* g10.c (main, add_notation_data, add_policy_url)
(add_keyserver_url): Use isascii() to protect the isfoo macros and
to replace direct tests.  Possible problems noted by Christian
Biere.
* keyserver.c (parse_keyserver_uri): Ditto.
* g10.c (main): Declare --pipemode deprecated.
* misc.c (deprecated_command): New.