feat: add double parens abbreviations (#523)

Corresponds to [[ and {{ -- they aren't used (yet) in Mathlib but would potentially be used for LaurentSeries notation.
leanprover · Sep 10, 2024 · 63caac0 · 63caac0
1 parent ae40724
commit 63caac0
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/lean4-unicode-input/src/abbreviations.json b/lean4-unicode-input/src/abbreviations.json
@@ -9,6 +9,7 @@
     "()": "($CURSOR)",
     "()_": "($CURSOR)_",
     "([])'": "⟮$CURSOR⟯",
+    "(())": "⸨$CURSOR⸩",
     "f<>": "‹$CURSOR›",
     "f<<>>": "«$CURSOR»",
     "[--]": "⁅$CURSOR⁆",
@@ -1179,6 +1180,8 @@
     "]]": "⟧",
     "{{": "⦃",
     "}}": "⦄",
+    "((": "⸨",
+    "))": "⸩",
     "([": "⟮",
     "])": "⟯",
     "Xi": "Ξ",