From 63caac0fd014bcea5258fe617a00ae0db06478b1 Mon Sep 17 00:00:00 2001
From: Julian Berman <Julian@GrayVines.com>
Date: Tue, 10 Sep 2024 03:39:35 -0400
Subject: [PATCH] feat: add double parens abbreviations (#523)

Corresponds to [[ and {{ -- they aren't used (yet) in Mathlib but would
potentially be used for LaurentSeries notation.
---
 lean4-unicode-input/src/abbreviations.json | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lean4-unicode-input/src/abbreviations.json b/lean4-unicode-input/src/abbreviations.json
index 326b54d86..712162bc9 100644
--- 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",