emerge mailx-support
$ man 1 lockspool
fgets: No such file or directory
Error reading man page /usr/share/man/man1/lockspool.1.gz
No entry for lockspool in section 1 of the manual
$ ls -l /usr/share/man/man1/lockspool.1.gz
-r--r--r-- 1 root root 32 Feb 28 13:32 /usr/share/man/man1/lockspool.1.gz
$ zcat /usr/share/man/man1/lockspool.1.gz
$
seems like the man page is 0 bytes.
these versions installed:
[I--] [ ] mail-client/mailx-8.1.2.20040524-r1 (0)
[I--] [ ] mail-client/mailx-support-20030215 (0)