-# This is a duplicate of RCS_FIND_IGNORE without escaped '()'
-ignore="( -name SCCS -o -name BitKeeper -o -name .svn -o \
- -name CVS -o -name .pc -o -name .hg -o \
- -name .git ) \
- -prune -o"
+# RCS_FIND_IGNORE has escaped ()s -- remove them.
+ignore="$(echo "$RCS_FIND_IGNORE" | sed 's|\\||g' )"
+# tags and cscope files should also ignore MODVERSION *.mod.c files
+ignore="$ignore ( -name *.mod.c ) -prune -o"