vcard: parse a stream of vcards.

Usage: vcard <options>

Options:
	-d		debug

   People:
	-p, -people	output mode is for people(1)

   Netscape Personal address book junk:

	-pab <file>	input to netscape personal addressbook.
			<file> is /home/runge/.netscape/pab.na2 by default.
			This file is only read to avoid dups.
	-s <n>		Sleep n secs between pab-s. 0 for html.
	-pab_id <id>	X window id 
	-pab_html     	Output HTML of addbook:add HREFs

	-pab_import	netscape pab import file type. (N/A)
Notes:

    for people -> vcard use: people -v -vcard | ...

	rm -f ~/.netscape/pab.na2
	xwininfo   # click and get <xid>
	people -v -vcard | vcard -pab_id <xid>

    since netscape only uses the first email address, a hack
    would be:

	people -v -vcard | grep -v 'EMAIL;INTERNET;' | vcard -pab_id <xid>