update elements and fix some bugs

lib/src/prism/tests/languages/vim/builtin_feature.test

Index: lib/src/prism/tests/languages/vim/builtin_feature.test
diff --git a/lib/src/prism/tests/languages/vim/builtin_feature.test b/lib/src/prism/tests/languages/vim/builtin_feature.test
new file mode 100644
index 0000000000000000000000000000000000000000..2518df6312f4f2ebc81cd8d496bee945065c9d12
--- /dev/null
+++ b/lib/src/prism/tests/languages/vim/builtin_feature.test
@@ -0,0 +1,2289 @@
+autocmd
+acd
+ai
+akm
+aleph
+allowrevins
+altkeymap
+ambiwidth
+ambw
+anti
+antialias
+arab
+arabic
+arabicshape
+ari
+arshape
+autochdir
+autoindent
+autoread
+autowrite
+autowriteall
+aw
+awa
+background
+backspace
+backup
+backupcopy
+backupdir
+backupext
+backupskip
+balloondelay
+ballooneval
+balloonexpr
+bdir
+bdlay
+beval
+bex
+bexpr
+bg
+bh
+bin
+binary
+biosk
+bioskey
+bk
+bkc
+bomb
+breakat
+brk
+browsedir
+bs
+bsdir
+bsk
+bt
+bufhidden
+buflisted
+buftype
+casemap
+ccv
+cdpath
+cedit
+cfu
+ch
+charconvert
+ci
+cin
+cindent
+cink
+cinkeys
+cino
+cinoptions
+cinw
+cinwords
+clipboard
+cmdheight
+cmdwinheight
+cmp
+cms
+columns
+com
+comments
+commentstring
+compatible
+complete
+completefunc
+completeopt
+consk
+conskey
+copyindent
+cot
+cpo
+cpoptions
+cpt
+cscopepathcomp
+cscopeprg
+cscopequickfix
+cscopetag
+cscopetagorder
+cscopeverbose
+cspc
+csprg
+csqf
+cst
+csto
+csverb
+cuc
+cul
+cursorcolumn
+cursorline
+cwh
+debug
+deco
+def
+define
+delcombine
+dex
+dg
+dict
+dictionary
+diff
+diffexpr
+diffopt
+digraph
+dip
+dir
+directory
+dy
+ea
+ead
+eadirection
+eb
+ed
+edcompatible
+ef
+efm
+ei
+ek
+enc
+encoding
+endofline
+eol
+ep
+equalalways
+equalprg
+errorbells
+errorfile
+errorformat
+esckeys
+et
+eventignore
+expandtab
+exrc
+fcl
+fcs
+fdc
+fde
+fdi
+fdl
+fdls
+fdm
+fdn
+fdo
+fdt
+fen
+fenc
+fencs
+fex
+ff
+ffs
+fileencoding
+fileencodings
+fileformat
+fileformats
+fillchars
+fk
+fkmap
+flp
+fml
+fmr
+foldcolumn
+foldenable
+foldexpr
+foldignore
+foldlevel
+foldlevelstart
+foldmarker
+foldmethod
+foldminlines
+foldnestmax
+foldtext
+formatexpr
+formatlistpat
+formatoptions
+formatprg
+fp
+fs
+fsync
+ft
+gcr
+gd
+gdefault
+gfm
+gfn
+gfs
+gfw
+ghr
+gp
+grepformat
+grepprg
+gtl
+gtt
+guicursor
+guifont
+guifontset
+guifontwide
+guiheadroom
+guioptions
+guipty
+guitablabel
+guitabtooltip
+helpfile
+helpheight
+helplang
+hf
+hh
+hi
+hidden
+highlight
+hk
+hkmap
+hkmapp
+hkp
+hl
+hlg
+hls
+hlsearch
+ic
+icon
+iconstring
+ignorecase
+im
+imactivatekey
+imak
+imc
+imcmdline
+imd
+imdisable
+imi
+iminsert
+ims
+imsearch
+inc
+include
+includeexpr
+incsearch
+inde
+indentexpr
+indentkeys
+indk
+inex
+inf
+infercase
+insertmode
+isf
+isfname
+isi
+isident
