Draft PR with testcases

Author: larseggert

testcases.md

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+craftsman penmanship
+black
+whitening
+management
+sheer
+blacklist
+word dummy word
+guys and ladies and guybrush
+Herbert
+manhandle
+crippling handicap
+elderly man
+non-native traditions
+traditionally
+nothing to see here!
+Did I break something?