* src/key.c (_gpgme_key_append_name): Support email-only user IDs with
upper case letters.
* tests/gpg/t-keylist.c (struct key_info_s): Add algo, length, sec_algo,
sec_length.
(keys): Add expected algo and length for primary and secondary subkeys.
(main): Factor out code for checking a key and the code for the keylist
test. Call the factored out test function and a new test function.
(check_key, test_keylist, key_with_email_only_user_id,
key_info_email_only_user_id,
test_email_only_user_id_with_upper_case_letters): New.