// Handle content parameter
FormalParameter contentParam = callee.getContentConsumingParameter();
Expression content = prepareExpressionAsParameterValue(contentParam,
apply(call.getContent()));
boolean contentIgnorable = content.alwaysOnlyWhitespace();
if (contentParam == null) {
if (!contentIgnorable) {
alertSink.add(new BadNodePlacementError(content, call));
}
} else {