diff --git a/implementations/rust/preserves/src/value/text/reader.rs b/implementations/rust/preserves/src/value/text/reader.rs
index 11fa0cb..5f02453 100644
--- a/implementations/rust/preserves/src/value/text/reader.rs
+++ b/implementations/rust/preserves/src/value/text/reader.rs
@@ -638,18 +638,18 @@ impl<'de, 'src, N: NestedValue, Dec: DomainParse<N::Embedded>, S: BinarySource<'
                     return Err(syntax_error("Missing expected key/value separator"));
                 }
             }
+            B::Type { closing: Some(B::Item::DictionaryValue), opening: None } |
+            B::Type { closing: None, opening: Some(B::Item::DictionaryKey) } |
+            B::Type { closing: Some(B::Item::SetValue), opening: _ } |
+            B::Type { closing: _, opening: Some(B::Item::SetValue) } |
+            B::Type { closing: Some(B::Item::SequenceValue), opening: _ } |
+            B::Type { closing: _, opening: Some(B::Item::SequenceValue) } |
             B::Type {
                 closing: Some(B::Item::DictionaryValue),
                 opening: Some(B::Item::DictionaryKey),
-            } => self.skip_whitespace_and_maybe_commas(true),
-            B::Type {
-                closing: Some(B::Item::SetValue),
-                opening: Some(B::Item::SetValue),
-            } => self.skip_whitespace_and_maybe_commas(true),
-            B::Type {
-                closing: Some(B::Item::SequenceValue),
-                opening: Some(B::Item::SequenceValue),
-            } => self.skip_whitespace_and_maybe_commas(true),
+            } => {
+                self.skip_whitespace_and_maybe_commas(true);
+            }
             _ => (),
         }
         Ok(())