diff --git a/lib/packages/docutils/rstast.nim b/lib/packages/docutils/rstast.nim
index f5ef0f53d..8f946d973 100644
--- a/lib/packages/docutils/rstast.nim
+++ b/lib/packages/docutils/rstast.nim
@@ -9,7 +9,7 @@
 
 ## This module implements an AST for the `reStructuredText`:idx: parser.
 
-import strutils
+import strutils, json
 
 type
   TRstNodeKind* = enum        ## the possible node kinds of an PRstNode
@@ -286,3 +286,27 @@ proc renderRstToRst*(n: PRstNode, result: var string) =
   var d: TRenderContext
   renderRstToRst(d, n, result)
 
+proc renderRstToJsonNode(node: PRstNode): PJsonNode =
+  result =
+    %[
+      (key: "kind", val: %($node.kind)),
+      (key: "level", val: %BiggestInt(node.level))
+     ]
+  if node.text != nil:
+    result.add("text", %node.text)
+  if node.sons != nil and len(node.sons) > 0:
+    var accm = newSeq[PJsonNode](len(node.sons))
+    for i, son in node.sons:
+      accm[i] = renderRstToJsonNode(son)
+    result.add("sons", %accm)
+
+proc renderRstToJson*(node: PRstNode): string =
+  ## Writes the given RST node as JSON that is in the form
+  ## :: 
+  ##   {
+  ##     "kind":string node.kind,
+  ##     "text":optional string node.text,
+  ##     "level":optional int node.level,
+  ##     "sons":optional node array
+  ##   }
+  renderRstToJsonNode(node).pretty
diff --git a/lib/pure/asyncdispatch.nim b/lib/pure/asyncdispatch.nim
index ef2bab875..880458ee5 100644
--- a/lib/pure/asyncdispatch.nim
+++ b/lib/pure/asyncdispatch.nim
@@ -922,7 +922,7 @@ macro async*(prc: stmt): stmt {.immediate.} =
 
   result[6] = outerProcBody
 
-  echo(toStrLit(result))
+  #echo(toStrLit(result))
 
 proc recvLine*(socket: TAsyncFD): PFuture[string] {.async.} =
   ## Reads a line of data from ``socket``. Returned future will complete once
diff --git a/lib/windows/winlean.nim b/lib/windows/winlean.nim
index 4d87cf4b2..69a3c5c81 100644
--- a/lib/windows/winlean.nim
+++ b/lib/windows/winlean.nim
@@ -657,7 +657,12 @@ type
     D4*: array [0..7, int8]
 
 const
-  ERROR_IO_PENDING* = 997
+  ERROR_IO_PENDING* = 997 # a.k.a WSA_IO_PENDING
+  WSAECONNABORTED* = 10053
+  WSAECONNRESET* = 10054
+  WSAEDISCON* = 10101
+  WSAENETRESET* = 10052
+  WSAETIMEDOUT* = 10060
 
 proc CreateIoCompletionPort*(FileHandle: THANDLE, ExistingCompletionPort: THANDLE,
                              CompletionKey: DWORD,
diff --git a/tests/assert/tfailedassert.nim b/tests/assert/tfailedassert.nim
index 263893767..4994e13c8 100644
--- a/tests/assert/tfailedassert.nim
+++ b/tests/assert/tfailedassert.nim
@@ -3,7 +3,7 @@ discard """
 WARNING: false first asseertion from bar
 ERROR: false second assertion from bar
 -1
-tests/assert/tfailedassert.nim:27 false assertion from foo
+tfailedassert.nim:27 false assertion from foo
 '''
 """