+isk
+iskeyword
+isprint
+joinspaces
+js
+key
+keymap
+keymodel
+keywordprg
+km
+kmp
+kp
+langmap
+langmenu
+laststatus
+lazyredraw
+lbr
+lcs
+linebreak
+lines
+linespace
+lisp
+lispwords
+listchars
+loadplugins
+lpl
+lsp
+lz
+macatsui
+magic
+makeef
+makeprg
+matchpairs
+matchtime
+maxcombine
+maxfuncdepth
+maxmapdepth
+maxmem
+maxmempattern
+maxmemtot
+mco
+mef
+menuitems
+mfd
+mh
+mis
+mkspellmem
+ml
+mls
+mm
+mmd
+mmp
+mmt
+modeline
+modelines
+modifiable
+modified
+more
+mouse
+mousef
+mousefocus
+mousehide
+mousem
+mousemodel
+mouses
+mouseshape
+mouset
+mousetime
+mp
+mps
+msm
+mzq
+mzquantum
+nf
+nrformats
+numberwidth
+nuw
+odev
+oft
+ofu
+omnifunc
+opendevice
+operatorfunc
+opfunc
+osfiletype
+pa
+para
+paragraphs
+paste
+pastetoggle
+patchexpr
+patchmode
+path
+pdev
+penc
+pex
+pexpr
+pfn
+ph
+pheader
+pi
+pm
+pmbcs
+pmbfn
+popt
+preserveindent
+previewheight
+previewwindow
+printdevice
+printencoding
+printexpr
+printfont
+printheader
+printmbcharset
+printmbfont
+printoptions
+prompt
+pt
+pumheight
+pvh
+pvw
+qe
+quoteescape
+readonly
+remap
+report
+restorescreen
+revins
+rightleft
+rightleftcmd
+rl
+rlc
+ro
+rs
+rtp
+ruf
+ruler
+rulerformat
+runtimepath
+sbo
+sc
+scb
+scr
+scroll
+scrollbind
+scrolljump
+scrolloff
+scrollopt
+scs
+sect
+sections
+secure
+sel
+selection
+selectmode
+sessionoptions
+sft
+shcf
+shellcmdflag
+shellpipe
+shellquote
+shellredir
+shellslash
+shelltemp
+shelltype
+shellxquote
+shiftround
+shiftwidth
+shm
+shortmess
+shortname
+showbreak
+showcmd
+showfulltag
+showmatch
+showmode
+showtabline
+shq
+si
+sidescroll
+sidescrolloff
+siso
+sj
+slm
+smartcase
+smartindent
+smarttab
+smc
+smd
+softtabstop
+sol
+spc
+spell
+spellcapcheck
+spellfile
+spelllang
+spellsuggest
+spf
+spl
+splitbelow
+splitright
+sps
+sr
+srr
+ss
+ssl
+ssop
+stal
+startofline
+statusline
+stl
+stmp
+su
+sua
+suffixes
+suffixesadd
+sw
+swapfile
+swapsync
+swb
+swf
+switchbuf
+sws
+sxq
+syn
+synmaxcol
+syntax
+tabline
+tabpagemax
+tabstop
+tagbsearch
+taglength
+tagrelative
+tagstack
+tal
+tb
+tbi
+tbidi
+tbis
+tbs
+tenc
+term
+termbidi
+termencoding
+terse
+textauto
+textmode
+textwidth
+tgst
+thesaurus
+tildeop
+timeout
+timeoutlen
+title
+titlelen
+titleold
+titlestring
+toolbar
+toolbariconsize
+top
+tpm
+tsl
+tsr
+ttimeout
+ttimeoutlen
+ttm
+tty
+ttybuiltin
+ttyfast
+ttym
+ttymouse
+ttyscroll
+ttytype
+tw
+tx
+uc
+ul
+undolevels
+updatecount
+updatetime
+ut
+vb
+vbs
+vdir
+verbosefile
+vfile
+viewdir
+viewoptions
+viminfo
+virtualedit
+visualbell
+vop
+wak
+warn
+wb
+wc
+wcm
+wd
+weirdinvert
+wfh
+wfw
+whichwrap
+wi
+wig
+wildchar
+wildcharm
+wildignore
+wildmenu
+wildmode
+wildoptions
+wim
+winaltkeys
+window
+winfixheight
