query: What am I doing wrong when I post a comment with an at-symbol reference to another user?
positive_passages.docid: 1419
positive_passages.text: How do comment @replies work?
negative_passages.docid: 17113
negative_passages.text: Dupehammer creates and deletes a comment, causing notifications to go out
negative_passages.docid: 47847
negative_passages.text: Recognize URLs in angle brackets in comments
negative_passages.docid: 14544
negative_passages.text: Confirming context menu entries via Enter when entering comments triggers comment to be posted
negative_passages.docid: 86202
negative_passages.text: What makes a good/valid +1 comment?
negative_passages.docid: 53369
negative_passages.text: How to Give Credit for An Answer in the Comments
negative_passages.docid: 58991
negative_passages.text: How do I enable comments for user profiles?
negative_passages.docid: 158881
negative_passages.text: Edited answer converted to a comment produces "no edit history found for this comment" message
negative_passages.docid: 83806
negative_passages.text: Nested Comments in C++
negative_passages.docid: 101431
negative_passages.text: How do you type a single backslash, code-formatted, in a comment?
negative_passages.docid: 123401
negative_passages.text: Tapping a comment from a nonexistent user crashes the app
negative_passages.docid: 69723
negative_passages.text: Occasionally, the Unicode character sequence U+200C U+200B (ZWNJ ZWSP) is inserted into comments
negative_passages.docid: 76476
negative_passages.text: Change all @username references in comments when a user changes their name?
negative_passages.docid: 130885
negative_passages.text: Information of the user in comments
negative_passages.docid: 93356
negative_passages.text: Do Stack Exchange sites allow editing of comments and posts from other users?
negative_passages.docid: 7147
negative_passages.text: Allow for setting comments to "auto-expire", to become "temporary comments"
negative_passages.docid: 87003
negative_passages.text: User and associated Post