--- a/runtime/doc/tags
+++ b/runtime/doc/tags
@@ -3914,6 +3914,7 @@ E169	message.txt	/*E169*
 E17	message.txt	/*E17*
 E170	eval.txt	/*E170*
 E171	eval.txt	/*E171*
+E172	eval.txt	/*E172*
 E173	message.txt	/*E173*
 E174	map.txt	/*E174*
 E175	map.txt	/*E175*
@@ -3967,6 +3968,7 @@ E218	autocmd.txt	/*E218*
 E219	message.txt	/*E219*
 E22	message.txt	/*E22*
 E220	message.txt	/*E220*
+E221	eval.txt	/*E221*
 E222	message.txt	/*E222*
 E223	options.txt	/*E223*
 E224	map.txt	/*E224*
@@ -4683,12 +4685,12 @@ E909	eval.txt	/*E909*
 E91	options.txt	/*E91*
 E910	eval.txt	/*E910*
 E911	eval.txt	/*E911*
-E912	eval.txt	/*E912*
+E912	channel.txt	/*E912*
 E913	eval.txt	/*E913*
 E914	eval.txt	/*E914*
 E915	channel.txt	/*E915*
-E916	eval.txt	/*E916*
-E917	eval.txt	/*E917*
+E916	channel.txt	/*E916*
+E917	channel.txt	/*E917*
 E918	channel.txt	/*E918*
 E919	repeat.txt	/*E919*
 E92	message.txt	/*E92*
@@ -4739,14 +4741,14 @@ E960	options.txt	/*E960*
 E961	cmdline.txt	/*E961*
 E962	eval.txt	/*E962*
 E963	eval.txt	/*E963*
-E964	eval.txt	/*E964*
-E965	eval.txt	/*E965*
-E966	eval.txt	/*E966*
+E964	textprop.txt	/*E964*
+E965	textprop.txt	/*E965*
+E966	textprop.txt	/*E966*
 E967	textprop.txt	/*E967*
-E968	eval.txt	/*E968*
-E969	eval.txt	/*E969*
+E968	textprop.txt	/*E968*
+E969	textprop.txt	/*E969*
 E97	diff.txt	/*E97*
-E970	eval.txt	/*E970*
+E970	textprop.txt	/*E970*
 E971	textprop.txt	/*E971*
 E972	eval.txt	/*E972*
 E973	eval.txt	/*E973*
@@ -5291,19 +5293,20 @@ asin()	eval.txt	/*asin()*
 asm.vim	syntax.txt	/*asm.vim*
 asm68k	syntax.txt	/*asm68k*
 asmh8300.vim	syntax.txt	/*asmh8300.vim*
+assert-functions	testing.txt	/*assert-functions*
 assert-return	eval.txt	/*assert-return*
-assert_beeps()	eval.txt	/*assert_beeps()*
-assert_equal()	eval.txt	/*assert_equal()*
-assert_equalfile()	eval.txt	/*assert_equalfile()*
-assert_exception()	eval.txt	/*assert_exception()*
-assert_fails()	eval.txt	/*assert_fails()*
-assert_false()	eval.txt	/*assert_false()*
-assert_inrange()	eval.txt	/*assert_inrange()*
-assert_match()	eval.txt	/*assert_match()*
-assert_notequal()	eval.txt	/*assert_notequal()*
-assert_notmatch()	eval.txt	/*assert_notmatch()*
-assert_report()	eval.txt	/*assert_report()*
-assert_true()	eval.txt	/*assert_true()*
+assert_beeps()	testing.txt	/*assert_beeps()*
+assert_equal()	testing.txt	/*assert_equal()*
+assert_equalfile()	testing.txt	/*assert_equalfile()*
+assert_exception()	testing.txt	/*assert_exception()*
+assert_fails()	testing.txt	/*assert_fails()*
+assert_false()	testing.txt	/*assert_false()*
+assert_inrange()	testing.txt	/*assert_inrange()*
+assert_match()	testing.txt	/*assert_match()*
+assert_notequal()	testing.txt	/*assert_notequal()*
+assert_notmatch()	testing.txt	/*assert_notmatch()*
+assert_report()	testing.txt	/*assert_report()*
+assert_true()	testing.txt	/*assert_true()*
 at	motion.txt	/*at*
 atan()	eval.txt	/*atan()*
 atan2()	eval.txt	/*atan2()*
@@ -5574,24 +5577,24 @@ cc	change.txt	/*cc*
 ceil()	eval.txt	/*ceil()*
 cfilter-plugin	quickfix.txt	/*cfilter-plugin*
 ch.vim	syntax.txt	/*ch.vim*
-ch_canread()	eval.txt	/*ch_canread()*
