#18

changelog.md

@@ -8,6 +8,16 @@ existing Git tag; subsequent changes are listed as unreleased.
 
 ### 2026-10-14
 
+#### Fixed
+
+- Issue #18: frame/signal comments share frame-definition CAN ID validation and
+  resolve after definitions are read. Support tabs, escaped quotes/backslashes,
+  and multiline text while preserving whitespace and starting source locations.
+- Report malformed comments and missing references as `InvalidStatement` errors;
+  keep statement-order overwrites, including empty comments. Added regression
+  coverage and updated parser/test documentation. Verified with `qmake6`,
+  `make -j4`, and `make check`: all six regression suites passed.
+
 #### Changed
 
 - Validate duplicate frame keys before building the runtime lookup index, alongside