Correctly parse escaped fields at end of line when followed by a deli…

…miter [fixes #89]

.gitignore

@@ -10,3 +10,4 @@ mix.lock
 .envrc
 *.hist
 *.ez
+.tool-versions

lib/csv/decoding/parser.ex

@@ -50,6 +50,9 @@ defmodule CSV.Decoding.Parser do
       {:separator, _} ->
         parse(row ++ [field |> strip(options)], "", tokens, :unescaped, options)
 
+      {:delimiter, _} ->
+        parse(row, field, tokens, :unescaped, options)
+
       _ ->
         {:error, StrayQuoteError, field}
     end

test/escaped_fields_test.exs

@@ -9,6 +9,13 @@ defmodule EscapedFieldsTest do
     assert result == [["a", "be\r\nc,d\r\ne,f"], ~w(g h)]
   end
 
+  test "does parse escape sequences in each field correctly" do
+    stream = ["a,\"b\",\"c\"\n", "\"d\",e,\"f\"\"\"\n"] |> to_stream
+    result = CSV.decode(stream) |> Enum.take(2)
+
+    assert result == [ok: ["a", "b", "c"], ok: ["d", "e", "f\""]]
+  end
+
   test "collects rows with fields and escape sequences spanning multiple lines" do
     stream =
       [