-ch_close()	eval.txt	/*ch_close()*
-ch_close_in()	eval.txt	/*ch_close_in()*
-ch_evalexpr()	eval.txt	/*ch_evalexpr()*
-ch_evalraw()	eval.txt	/*ch_evalraw()*
-ch_getbufnr()	eval.txt	/*ch_getbufnr()*
-ch_getjob()	eval.txt	/*ch_getjob()*
-ch_info()	eval.txt	/*ch_info()*
-ch_log()	eval.txt	/*ch_log()*
-ch_logfile()	eval.txt	/*ch_logfile()*
-ch_open()	eval.txt	/*ch_open()*
-ch_read()	eval.txt	/*ch_read()*
-ch_readblob()	eval.txt	/*ch_readblob()*
-ch_readraw()	eval.txt	/*ch_readraw()*
-ch_sendexpr()	eval.txt	/*ch_sendexpr()*
-ch_sendraw()	eval.txt	/*ch_sendraw()*
-ch_setoptions()	eval.txt	/*ch_setoptions()*
-ch_status()	eval.txt	/*ch_status()*
+ch_canread()	channel.txt	/*ch_canread()*
+ch_close()	channel.txt	/*ch_close()*
+ch_close_in()	channel.txt	/*ch_close_in()*
+ch_evalexpr()	channel.txt	/*ch_evalexpr()*
+ch_evalraw()	channel.txt	/*ch_evalraw()*
+ch_getbufnr()	channel.txt	/*ch_getbufnr()*
+ch_getjob()	channel.txt	/*ch_getjob()*
+ch_info()	channel.txt	/*ch_info()*
+ch_log()	channel.txt	/*ch_log()*
+ch_logfile()	channel.txt	/*ch_logfile()*
+ch_open()	channel.txt	/*ch_open()*
+ch_read()	channel.txt	/*ch_read()*
+ch_readblob()	channel.txt	/*ch_readblob()*
+ch_readraw()	channel.txt	/*ch_readraw()*
+ch_sendexpr()	channel.txt	/*ch_sendexpr()*
+ch_sendraw()	channel.txt	/*ch_sendraw()*
+ch_setoptions()	channel.txt	/*ch_setoptions()*
+ch_status()	channel.txt	/*ch_status()*
 change-list-jumps	motion.txt	/*change-list-jumps*
 change-name	tips.txt	/*change-name*
 change-tabs	change.txt	/*change-tabs*
@@ -5626,6 +5629,7 @@ channel-commands	channel.txt	/*channel-c
 channel-demo	channel.txt	/*channel-demo*
 channel-drop	channel.txt	/*channel-drop*
 channel-functions	usr_41.txt	/*channel-functions*
+channel-functions-details	channel.txt	/*channel-functions-details*
 channel-mode	channel.txt	/*channel-mode*
 channel-more	channel.txt	/*channel-more*
 channel-noblock	channel.txt	/*channel-noblock*
@@ -7363,6 +7367,7 @@ job-err_cb	channel.txt	/*job-err_cb*
 job-err_io	channel.txt	/*job-err_io*
 job-exit_cb	channel.txt	/*job-exit_cb*
 job-functions	usr_41.txt	/*job-functions*
+job-functions-details	channel.txt	/*job-functions-details*
 job-in_io	channel.txt	/*job-in_io*
 job-noblock	channel.txt	/*job-noblock*
 job-options	channel.txt	/*job-options*
@@ -7374,12 +7379,12 @@ job-start-nochannel	channel.txt	/*job-st
 job-stoponexit	channel.txt	/*job-stoponexit*
 job-term	channel.txt	/*job-term*
 job-timeout	channel.txt	/*job-timeout*
-job_getchannel()	eval.txt	/*job_getchannel()*
-job_info()	eval.txt	/*job_info()*
-job_setoptions()	eval.txt	/*job_setoptions()*
-job_start()	eval.txt	/*job_start()*
-job_status()	eval.txt	/*job_status()*
-job_stop()	eval.txt	/*job_stop()*
+job_getchannel()	channel.txt	/*job_getchannel()*
+job_info()	channel.txt	/*job_info()*
+job_setoptions()	channel.txt	/*job_setoptions()*
+job_start()	channel.txt	/*job_start()*
+job_status()	channel.txt	/*job_status()*
+job_stop()	channel.txt	/*job_stop()*
 join()	eval.txt	/*join()*
 js_decode()	eval.txt	/*js_decode()*
