Index: memoir.el
===================================================================
RCS file: /sources/auctex/auctex/style/memoir.el,v
retrieving revision 1.1
diff -u -u -r1.1 memoir.el
--- memoir.el	14 Jan 2013 19:21:55 -0000	1.1
+++ memoir.el	15 Jan 2013 15:03:47 -0000
@@ -77,6 +77,11 @@
     "tabularx" "titleref" "titling" "tocbibind" "tocloft"
     "verbatim" "verse")
 
-   (LaTeX-largest-level-set "chapter")))
+   (LaTeX-largest-level-set "chapter")
+   ;; counters defined by `memoir.cls'
+   (LaTeX-add-counters "part" "chapter" "section" "subsection" "subsubsection"
+                       "paragraph" "subparagraph" "storedpagenumber" "lastpage"
+                       "lastsheet" "sheetsequence" "secnumdepth" "tocdepth"
+                       "lofdepth" "lotdepth")))
 
 ;;; memoir.el ends here