I was checking the edit queue and found a suggested edit to remove a link to the answers own blog. It wasn't declared, and looking at the profile it is obvious it belongs to him, however it appears that the answer might contain decent information to the question. Should we accept/edit these links out, or downvote them and flag them for self promotion? This answer in question is here: https://serverfault.com/a/496819/60820
It depends. Overt self promotion is frowned upon and generally treated as spam. Is one link in (what appears to be) an otherwise valuable answer overt self promotion? I don't think so.
The links in the answer aren't provided because the answer is a précis and the linked documents add additional information, they are there because credit goes to...
The question now becomes Should an OP need to give give credit to themselves?
For me the answer to that question is no. They already have credit for the answer because their name is on it and it's linked to their profile.
For me it's a valid edit. The answer appears valuable so shouldn't be downvoted/flagged for self promotional reasons. If the OP reverts the edit or posts more in a similar style then it's probably a good idea to bring it to the attention of the mod team so we can review their activity and take appropriate action.