Test coverage of -s and -l options.

tests/Makefile

@@ -14,7 +14,7 @@ all: regress
 .SUFFIXES: .chk
 
 clean:
-	rm -fr *~ adventure.text *.adv
+	rm -fr *~ adventure.text *.adv scratch.tmp
 
 # Show summary lines for all tests.
 testlist:
@@ -32,7 +32,8 @@ buildregress:
 	    echo "Remaking $${file}.chk"; \
 	    OPTS=`sed -n /#options:/s///p <$${file}.log`; \
 	    advent $$OPTS <$${file}.log >$${file}.chk 2>&1 || exit 1; \
-	done
+	done; \
+	rm -f scratch.tmp
 regress:
 	@for file in $(TESTLOADS); do \
 	    $(ECHO) -n "  $${file} "; grep '##' $${file}.log  || echo ' ## (no description)'; \
@@ -41,6 +42,6 @@ regress:
 	    then diff --text -u $${file}.chk /tmp/regress$$$$ || exit 1; \
 	    else echo "*** Nonzero return status on $${file}!"; exit 1; fi \
 	done; \
-	rm -f /tmp/regress$$$$
+	rm -f scratch.tmp /tmp/regress$$$$
 
 # end