 js_encode()	eval.txt	/*js_encode()*
@@ -8036,7 +8041,7 @@ new-search-path	version6.txt	/*new-searc
 new-searchpat	version6.txt	/*new-searchpat*
 new-session-files	version5.txt	/*new-session-files*
 new-spell	version7.txt	/*new-spell*
-new-style-testing	eval.txt	/*new-style-testing*
+new-style-testing	testing.txt	/*new-style-testing*
 new-tab-pages	version7.txt	/*new-tab-pages*
 new-terminal-window	version8.txt	/*new-terminal-window*
 new-undo-branches	version7.txt	/*new-undo-branches*
@@ -8084,7 +8089,7 @@ ocaml.vim	syntax.txt	/*ocaml.vim*
 octal	eval.txt	/*octal*
 octal-nrformats	options.txt	/*octal-nrformats*
 octal-number	eval.txt	/*octal-number*
-old-style-testing	eval.txt	/*old-style-testing*
+old-style-testing	testing.txt	/*old-style-testing*
 oldfiles-variable	eval.txt	/*oldfiles-variable*
 ole-activation	if_ole.txt	/*ole-activation*
 ole-eval	if_ole.txt	/*ole-eval*
@@ -8321,16 +8326,16 @@ prompt_setinterrupt()	eval.txt	/*prompt_
 prompt_setprompt()	eval.txt	/*prompt_setprompt()*
 promptbuffer-functions	usr_41.txt	/*promptbuffer-functions*
 pronounce	intro.txt	/*pronounce*
-prop_add()	eval.txt	/*prop_add()*
-prop_clear()	eval.txt	/*prop_clear()*
-prop_find()	eval.txt	/*prop_find()*
-prop_list()	eval.txt	/*prop_list()*
-prop_remove()	eval.txt	/*prop_remove()*
-prop_type_add()	eval.txt	/*prop_type_add()*
-prop_type_change()	eval.txt	/*prop_type_change()*
-prop_type_delete()	eval.txt	/*prop_type_delete()*
-prop_type_get()	eval.txt	/*prop_type_get()*
-prop_type_list()	eval.txt	/*prop_type_list()*
+prop_add()	textprop.txt	/*prop_add()*
+prop_clear()	textprop.txt	/*prop_clear()*
+prop_find()	textprop.txt	/*prop_find()*
+prop_list()	textprop.txt	/*prop_list()*
+prop_remove()	textprop.txt	/*prop_remove()*
+prop_type_add()	textprop.txt	/*prop_type_add()*
+prop_type_change()	textprop.txt	/*prop_type_change()*
+prop_type_delete()	textprop.txt	/*prop_type_delete()*
+prop_type_get()	textprop.txt	/*prop_type_get()*
+prop_type_list()	textprop.txt	/*prop_type_list()*
 psql	ft_sql.txt	/*psql*
 ptcap.vim	syntax.txt	/*ptcap.vim*
 pterm-mouse	options.txt	/*pterm-mouse*
@@ -8692,21 +8697,22 @@ showing-menus	gui.txt	/*showing-menus*
 sign-column	sign.txt	/*sign-column*
 sign-commands	sign.txt	/*sign-commands*
 sign-functions	usr_41.txt	/*sign-functions*
+sign-functions-details	sign.txt	/*sign-functions-details*
 sign-group	sign.txt	/*sign-group*
 sign-identifier	sign.txt	/*sign-identifier*
 sign-intro	sign.txt	/*sign-intro*
 sign-priority	sign.txt	/*sign-priority*
 sign-support	sign.txt	/*sign-support*
 sign.txt	sign.txt	/*sign.txt*
-sign_define()	eval.txt	/*sign_define()*
-sign_getdefined()	eval.txt	/*sign_getdefined()*
-sign_getplaced()	eval.txt	/*sign_getplaced()*
-sign_jump()	eval.txt	/*sign_jump()*
-sign_place()	eval.txt	/*sign_place()*
-sign_placelist()	eval.txt	/*sign_placelist()*
-sign_undefine()	eval.txt	/*sign_undefine()*
-sign_unplace()	eval.txt	/*sign_unplace()*
-sign_unplacelist()	eval.txt	/*sign_unplacelist()*
+sign_define()	sign.txt	/*sign_define()*
+sign_getdefined()	sign.txt	/*sign_getdefined()*
