$ f-parseparty --types c --crosslink
$ fossil blame Makefile.in
no history for file: Makefile.in
```

(Use `fossil rebuild` to get it back into shape.)

A cursory glance at the data indicates that the plink table is not being fully populated by the crosslink.
The plink table is not being fully populated by the crosslink. A workaround was added in [](a9332967a75a2a1b), but why that workaround is necessary is unclear.