All the posts and topics that contain only an error report will be moved here after the error is corrected. This is to ensure that when users view a question in ETS Viewer, the "Discuss" button will not indicate the presence of a discussion that adds no value to the question.
Explanation for third option is paramValues map does not contain any keys with the name of 1, 2 or 3. Its keys are the parameter names available in the request. Here, 'val' would be a key in paramValues.
. I believe it should be: paramValues map does not contain any keys with the name of 0, 1 or 2. Its keys are the parameter names available in the request. Here, 'val' would be a key in paramValues.