Number-patterns in New Recent Changes, that indicate different kinds of activity:
"..., x, -x, ..." indicates a reversion to the Edit Copy (e.g. if x spam was added).
"..., x, -x, 0, ..." indicates a reversion to the Edit Copy followed by a touch to remove the material from the quickDiff.
a list consisting only of "1" sometimes indicates a completed deletion. (???)
several pages with the same (large) positive delta => spam.
"..., -x, x, ..." indicates a reversion to the Edit Copy (e.g. if the page was deleted).
Wiki Gnome at work:
several pages with deltas that are multiples of 6 may indicate someone adding Six Single Quotes to convert Wiki Words to singular form (in these cases Quick Diff seems to show nothing).
several pages with the same small deltas (15
a (reverse) alphabetical sequence of pages edited in quick succession having small or zero diffs: a gnome searched for a misspelling or Broken Link and methodically corrected it on all the found pages.
sequences of +x, -x, +x, -x
repeated occurrences of del and new
See also Funny Wiki Processes
See original on c2.com 