The "/blame" page:

URL: /annotate?checkin=ID&filename=FILENAME
URL: /blame?checkin=ID&filename=FILENAME
URL: /praise?checkin=ID&filename=FILENAME

Show the most recent change to each line of a text file.  /annotate shows
the date of the changes and the check-in hash (with a link to the
check-in).  /blame and /praise also show the user who made the check-in.

Query parameters:

   checkin=ID          The manifest ID at which to start the annotation
   filename=FILENAME   The filename.
   filevers            Show file versions rather than check-in versions
   limit=N             Limit the search depth to N ancestors
   log=BOOLEAN         Show a log of versions analyzed
   w                   Ignore whitespace