Running maintenance through one of the wikis, prior to other wikis. It is to touch files in the Page: namespace. When this is happening the page is being added and then removed to the category. In the following snippet from RC you will see that the only files that were "edited" were /137 and /147 yet all the intervening pages have cat changes/
https://da.wikisource.org/w/index.php?title=Speciel:Seneste_%C3%A6ndringer&hidebots=0&limit=30
13:22 Kategori:Ikke korrekturlæst (22 changes | history) . . (0) . . [Wikisource-bot (22×)]
13:22 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/147 removed from category)
13:22 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/147 added to category)
13:22 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/146 removed from category)
13:22 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/146 added to category)
13:21 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/145 removed from category)
13:21 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/145 added to category)
13:21 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/144 removed from category)
13:21 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/144 added to category)
13:21 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/143 removed from category)
13:21 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/143 added to category)
13:15 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/142 removed from category)
13:15 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/142 added to category)
13:15 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/141 removed from category)
13:15 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/141 added to category)
13:15 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/140 removed from category)
13:15 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/140 added to category)
13:15 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/139 removed from category)
13:15 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/139 added to category)
13:15 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/138 removed from category)
13:15 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/138 added to category)
13:15 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/137 removed from category)
13:15 . . (0) . . Wikisource-bot (Talk | contribs | block) (Side:Almindelig_Handelsvidenskab.djvu/137 added to category)
13:22 Side:Almindelig Handelsvidenskab.djvu/147 (diff | hist) . . (-1) . . Wikisource-bot (Talk | contribs | block) (Pywikibot touch edit) [rollback]
13:21 Kategori:Korrekturlæst (6 changes | history) . . (0) . . [Wikisource-bot (6×)]
13:15 Side:Almindelig Handelsvidenskab.djvu/137 (diff | hist) . . (-1) . . Wikisource-bot (Talk | contribs | block) (Pywikibot touch edit) [rollback]