Userscript name: CheckForExistingCorA Show a warning message when you follow a link to a deleted answer or comment
Primary audience: Users that follow Smokey reported posts
Brief description: It can be confusing when a SPAMspam post / rude comment is already deleted but you can't really tell as there is no clear feedback. This script fixes that lack of feedback.
Notes: See also the original answer https://meta.stackexchange.com/a/251236
List of objects/properties/methods utilized:
StackExchange.initialized
StackExchange.notify
StackExchange.comments