Fix a problem where invalid PVs would not be detected, leading to client crashes.

diff --git a/remoteglot.pl b/remoteglot.pl
index 52eae900e98dc52aa070d4b5eac3fa8c7436b79e..6443c3159d56b916d69b5a84df5e167c997ffac7 100755 (executable)
--- a/remoteglot.pl
+++ b/remoteglot.pl
@@ -526,7 +526,7 @@ sub prettyprint_pv_no_cache {
 sub prettyprint_pv {
        my ($pos, @pvs) = @_;
 
 sub prettyprint_pv {
        my ($pos, @pvs) = @_;
 

-       my $cachekey = join('', @pvs);
+       my $cachekey = $pos->{'fen'} . join('', @pvs);

        if (exists($pos->{'prettyprint_cache'}{$cachekey})) {
                return @{$pos->{'prettyprint_cache'}{$cachekey}};
        } else {
        if (exists($pos->{'prettyprint_cache'}{$cachekey})) {
                return @{$pos->{'prettyprint_cache'}{$cachekey}};
        } else {