Long comments can break layout
49730
Why are comments overlapping the sidebar?
61514
Comments containing long words causes comments to run off the edge of the screen
48784
Comment font sizes are inconsistent on Android
36073
@ symbol not allowed more than once on comments
18647
Commenting out large sections
15157
Add comment length counter on the mobile site
154556
Comment editing grace period
70875
Comment flags are broken
61657
HTML comments within comments?
25896
What is the black box around a post when using the comment keyboard shortcut (c)?
141037
How to fit tiered comments on a small mobile screen?
74965
AngularJS leaves comments in HTML: is it possible to remove them?
20778
Comment submission broken for comments that end with @username
69723
Occasionally, the Unicode character sequence U+200C U+200B (ZWNJ ZWSP) is inserted into comments
18725
Multiline Comment Workarounds?
7147
Allow for setting comments to "auto-expire", to become "temporary comments"
80400
> is closing HTML comments without a -​- delimiter