update copyright notice / whitespace
[v9_11] dig: retain domain when retrying with tcp 4712. [bug] "dig +domain" and "dig +search" didn't retain the search domain when retrying with TCP. [RT #45547] (cherry picked from commit 8e014c45ae75a3ca893cec6a0711beb69ecd18a4)
4401. [misc] Change LICENSE to MPL 2.0.
4027. [port] Net::DNS 0.81 compatibility. [RT #38165
update copyright notice
3880. [test] Update ans.pl to work with new TSIG support in Net::DNS; add additional Net::DNS version prerequisite checks. [RT #36327]
sign_tcp_continuation doesn't work with the newer versions of Net:DNS. Code has been submitted so we don't need to use the sign_tcp_continuation hack in future.
TSIG no longer has a mac_size method; arcount no longer need to be adjusted
3442. [port] Net::DNS 0.69 introduced a non backwards compatible change. [RT #32216]
reverse bad copyright update
3287. [port] Update ans.pl to work with Net::DNS 0.68. [RT #28028]
ignore SIGPIPE in ans.pl; this is needed for debian.
3059. [test] Added a regression test for change #3023.