+winfixwidth
+winheight
+winminheight
+winminwidth
+winwidth
+wiv
+wiw
+wm
+wmh
+wmnu
+wmw
+wop
+wrap
+wrapmargin
+wrapscan
+writeany
+writebackup
+writedelay
+ww
+noacd
+noai
+noakm
+noallowrevins
+noaltkeymap
+noanti
+noantialias
+noar
+noarab
+noarabic
+noarabicshape
+noari
+noarshape
+noautochdir
+noautoindent
+noautoread
+noautowrite
+noautowriteall
+noaw
+noawa
+nobackup
+noballooneval
+nobeval
+nobin
+nobinary
+nobiosk
+nobioskey
+nobk
+nobl
+nobomb
+nobuflisted
+nocf
+noci
+nocin
+nocindent
+nocompatible
+noconfirm
+noconsk
+noconskey
+nocopyindent
+nocp
+nocscopetag
+nocscopeverbose
+nocst
+nocsverb
+nocuc
+nocul
+nocursorcolumn
+nocursorline
+nodeco
+nodelcombine
+nodg
+nodiff
+nodigraph
+nodisable
+noea
+noeb
+noed
+noedcompatible
+noek
+noendofline
+noeol
+noequalalways
+noerrorbells
+noesckeys
+noet
+noex
+noexpandtab
+noexrc
+nofen
+nofk
+nofkmap
+nofoldenable
+nogd
+nogdefault
+noguipty
+nohid
+nohidden
+nohk
+nohkmap
+nohkmapp
+nohkp
+nohls
+noic
+noicon
+noignorecase
+noim
+noimc
+noimcmdline
+noimd
+noincsearch
+noinf
+noinfercase
+noinsertmode
+nois
+nojoinspaces
+nojs
+nolazyredraw
+nolbr
+nolinebreak
+nolisp
+nolist
+noloadplugins
+nolpl
+nolz
+noma
+nomacatsui
+nomagic
+nomh
+noml
+nomod
+nomodeline
+nomodifiable
+nomodified
+nomore
+nomousef
+nomousefocus
+nomousehide
+nonu
+nonumber
+noodev
+noopendevice
+nopaste
+nopi
+nopreserveindent
+nopreviewwindow
+noprompt
+nopvw
+noreadonly
+noremap
+norestorescreen
+norevins
+nori
+norightleft
+norightleftcmd
+norl
+norlc
+noro
+nors
+noru
+noruler
+nosb
+nosc
+noscb
+noscrollbind
+noscs
+nosecure
+nosft
+noshellslash
+noshelltemp
+noshiftround
+noshortname
+noshowcmd
+noshowfulltag
+noshowmatch
+noshowmode
+nosi
+nosm
+nosmartcase
+nosmartindent
+nosmarttab
+nosmd
+nosn
+nosol
+nospell
+nosplitbelow
+nosplitright
+nospr
+nosr
+nossl
+nosta
+nostartofline
+nostmp
+noswapfile
+noswf
+nota
+notagbsearch
+notagrelative
+notagstack
+notbi
+notbidi
+notbs
+notermbidi
+noterse
+notextauto
+notextmode
+notf
+notgst
+notildeop
+notimeout
+notitle
+noto
+notop
+notr
+nottimeout
+nottybuiltin
+nottyfast
+notx
+novb
+novisualbell
+nowa
+nowarn
+nowb
+noweirdinvert
+nowfh
+nowfw
+nowildmenu
+nowinfixheight
+nowinfixwidth
+nowiv
+nowmnu
+nowrap
+nowrapscan
+nowrite
+nowriteany
+nowritebackup
+nows
+invacd
+invai
+invakm
+invallowrevins
+invaltkeymap
+invanti
+invantialias
+invar
+invarab
+invarabic
+invarabicshape
+invari
+invarshape
+invautochdir
+invautoindent
+invautoread
+invautowrite
+invautowriteall
+invaw
+invawa
+invbackup
+invballooneval
+invbeval
+invbin
+invbinary
+invbiosk
+invbioskey
+invbk
+invbl
+invbomb
+invbuflisted
+invcf
+invci
+invcin
+invcindent
+invcompatible
+invconfirm
