gpgv: New option --print-notation.
* g10/keylist.c (print_matching_notations): New. * g10/mainproc.c (check_sig_and_print): Call this. * g10/options.h (opt): Add field print_notations. * g10/gpgv.c (oPrintNotation): New. (opts): Add "print-notation". (main): Implement.
I had the code floating around but can't remember what triggered me to
write this. But it might eventually be useful, so better apply it.