efa: Display possible values for every ambiguous input

$content = $www->content;

# ambiguous input

if ($content =~ /<span class="errorTextBold">Bitte auswählen<\/span>/s) {

	print STDERR "Ambiguous input for ";

	if ($content =~ /<select name="(?<what>(place|type|name)_(origin|destination))"/) {

		print STDERR "$+{what}\n";

	} else {

		print STDERR "unknown\n";

	}

	while ($content =~ /<option value="\d+:\d+"( selected)?>(?<choice>[^<]+)<\/option>/gs) {

foreach (split(/<span class="errorTextBold">Bitte auswählen<\/span>/s, $content)) {

	if (/<select name="(?<what>(place|type|name)_(origin|destination))"/) {

		print STDERR "Ambiguous input for $+{what}\n";

	}

	while (/<option value="\d+(:\d+)*"( selected)?>(?<choice>[^<]+)<\/option>/gs) {

		print STDERR "\t$+{choice}\n";

	}

	exit(1);

}

foreach (split(/<span class="labelTextBold"> \d+\. Fahrt<\/span>/, $content)) {