+invconsk
+invconskey
+invcopyindent
+invcp
+invcscopetag
+invcscopeverbose
+invcst
+invcsverb
+invcuc
+invcul
+invcursorcolumn
+invcursorline
+invdeco
+invdelcombine
+invdg
+invdiff
+invdigraph
+invdisable
+invea
+inveb
+inved
+invedcompatible
+invek
+invendofline
+inveol
+invequalalways
+inverrorbells
+invesckeys
+invet
+invex
+invexpandtab
+invexrc
+invfen
+invfk
+invfkmap
+invfoldenable
+invgd
+invgdefault
+invguipty
+invhid
+invhidden
+invhk
+invhkmap
+invhkmapp
+invhkp
+invhls
+invhlsearch
+invic
+invicon
+invignorecase
+invim
+invimc
+invimcmdline
+invimd
+invincsearch
+invinf
+invinfercase
+invinsertmode
+invis
+invjoinspaces
+invjs
+invlazyredraw
+invlbr
+invlinebreak
+invlisp
+invlist
+invloadplugins
+invlpl
+invlz
+invma
+invmacatsui
+invmagic
+invmh
+invml
+invmod
+invmodeline
+invmodifiable
+invmodified
+invmore
+invmousef
+invmousefocus
+invmousehide
+invnu
+invnumber
+invodev
+invopendevice
+invpaste
+invpi
+invpreserveindent
+invpreviewwindow
+invprompt
+invpvw
+invreadonly
+invremap
+invrestorescreen
+invrevins
+invri
+invrightleft
+invrightleftcmd
+invrl
+invrlc
+invro
+invrs
+invru
+invruler
+invsb
+invsc
+invscb
+invscrollbind
+invscs
+invsecure
+invsft
+invshellslash
+invshelltemp
+invshiftround
+invshortname
+invshowcmd
+invshowfulltag
+invshowmatch
+invshowmode
+invsi
+invsm
+invsmartcase
+invsmartindent
+invsmarttab
+invsmd
+invsn
+invsol
+invspell
+invsplitbelow
+invsplitright
+invspr
+invsr
+invssl
+invsta
+invstartofline
+invstmp
+invswapfile
+invswf
+invta
+invtagbsearch
+invtagrelative
+invtagstack
+invtbi
+invtbidi
+invtbs
+invtermbidi
+invterse
+invtextauto
+invtextmode
+invtf
+invtgst
+invtildeop
+invtimeout
+invtitle
+invto
+invtop
+invtr
+invttimeout
+invttybuiltin
+invttyfast
+invtx
+invvb
+invvisualbell
+invwa
+invwarn
+invwb
+invweirdinvert
+invwfh
+invwfw
+invwildmenu
+invwinfixheight
+invwinfixwidth
+invwiv
+invwmnu
+invwrap
+invwrapscan
+invwrite
+invwriteany
+invwritebackup
+invws
+t_AB
+t_AF
+t_al
+t_AL
+t_bc
+t_cd
+t_ce
+t_Ce
+t_cl
+t_cm
+t_Co
+t_cs
+t_Cs
+t_CS
+t_CV
+t_da
+t_db
+t_dl
+t_DL
+t_EI
+t_F1
+t_F2
+t_F3
+t_F4
+t_F5
+t_F6
+t_F7
+t_F8
+t_F9
+t_fs
+t_IE
+t_IS
+t_k1
+t_K1
+t_k2
+t_k3
+t_K3
+t_k4
+t_K4
+t_k5
+t_K5
+t_k6
+t_K6
+t_k7
+t_K7
+t_k8
+t_K8
+t_k9
+t_K9
+t_KA
+t_kb
+t_kB
+t_KB
+t_KC
+t_kd
+t_kD
+t_KD
+t_ke
+t_KE
+t_KF
+t_KG
+t_kh
+t_KH
+t_kI
+t_KI
+t_KJ
+t_KK
+t_kl
+t_KL
+t_kN
+t_kP
+t_kr
+t_ks
+t_ku
+t_le
+t_mb
+t_md
+t_me
+t_mr
+t_ms
+t_nd
+t_op
+t_RI
+t_RV
+t_Sb
+t_se
+t_Sf
+t_SI
+t_so
+t_sr
+t_te
+t_ti
+t_ts
+t_ue
+t_us
+t_ut
+t_vb
+t_ve
+t_vi
+t_vs
+t_WP
+t_WS
+t_xs
+t_ZH
+t_ZR
+
+----------------------------------------------------
+
+[
+	["builtin", "autocmd"],
+	["builtin", "acd"],
