case LFUN_BUFFER_VIEW_CACHE:
(d->preview_file_).refresh();
- enable = (d->preview_file_).exists();
+ enable = (d->preview_file_).exists() && !(d->preview_file_).isFileEmpty();
break;
default:
return it->second.second;
static InsetLabel const * dummy_il = 0;
- static References const dummy_refs;
+ static References const dummy_refs = References();
it = d->ref_cache_.insert(
make_pair(label, make_pair(dummy_il, dummy_refs))).first;
return it->second.second;