Document that GetString16WireRep always has even length
This is ensured by the parser. For context, see
https://chromium-review.googlesource.com/c/chromium/src/+/5506756/1//COMMIT_MSG
Change-Id: I331d2cc8290418dee5dbbb350bb936e417603893
diff --git a/crdtp/cbor.h b/crdtp/cbor.h
index 471aa78..2d925fa 100644
--- a/crdtp/cbor.h
+++ b/crdtp/cbor.h
@@ -255,7 +255,8 @@
span<uint8_t> GetString8() const;
// Wire representation for STRING16 is low byte first (little endian).
- // To be called only if ::TokenTag() == CBORTokenTag::STRING16.
+ // To be called only if ::TokenTag() == CBORTokenTag::STRING16. The result is
+ // guaranteed to have even length.
span<uint8_t> GetString16WireRep() const;
// To be called only if ::TokenTag() == CBORTokenTag::BINARY.
