Works around a problem with org-export-as-ascii not being apparently
autoloaded on at least some systems.
ifneq (,$(strip $(HAVE_ORG_EMACS)))
%.txt: %.org
- $(EMACS) --batch -Q -l ./README-css.el -l org --visit $^ \
+ $(EMACS) --batch -Q -l ./README-css.el -l org -l org-ascii --visit $^ \
--funcall org-export-as-ascii >/dev/null 2>&1
test "$@" != "README.txt" || \
perl -pli -e 's,./Process.org,Process.txt,g' $@