datafiles = $(addprefix $(outdir)/,$(DATA_FILES:.data=.html))
DOC_FILES = $(wildcard *.doc)
DVI_FILES = $(addprefix $(outdir)/,$(DOC_FILES:.doc=.dvi) $(YO_FILES:.yo=.dvi))
datafiles = $(addprefix $(outdir)/,$(DATA_FILES:.data=.html))
DOC_FILES = $(wildcard *.doc)
DVI_FILES = $(addprefix $(outdir)/,$(DOC_FILES:.doc=.dvi) $(YO_FILES:.yo=.dvi))