I just tried to paste this URL in a comment:
but it comes out like this (note the trailing
"...)" is no longer included):
) are part of the URL, they should be parsed as such.
This happens in questions and answers too, but in Q&A backslash escapes can be used as a workaround. In comments they cannot.
Loosely related: URLs in comments bugs
However in this case I do want the URL to be linkified. The URL is valid but is incorrectly being truncated.