[_response appendContentHTMLAttributeValue:
OWFormElementName(self, _ctx)];
WOResponse_AddCString(_response, "\" value=\"");
- [_response appendContentHTMLAttributeValue:([v length] > 0) ? v : @"1"];
+ [_response appendContentHTMLAttributeValue:
+ ([v isNotEmpty] ? v : (NSString *)@"1")];
WOResponse_AddCString(_response, "\"");
if ([self->disabled boolValueInComponent:[_ctx component]]) {