fixes #1799 properly

tests/parser/tdoc_comments.nim

@@ -0,0 +1,71 @@
+
+# bug #1799
+
+proc MyProc1*() = ## Comment behind procedure
+  discard
+
+proc MyProc2*() =
+  ## Comment below procedure
+  discard
+
+
+template MyTemplate1*() = discard ## Comment behind template
+
+template MyTemplate2*() = discard
+  ## Comment below template
+
+
+const
+  MyConst1* = 1 ## Comment behind constant
+  MyConst2* = 2
+    ## Comment below constant
+
+
+var
+  MyVar1* = 1 ## Comment behind variable
+  MyVar2* = 2
+    ## Comment below variable
+
+
+type
+  MyObject1* = object
+    ## Comment below declaration
+    field1*: int ## Comment behind field
+    field2*: int ## Comment behind field
+    field3*: int
+      ## Comment below field
+    field4*: int
+      ## Comment below field
+
+  MyObject2* = object ## Comment behind declaration
+    field1*: int
+
+
+type
+  MyTuple1* = tuple
+    ## Comment below declaration
+    field1: int ## Comment behind field
+    field2: int ## Comment behind field
+    field3: int
+      ## Comment below field
+    field4: int
+      ## Comment below field
+
+  MyTuple2* = tuple ## Comment behind declaration
+    field1: int
+
+
+type
+  MyEnum1* = enum
+    ## Comment below declaration
+    value1, ## Comment behind value
+    value2,
+      ## Comment below value with comma
+    value3
+      ## Comment below value without comma
+
+  MyEnum2* = enum ## Comment behind declaration
+    value4
+
+  MyEnum3* = enum
+    value5  ## only document the enum value