Add dartdoc warnings (#138766)
Follow-up to https://github.com/flutter/flutter/pull/138760.
diff --git a/dartdoc_options.yaml b/dartdoc_options.yaml
index d628180..8f73101 100644
--- a/dartdoc_options.yaml
+++ b/dartdoc_options.yaml
@@ -26,6 +26,7 @@
- category-order-gives-missing-package-name
- deprecated
- ignored-canonical-for
+ - missing-example-file
- missing-from-search-index
- no-canonical-found
- no-documentable-libraries
@@ -33,6 +34,7 @@
- orphaned-file
- reexported-private-api-across-packages
- unknown-file
+ - unknown-html-fragment
- unknown-macro
- unresolved-doc-reference
## Ignores that are elevated to errors:
