- $(RM) $(foreach DOC,$(DOCS),$(addprefix $(DOC).,aux log fmt toc bbl blg run.xml out pdf snm nav snm vrb))
+ $(RM) $(foreach DOC,$(DOCS),$(addprefix $(DOC).,\
+ acn acr alg aux bbl blg fmt glg glo gls ist log nav out pdf run.xml\
+ snm tdo toc vrb xdy))