' (Unicode hexadecimal 002F).
at Microsoft.Framework.Runtime.Json.JsonBuffer.Read()
at Microsoft.Framework.Runtime.Json.JsonDeserializer.DeserializeObject(JsonToken head, JsonBuffer buffer)
at Microsoft.Framework.Runtime.Json.JsonDeserializer.DeserializeInternal(JsonToken next, JsonBuffer buffer)
at Microsoft.Framework.Runtime.Json.JsonDeserializer.DeserializeObject(JsonToken head, JsonBuffer buffer)
at Microsoft.Framework.Runtime.Json.JsonDeserializer.DeserializeInternal(JsonToken next, JsonBuffer buffer)
at Microsoft.Framework.Runtime.Json.JsonDeserializer.Deserialize(TextReader reader)
at Microsoft.Framework.Runtime.Project.GetProjectFromStream(Stream stream, String projectName, String projectPath, ICollection1 diagnostics) at Microsoft.Framework.Runtime.Project.TryGetProject(String path, Project& project, ICollection1 diagnostics)
--- End of inner exception stack trace ---
at Microsoft.Framework.Runtime.Project.TryGetProject(String path, Project& project, ICollection`1 diagnostics)
at Microsoft.Framework.PackageManager.RestoreCommand.d__77.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.Framework.PackageManager.RestoreCommand.<>c__DisplayClass76_0.<b__1>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.Framework.PackageManager.RestoreCommand.d__76.MoveNext()

[guardrex]

Comments are not allowed in JSON and enforced for .NET projects currently: aspnet/Announcements#24

[mkosieradzki]

@guardrex
Thanks for linking proper announcement - couldn't find it.