Avoid using parenthesis enclosure macros (.Pq and .Po/.Pc) with plain text.
Not only this slows down the mdoc(7) processing significantly, but it also
has an undesired (in this case) effect of disabling hyphenation within the
entire enclosed block.
char *
FooFileChunk(const char *filename, char *buf, off_t offset, off_t length)
Which only hashes part of a file.
Implement FooFile() in terms of this function.
Submitted by: roam
and SHA-1 when OBJFORMAT is not ELF. Add a warning to the man page
about how SHA-1 uses bswapl, which will trap on 80386es (and the kernel
should, but doesn't currently, emulate).