It's just a user new to this site, so give them some slack as they don't know what we all take for granted.
Definition of "New":
- Hasn't asked many questions / given many answers here here but might be another Jon Skeet somewhere else if their score hovers around 100.
- Is totally new to the entire Stack Exchange network if score is in the single digits (Haven't seen any others for the moment) and:
- doesn't know a comment from an answer,
- thinks this is a discussion forum,
- has no clue what code formatting is
- asks Kali h@çk3rz questions (or at least thinks they do),
- so be even more patient (or just avoid them if you're having a bad hair day).