tutor: Preparation for tutor1/2

Makefile

@@ -23,7 +23,8 @@ import-en-files:
 		"$(VIM_SRC_DIR)"/runtime/doc/vimtutor.1 \
 		"$(VIM_SRC_DIR)"/runtime/doc/xxd.1 \
 		runtime/doc/
-	cp "$(VIM_SRC_DIR)"/runtime/tutor/tutor runtime/tutor/
+	cp "$(VIM_SRC_DIR)"/runtime/tutor/tutor1 runtime/tutor/
+	cp "$(VIM_SRC_DIR)"/runtime/tutor/tutor2 runtime/tutor/
 	cp "$(VIM_SRC_DIR)"/nsis/lang/english.nsi nsis/lang/
 
 # Update Vim source directory.

runtime/tutor/Makefile

@@ -1,20 +1,20 @@
-MASTER_TUTOR = tutor.ja.utf-8
+MASTER_TUTOR1 = tutor1.ja.utf-8
 
 test: update
 
-update: tutor.ja.sjis tutor.ja.euc
+update: tutor1.ja.sjis tutor1.ja.euc
 
-tutor.ja.sjis: $(MASTER_TUTOR)
+tutor1.ja.sjis: $(MASTER_TUTOR1)
 	iconv -f utf-8 -t cp932 < $< > $@
 
-tutor.ja.euc: $(MASTER_TUTOR)
+tutor1.ja.euc: $(MASTER_TUTOR1)
 	iconv -f utf-8 -t euc-jp < $< > $@
 
 force: touch
 	@$(MAKE) update
 
-touch: $(MASTER_TUTOR)
+touch: $(MASTER_TUTOR1)
 	touch $<
 
 clean:
-	rm -f tutor.ja.sjis tutor.ja.euc
+	rm -f tutor1.ja.sjis tutor1.ja.euc