f1a52c7ed6
uses the .RP macro, a separate cover page is created as page 0 which is not otherwise output. The bug was hiding by a hack in troffrc that disables SGR support in grotty(1), which I'm going to remove now. For POLA reasons, still disable SGR support in grotty(1), by passing -P-c to groff(1). If we want SGR sequences in these documents, this can be removed. MFC after: 1 week