null -> null1

Author: chenglou

analysis/src/Commands.ml

@@ -52,7 +52,7 @@ let completion ~path ~line ~col ~currentFile =
 let hover ~file ~line ~col ~extra ~package =
   let pos = Utils.protocolLineColToCmtLoc ~line ~col in
   match References.locItemForPos ~extra pos with
-  | None -> Protocol.null
+  | None -> Protocol.null1
   | Some locItem -> (
     let isModule =
       match locItem.locType with

analysis/src/Protocol.ml

@@ -19,6 +19,7 @@ type location = {uri : string; range : range}
 type documentSymbolItem = {name : string; kind : int; location : location}
 
 let null = "null"
+let null1 = "null1"
 let null2 = "null2"
 let null3 = "null3"