Index: doc/refrat/Makefile
===================================================================
--- doc/refrat/Makefile	(revision ce6c57cb7cd4a3a2d6d7ffbeb85116295c81b483)
+++ doc/refrat/Makefile	(revision 24e7b47876ef3c234e0f76d220afbbf04427ce02)
@@ -7,5 +7,5 @@
 ## Define the text source files.
 
-SOURCE = ${addsuffix .tex, \
+SOURCES = ${addsuffix .tex, \
 refrat \
 }
@@ -43,5 +43,5 @@
 	dvips $< -o $@
 
-${basename ${DOCUMENT}}.dvi : Makefile ${GRAPHS} ${PROGRAMS} ${PICTURES} ${FIGURES} ${SOURCE} ${basename ${DOCUMENT}}.tex ${basename ${DOCUMENT}}.bib
+${basename ${DOCUMENT}}.dvi : Makefile ${GRAPHS} ${PROGRAMS} ${PICTURES} ${FIGURES} ${SOURCES} ${basename ${DOCUMENT}}.tex ${basename ${DOCUMENT}}.bib
 	# Conditionally create an empty *.ind (index) file for inclusion until makeindex is run.
 	if [ ! -r ${basename $@}.ind ] ; then touch ${basename $@}.ind ; fi