runtime/doc/Makefile: Use wildcard

runtime/doc/Makefile

@@ -9,242 +9,8 @@ AWK = awk
 # Set to $(VIMTARGET) when executed from src/Makefile.
 VIMEXE = vim
 
-DOCS = \
-	arabic.txt \
-	autocmd.txt \
-	change.txt \
-	cmdline.txt \
-	debug.txt \
-	debugger.txt \
-	develop.txt \
-	diff.txt \
-	digraph.txt \
-	editing.txt \
-	eval.txt \
-	farsi.txt \
-	filetype.txt \
-	fold.txt \
-	ft_ada.txt \
-	ft_sql.txt \
-	gui.txt \
-	gui_w32.txt \
-	gui_x11.txt \
-	hebrew.txt \
-	help.txt \
-	helphelp.txt \
-	howto.txt \
-	if_cscop.txt \
-	if_pyth.txt \
-	indent.txt \
-	index.txt \
-	insert.txt \
-	intro.txt \
-	job_control.txt \
-	map.txt \
-	mbyte.txt \
-	message.txt \
-	mlang.txt \
-	motion.txt \
-	msgpack_rpc.txt \
-	nvim_clipboard.txt \
-	nvim_intro.txt \
-	nvim_provider.txt \
-	nvim_python.txt \
-	nvim_terminal_emulator.txt \
-	options.txt \
-	os_dos.txt \
-	os_mac.txt \
-	os_unix.txt \
-	os_win32.txt \
-	pattern.txt \
-	pi_getscript.txt \
-	pi_gzip.txt \
-	pi_netrw.txt \
-	pi_paren.txt \
-	pi_spec.txt \
-	pi_tar.txt \
-	pi_vimball.txt \
-	pi_zip.txt \
-	print.txt \
-	quickfix.txt \
-	quickref.txt \
-	quotes.txt \
-	recover.txt \
-	remote.txt \
-	remote_plugin.txt \
-	repeat.txt \
-	rileft.txt \
-	russian.txt \
-	scroll.txt \
-	sign.txt \
-	spell.txt \
-	sponsor.txt \
-	starting.txt \
-	syntax.txt \
-	tabpage.txt \
-	tagsrch.txt \
-	term.txt \
-	tips.txt \
-	todo.txt \
-	uganda.txt \
-	undo.txt \
-	usr_01.txt \
-	usr_02.txt \
-	usr_03.txt \
-	usr_04.txt \
-	usr_05.txt \
-	usr_06.txt \
-	usr_07.txt \
-	usr_08.txt \
-	usr_09.txt \
-	usr_10.txt \
-	usr_11.txt \
-	usr_12.txt \
-	usr_20.txt \
-	usr_21.txt \
-	usr_22.txt \
-	usr_23.txt \
-	usr_24.txt \
-	usr_25.txt \
-	usr_26.txt \
-	usr_27.txt \
-	usr_28.txt \
-	usr_29.txt \
-	usr_30.txt \
-	usr_31.txt \
-	usr_32.txt \
-	usr_40.txt \
-	usr_41.txt \
-	usr_42.txt \
-	usr_43.txt \
-	usr_44.txt \
-	usr_45.txt \
-	usr_90.txt \
-	usr_toc.txt \
-	various.txt \
-	vi_diff.txt \
-	vim_diff.txt \
-	visual.txt \
-	windows.txt
-
-HTMLS = \
-	arabic.html \
-	autocmd.html \
-	change.html \
-	cmdline.html \
-	debug.html \
-	debugger.html \
-	develop.html \
-	diff.html \
-	digraph.html \
-	editing.html \
-	eval.html \
-	farsi.html \
-	filetype.html \
-	fold.html \
-	ft_ada.html \
-	ft_sql.html \
-	gui.html \
-	gui_w32.html \
-	gui_x11.html \
-	hebrew.html \
-	helphelp.html \
-	howto.html \
-	if_cscop.html \
-	if_pyth.html \
-	indent.html \
-	index.html \
-	insert.html \
-	intro.html \
-	job_control.html \
-	map.html \
-	mbyte.html \
-	message.html \
-	mlang.html \
-	motion.html \
-	msgpack_rpc.html \
-	nvim_clipboard.html \
-	nvim_intro.html \
-	nvim_provider.html \
-	nvim_python.html \
-	nvim_terminal_emulator.html \
-	options.html \
-	os_dos.html \
-	os_mac.html \
-	os_unix.html \
-	os_win32.html \
-	pattern.html \
-	pi_getscript.html \
-	pi_gzip.html \
-	pi_netrw.html \
-	pi_paren.html \
-	pi_spec.html \
-	pi_tar.html \
-	pi_vimball.html \
-	pi_zip.html \
-	print.html \
-	quickfix.html \
-	quickref.html \
-	quotes.html \
-	recover.html \
-	remote.html \
-	remote_plugin.html \
-	repeat.html \
-	rileft.html \
-	russian.html \
-	scroll.html \
-	sign.html \
-	spell.html \
-	sponsor.html \
-	starting.html \
-	syntax.html \
-	tabpage.html \
-	tags.html \
-	tagsrch.html \
-	term.html \
-	tips.html \
-	todo.html \
-	uganda.html \
-	undo.html \
-	usr_01.html \
-	usr_02.html \
-	usr_03.html \
-	usr_04.html \
-	usr_05.html \
-	usr_06.html \
-	usr_07.html \
-	usr_08.html \
-	usr_09.html \
-	usr_10.html \
-	usr_11.html \
-	usr_12.html \
-	usr_20.html \
-	usr_21.html \
-	usr_22.html \
-	usr_23.html \
-	usr_24.html \
-	usr_25.html \
-	usr_26.html \
-	usr_27.html \
-	usr_28.html \
-	usr_29.html \
-	usr_30.html \
-	usr_31.html \
-	usr_32.html \
-	usr_40.html \
-	usr_41.html \
-	usr_42.html \
-	usr_43.html \
-	usr_44.html \
-	usr_45.html \
-	usr_90.html \
-	usr_toc.html \
-	various.html \
-	vi_diff.html \
-	vim_diff.html \
-	vimindex.html \
-	visual.html \
-	windows.html
+DOCS = $(wildcard *.txt)
+HTMLS = $(DOCS:.txt=.html)
 
 MANPAGES = \
 	manpages/vim.man \