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https://issues.apache.org/jira/browse/TINKERPOP-1874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16337457#comment-16337457
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ASF GitHub Bot commented on TINKERPOP-1874:
-------------------------------------------

Github user jorgebay commented on a diff in the pull request:

    https://github.com/apache/tinkerpop/pull/784#discussion_r163525550
  
    --- Diff: docs/src/dev/io/graphson.asciidoc ---
    @@ -3580,6 +3572,41 @@ The following `Bytecode` example represents the 
traversal of `g.V().hasLabel('pe
     }
     ----
     
    +==== P within
    --- End diff --
    
    Good idea to add `within` and `without` examples. Can we also add a little 
introductory text saying that `P` expects a single value or a list of values, 
except in the case of `within` and `without` where its always a list of values?


> P does not appear to be serialized consistently in GraphSON
> -----------------------------------------------------------
>
>                 Key: TINKERPOP-1874
>                 URL: https://issues.apache.org/jira/browse/TINKERPOP-1874
>             Project: TinkerPop
>          Issue Type: Bug
>          Components: io
>    Affects Versions: 3.2.7
>            Reporter: stephen mallette
>            Assignee: stephen mallette
>            Priority: Major
>
> {{P}} deserialization seems to expect {{List}} arguments for collection 
> oriented operators like {{within}} and {{outside}} so {{P.without("x")}} 
> should wrap "x" in a {{List}} for serialization purposes. This causes 
> weirdness in some GLVs. For example in .NET we see that the use of 
> {{P.without("x")}} fails to deserialize the bytecode, but {{P.Without(new 
> List<string>{"x"})}} will work fine. Just need to get this all straight and 
> consistent.



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