nothing in the current row yet. This allows using #t or ipairs to get
the number of rows that have been filled by the user. t.rows is the
index number of the next row that will be filled in, or the one that is
currently being filled in if something has already been entered.
t.rows == #t + 1 means that we've finished with the previous row, but we
don't want to count a new (blank) row until we've started filling
something in.
Often two (or more) scripts using the same library would
overwrite the globals each was using. This would result
in (at best) an error or (at worst) a deadlock.
The patch changes the global accesses to local.
license" to "Same as Nmap--See http://nmap.org/book/man-legal.html" like
scripts commonly use. I added the field to some modules I know to be under the
Nmap license: bin, datafiles, dns, nmap, unpwdb. I left alone bin, bit, pcre,
and url, which come from outside sources.
