Non-anchor source words that are matched in the shadow algorithm have their...

Non-anchor source words that are matched in the shadow algorithm have their shadow attribute set to the corresponding shadow word.

umbra/anchor_algorithm.py

@@ -82,6 +82,7 @@ class AnchorAlgorithm(AlignmentStrategy):
                         found = True
                         competing_over = None
                         src_word.shadowed = True
+                        src_word.shadow = shd_word
                         shd_word.correct = True
                         shd_word.source = src_word
                     else:  # If potential shadow is already flagged, store it
@@ -89,6 +90,7 @@ class AnchorAlgorithm(AlignmentStrategy):
         # If true, then competing_over was wrongly flagged as correct:
         if competing_over is not None:
             competing_over.source.shadowed = False
+            competing_over.source.shadow = None
             competing_over.source = src_word  # Shadow to new source word
             src_word.shadowed = True