master
for some time now mandoc has not required MLINKS to function correctly - logically complete that now by removing MLINKS from base;
Usually, -width Fl (which is 10n) is too wide and hence ugly. Change several instances, most of them to the usual -width Ds.
When system calls indicate an error they return -1, not some arbitrary value < 0. errno is only updated in this case. Change all (most?) callers of syscalls to follow this better, and let's see if this strictness helps us in the future.
remove prototypes with no matching function and externs with no var partly checked by millert@
Delete obsolete /* ARGSUSED */ lint comments.
Remove the advertising clause in the UCB license which Berkeley rescinded 22 July 1999. Proofed by myself and Theo.