Merge pull request #285 from erdOne/patch-1

 Add `\specializes` → ⤳ abbreviation

Author: gebner

src/abbreviation/abbreviations.json

@@ -707,6 +707,8 @@
     "succsim": "≿",
     "succ": "≻",
     "sum": "∑",
+    "specializes": "⤳",
+    "~>": "⤳",
     "squbn": "⋢",
     "squb": "⊑",
     "squpn": "⋣",