From 080ea7cec5c7a897bb2e50dbd476cdcde3241f59 Mon Sep 17 00:00:00 2001
From: Malo <57839069+MDLC01@users.noreply.github.com>
Date: Tue, 28 Oct 2025 10:46:09 +0100
Subject: [PATCH 1/3] Add missing `subset` and `supset` variants

---
 src/modules/sym.txt | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/modules/sym.txt b/src/modules/sym.txt
index e305e75..42f568b 100644
--- a/src/modules/sym.txt
+++ b/src/modules/sym.txt
@@ -415,27 +415,47 @@ in ∈
   .rev.small ∍
   .small ∊
 subset ⊂
+  .approx ⫉
+  .closed ⫏
+  .closed.eq ⫑
   .dot ⪽
   .double ⋐
   .eq ⊆
+  .eq.dot ⫃
   .eq.not ⊈
   .eq.sq ⊑
   .eq.sq.not ⋢
+  .equiv ⫅
   .neq ⊊
+  .nequiv ⫋
   .not ⊄
+  .open ⟃
+  .plus ⪿
   .sq ⊏
   .sq.neq ⋤
+  .tilde ⫇
+  .times ⫁
 supset ⊃
+  .approx ⫊
+  .closed ⫐
+  .closed.eq ⫒
   .dot ⪾
   .double ⋑
   .eq ⊇
+  .eq.dot ⫄
   .eq.not ⊉
   .eq.sq ⊒
   .eq.sq.not ⋣
+  .equiv ⫆
   .neq ⊋
+  .nequiv ⫌
   .not ⊅
+  .open ⟄
+  .plus ⫀
   .sq ⊐
   .sq.neq ⋥
+  .tilde ⫈
+  .times ⫂
 union ∪
   .arrow ⊌
   .big ⋃

From 5de39d8d6a0a8848f11841eae6e57d8c5b1fd09a Mon Sep 17 00:00:00 2001
From: Malo <57839069+MDLC01@users.noreply.github.com>
Date: Tue, 28 Oct 2025 10:46:18 +0100
Subject: [PATCH 2/3] Update changelog

---
 CHANGELOG.md | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 615d9c7..9c174dc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,28 @@
 
 ### New in `sym`
 
+- Mathematical symbols
+  - `subset.approx`: ⫉
+  - `subset.closed`: ⫏
+  - `subset.closed.eq`: ⫑
+  - `subset.eq.dot`: ⫃
+  - `subset.equiv`: ⫅
+  - `subset.nequiv`: ⫋
+  - `subset.open`: ⟃
+  - `subset.plus`: ⪿
+  - `subset.tilde`: ⫇
+  - `subset.times`: ⫁
+  - `supset.approx`: ⫊
+  - `supset.closed`: ⫐
+  - `supset.closed.eq`: ⫒
+  - `supset.eq.dot`: ⫄
+  - `supset.equiv`: ⫆
+  - `supset.nequiv`: ⫌
+  - `supset.open`: ⟄
+  - `supset.plus`: ⫀
+  - `supset.tilde`: ⫈
+  - `supset.times`: ⫂
+
 - Currency
   - `riyal`: ⃁
 

From ef23573600b3aab762e9200ab99f79701ba16ff1 Mon Sep 17 00:00:00 2001
From: Malo <57839069+MDLC01@users.noreply.github.com>
Date: Fri, 31 Oct 2025 11:56:19 +0100
Subject: [PATCH 3/3] Remove open variants

---
 CHANGELOG.md        | 2 --
 src/modules/sym.txt | 2 --
 2 files changed, 4 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c174dc..75c18c2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,7 +11,6 @@
   - `subset.eq.dot`: ⫃
   - `subset.equiv`: ⫅
   - `subset.nequiv`: ⫋
-  - `subset.open`: ⟃
   - `subset.plus`: ⪿
   - `subset.tilde`: ⫇
   - `subset.times`: ⫁
@@ -21,7 +20,6 @@
   - `supset.eq.dot`: ⫄
   - `supset.equiv`: ⫆
   - `supset.nequiv`: ⫌
-  - `supset.open`: ⟄
   - `supset.plus`: ⫀
   - `supset.tilde`: ⫈
   - `supset.times`: ⫂
diff --git a/src/modules/sym.txt b/src/modules/sym.txt
index 42f568b..cbff78f 100644
--- a/src/modules/sym.txt
+++ b/src/modules/sym.txt
@@ -429,7 +429,6 @@ subset ⊂
   .neq ⊊
   .nequiv ⫋
   .not ⊄
-  .open ⟃
   .plus ⪿
   .sq ⊏
   .sq.neq ⋤
@@ -450,7 +449,6 @@ supset ⊃
   .neq ⊋
   .nequiv ⫌
   .not ⊅
-  .open ⟄
   .plus ⫀
   .sq ⊐
   .sq.neq ⋥