master
for some time now mandoc has not required MLINKS to function correctly - logically complete that now by removing MLINKS from base;
remove mention to nqs, the Network Queuing System developed at NASA Ames; there is no source code repository for it and we do not have it in ports either.
when processing readdir(), this incorrectly did fstatat() against "..". observed during experimental work with O_BELOW ok millert, who may want to refactor this further.
There's no need for at.c globals to be extern.
The .Nd macro is intended to provide "a one line description", so avoid multiple lines of input, in particular, don't use macros below .Nd; such bad style can confuse various apropos(1) tools. All deleted macros reappear later in the text, anyway, except for .Tn, which i'm deleting outright. Found while scanning the tree for good and bad practices in preparation for my EuroBSD2015 mdoc(7) tutorial on Oct 1 in Stockholm.
When specifying the time in the form HHMM or HH:MM, if that time is already past, the next day is assumed. Handle the case where we're still in the same hour but the minutes are past.