emacs-lisp-intro.dvi: $(INFO_SOURCES)
$(ENVADD) $(TEXI2DVI) $(srcdir)/emacs-lisp-intro.texi
-emacs-lisp-intro.pdf: ${INFO_SOURCES}
+emacs-lisp-intro.pdf: $(INFO_SOURCES)
$(ENVADD) $(TEXI2PDF) $(srcdir)/emacs-lisp-intro.texi
emacs-lisp-intro.html: $(INFO_SOURCES)