# make maintainer-clean
# Delete everything from the current directory that can be
# reconstructed with this Makefile. This typically includes
-# everything deleted by distclean, plus more: C source files
-# produced by Bison, tags tables, info files, and so on.
+# everything deleted by distclean, plus more: .elc files,
+# C source files produced by Bison, tags tables, info files,
+# and so on.
#
# make extraclean
# Still more severe - delete backup and autosave files, too.