add test files.

test/test_diff_revisions/test_unicode_highlight_to

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+{{Charabox|chara_name=Usagi Tsukino
+|image_filename=Smoon.png
+|image_description_1=Usagi Tsukino as Sailor Moon
+|image_description_2=Usagi Tsukino as Sailor Moon
+|birthday=June 30
+|astrosign=Cancer
+|bloodtype=O
+|family=[[Ikuko Tsukino]] (mother),
+
+[[Kenji Tsukino]] (father), 
+
+[[Shingo Tsukino]] (brother)
+|hobbies=Sleeping and eating
+|sports=None
+|color=Pink and white
+|class=Home economics
+|noclass=English, math
+|food=Ice cream, cake
+|nofood=Carrots
+|place=Château de Versailles
+|fortune=Usagi and Naru go to a
+fortune-telling house
+|habit=Smiles to cheat people
+|skill=Blackmailing,
+persuades people by cying
+|likes=White rabbits
+|dislikes=Dentists
+|motto=A sleeping child grows fast
+|stone=Diamond
+|titles=Sailor Moon,
+
+Princess Serenity,
+ 
+Neo-Queen Serenity}}