Github user cestella commented on a diff in the pull request:
https://github.com/apache/metron/pull/836#discussion_r149704557
--- Diff: metron-stellar/stellar-common/README.md ---
@@ -748,7 +728,7 @@ In the core language functions, we support basic
functional programming primitiv
### `MULTISET_INIT`
* Description: Creates an empty multiset, which is a map associating
objects to their instance counts.
* Input:
- * input? - An initialization of the multiset
+ * input?? - An initialization of the multiset
--- End diff --
? implies it may be included or not, like regex
---