+sign_getplaced()	sign.txt	/*sign_getplaced()*
+sign_jump()	sign.txt	/*sign_jump()*
+sign_place()	sign.txt	/*sign_place()*
+sign_placelist()	sign.txt	/*sign_placelist()*
+sign_undefine()	sign.txt	/*sign_undefine()*
+sign_unplace()	sign.txt	/*sign_unplace()*
+sign_unplacelist()	sign.txt	/*sign_unplacelist()*
 signs	sign.txt	/*signs*
 simple-change	change.txt	/*simple-change*
 simplify()	eval.txt	/*simplify()*
@@ -9357,29 +9363,32 @@ terminal-window	terminal.txt	/*terminal-
 terminal.txt	terminal.txt	/*terminal.txt*
 terminfo	term.txt	/*terminfo*
 termresponse-variable	eval.txt	/*termresponse-variable*
+test-functions	testing.txt	/*test-functions*
 test-functions	usr_41.txt	/*test-functions*
-test_alloc_fail()	eval.txt	/*test_alloc_fail()*
-test_autochdir()	eval.txt	/*test_autochdir()*
-test_feedinput()	eval.txt	/*test_feedinput()*
-test_garbagecollect_now()	eval.txt	/*test_garbagecollect_now()*
-test_garbagecollect_soon()	eval.txt	/*test_garbagecollect_soon()*
-test_getvalue()	eval.txt	/*test_getvalue()*
-test_ignore_error()	eval.txt	/*test_ignore_error()*
-test_null_blob()	eval.txt	/*test_null_blob()*
-test_null_channel()	eval.txt	/*test_null_channel()*
-test_null_dict()	eval.txt	/*test_null_dict()*
-test_null_job()	eval.txt	/*test_null_job()*
-test_null_list()	eval.txt	/*test_null_list()*
-test_null_partial()	eval.txt	/*test_null_partial()*
-test_null_string()	eval.txt	/*test_null_string()*
-test_option_not_set()	eval.txt	/*test_option_not_set()*
-test_override()	eval.txt	/*test_override()*
-test_refcount()	eval.txt	/*test_refcount()*
-test_scrollbar()	eval.txt	/*test_scrollbar()*
-test_setmouse()	eval.txt	/*test_setmouse()*
-test_settime()	eval.txt	/*test_settime()*
-testing	eval.txt	/*testing*
+test_alloc_fail()	testing.txt	/*test_alloc_fail()*
+test_autochdir()	testing.txt	/*test_autochdir()*
+test_feedinput()	testing.txt	/*test_feedinput()*
+test_garbagecollect_now()	testing.txt	/*test_garbagecollect_now()*
+test_garbagecollect_soon()	testing.txt	/*test_garbagecollect_soon()*
+test_getvalue()	testing.txt	/*test_getvalue()*
+test_ignore_error()	testing.txt	/*test_ignore_error()*
+test_null_blob()	testing.txt	/*test_null_blob()*
+test_null_channel()	testing.txt	/*test_null_channel()*
+test_null_dict()	testing.txt	/*test_null_dict()*
+test_null_job()	testing.txt	/*test_null_job()*
+test_null_list()	testing.txt	/*test_null_list()*
+test_null_partial()	testing.txt	/*test_null_partial()*
+test_null_string()	testing.txt	/*test_null_string()*
+test_option_not_set()	testing.txt	/*test_option_not_set()*
+test_override()	testing.txt	/*test_override()*
+test_refcount()	testing.txt	/*test_refcount()*
+test_scrollbar()	testing.txt	/*test_scrollbar()*
+test_setmouse()	testing.txt	/*test_setmouse()*
+test_settime()	testing.txt	/*test_settime()*
+testing	testing.txt	/*testing*
+testing-support	testing.txt	/*testing-support*
 testing-variable	eval.txt	/*testing-variable*
+testing.txt	testing.txt	/*testing.txt*
 tex-cchar	syntax.txt	/*tex-cchar*
 tex-cole	syntax.txt	/*tex-cole*
 tex-conceal	syntax.txt	/*tex-conceal*