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This template adds a line below a warning to list: the original location (defaults to page-user's talkpage); original posting user; original posting time-and-date; and/or the diff of the original warning.
This may be useful if you want to indicate the author and time-and-date of an unsigned warning; if you archive warnings off your talk page; or if you want to quote a warning anywhere else.
This template takes four expected parameters (not required, but expected either in sequence or by named variable):
location= The page where this warning was originally posted (without double-brackets). If you are using this template in your own userspace, for instance on your own /Warnings subpage, location defaults to your own talkpage. If you are using this template outside your own userspace, or referring to a warning posted on any other page, then specify the pagename (without double-brackets) as location=pagename.
user= The username who posted it (without the "User:" prefix); if unsigned, see your talkpage history.
time= The UTC time-and-date of the original warning, as seen first in its entry on your talkpage history.
oldid= The "oldid=" number of the warning's diff, as seen in the URLs of the entry's "(cur)", "(last)", and time-and-date links.
User information templates provide informational links for a user; they are similar to signatures, but often provide additional information, and may be used by other users. List:
