Created SC1016 (markdown)

SC1016.md

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+## This is a unicode single quote. Delete and retype it.
+
+### Problematic code:
+
+    echo ‘hello world’
+
+### Correct code:
+
+    echo 'hello world'
+
+### Rationale:
+
+Some software, like OS X, Word and Wordpress, may automatically replace your regular quotes with slanted unicode quotes. Try deleting and retyping them, and/or disable "smart quotes" in your editor or OS.
+
+### Contraindications
+
+None