feat(math): Support more integral-like operators

sile-typesetter · Sep 8, 2021 · 90a6c44 · 90a6c44
1 parent d439a64
commit 90a6c44
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/core/math.lua b/core/math.lua
@@ -64,9 +64,14 @@ local operatorAtomTypes = {
   ['⋃'] = atomType.bigOperator,
   ['⨅'] = atomType.bigOperator,
   ['⨆'] = atomType.bigOperator,
-  ['∫'] = atomType.bigOperator
+  ['∫'] = atomType.bigOperator,
+  ['∰'] = atomType.bigOperator,
+  ['∮'] = atomType.bigOperator
 }
 
+local subscriptBigOps =
+  {'∫', '∮', '∰'}
+
 -- Foward declaration
 local newSpace
 
@@ -566,7 +571,7 @@ local _bigOpSubscript = _subscript {
   shape = function(self)
     if not (self.mode == mathMode.display
           or self.mode == mathMode.displayCramped)
-        or (self.base and self.base.text == "∫") then
+        or (self.base and contains(subscriptBigOps, self.base.text)) then
       _subscript.shape(self)
       return
     end