Compare properties of subscript and superscript.

src/parser/subscript_and_superscript.rs

@@ -30,6 +30,7 @@ use crate::error::MyError;
 use crate::error::Res;
 use crate::parser::util::get_consumed;
 use crate::types::Object;
+use crate::types::PlainText;
 use crate::types::Subscript;
 use crate::types::Superscript;
 
@@ -57,14 +58,22 @@ pub(crate) fn subscript<'b, 'g, 'r, 's>(
     // We check for the underscore first before checking the pre-character as a minor optimization to avoid walking up the context tree to find the document root unnecessarily.
     let (remaining, _) = tag("_")(input)?;
     pre(input)?;
-    let (remaining, _body) = script_body(context, remaining)?;
+    let (remaining, body) = script_body(context, remaining)?;
     let (remaining, _trailing_whitespace) =
         maybe_consume_object_trailing_whitespace_if_not_exiting(context, remaining)?;
     let source = get_consumed(input, remaining);
+
+    let (use_brackets, body) = match body {
+        ScriptBody::Braceless(text) => (false, vec![Object::PlainText(PlainText { source: text })]),
+        ScriptBody::WithBraces(body) => (true, body),
+    };
+
     Ok((
         remaining,
         Subscript {
             source: source.into(),
+            use_brackets,
+            children: body,
         },
     ))
 }
@@ -80,14 +89,22 @@ pub(crate) fn superscript<'b, 'g, 'r, 's>(
     // We check for the circumflex first before checking the pre-character as a minor optimization to avoid walking up the context tree to find the document root unnecessarily.
     let (remaining, _) = tag("^")(input)?;
     pre(input)?;
-    let (remaining, _body) = script_body(context, remaining)?;
+    let (remaining, body) = script_body(context, remaining)?;
     let (remaining, _trailing_whitespace) =
         maybe_consume_object_trailing_whitespace_if_not_exiting(context, remaining)?;
     let source = get_consumed(input, remaining);
+
+    let (use_brackets, body) = match body {
+        ScriptBody::Braceless(text) => (false, vec![Object::PlainText(PlainText { source: text })]),
+        ScriptBody::WithBraces(body) => (true, body),
+    };
+
     Ok((
         remaining,
         Superscript {
             source: source.into(),
+            use_brackets,
+            children: body,
         },
     ))
 }