+	["builtin", "ai"],
+	["builtin", "akm"],
+	["builtin", "aleph"],
+	["builtin", "allowrevins"],
+	["builtin", "altkeymap"],
+	["builtin", "ambiwidth"],
+	["builtin", "ambw"],
+	["builtin", "anti"],
+	["builtin", "antialias"],
+	["builtin", "arab"],
+	["builtin", "arabic"],
+	["builtin", "arabicshape"],
+	["builtin", "ari"],
+	["builtin", "arshape"],
+	["builtin", "autochdir"],
+	["builtin", "autoindent"],
+	["builtin", "autoread"],
+	["builtin", "autowrite"],
+	["builtin", "autowriteall"],
+	["builtin", "aw"],
+	["builtin", "awa"],
+	["builtin", "background"],
+	["builtin", "backspace"],
+	["builtin", "backup"],
+	["builtin", "backupcopy"],
+	["builtin", "backupdir"],
+	["builtin", "backupext"],
+	["builtin", "backupskip"],
+	["builtin", "balloondelay"],
+	["builtin", "ballooneval"],
+	["builtin", "balloonexpr"],
+	["builtin", "bdir"],
+	["builtin", "bdlay"],
+	["builtin", "beval"],
+	["builtin", "bex"],
+	["builtin", "bexpr"],
+	["builtin", "bg"],
+	["builtin", "bh"],
+	["builtin", "bin"],
+	["builtin", "binary"],
+	["builtin", "biosk"],
+	["builtin", "bioskey"],
+	["builtin", "bk"],
+	["builtin", "bkc"],
+	["builtin", "bomb"],
+	["builtin", "breakat"],
+	["builtin", "brk"],
+	["builtin", "browsedir"],
+	["builtin", "bs"],
+	["builtin", "bsdir"],
+	["builtin", "bsk"],
+	["builtin", "bt"],
+	["builtin", "bufhidden"],
+	["builtin", "buflisted"],
+	["builtin", "buftype"],
+	["builtin", "casemap"],
+	["builtin", "ccv"],
+	["builtin", "cdpath"],
+	["builtin", "cedit"],
+	["builtin", "cfu"],
+	["builtin", "ch"],
+	["builtin", "charconvert"],
+	["builtin", "ci"],
+	["builtin", "cin"],
+	["builtin", "cindent"],
+	["builtin", "cink"],
+	["builtin", "cinkeys"],
+	["builtin", "cino"],
+	["builtin", "cinoptions"],
+	["builtin", "cinw"],
+	["builtin", "cinwords"],
+	["builtin", "clipboard"],
+	["builtin", "cmdheight"],
+	["builtin", "cmdwinheight"],
+	["builtin", "cmp"],
+	["builtin", "cms"],
+	["builtin", "columns"],
+	["builtin", "com"],
+	["builtin", "comments"],
+	["builtin", "commentstring"],
+	["builtin", "compatible"],
+	["builtin", "complete"],
+	["builtin", "completefunc"],
+	["builtin", "completeopt"],
+	["builtin", "consk"],
+	["builtin", "conskey"],
+	["builtin", "copyindent"],
+	["builtin", "cot"],
+	["builtin", "cpo"],
+	["builtin", "cpoptions"],
+	["builtin", "cpt"],
+	["builtin", "cscopepathcomp"],
+	["builtin", "cscopeprg"],
+	["builtin", "cscopequickfix"],
+	["builtin", "cscopetag"],
+	["builtin", "cscopetagorder"],
+	["builtin", "cscopeverbose"],
+	["builtin", "cspc"],
+	["builtin", "csprg"],
+	["builtin", "csqf"],
+	["builtin", "cst"],
+	["builtin", "csto"],
+	["builtin", "csverb"],
+	["builtin", "cuc"],
+	["builtin", "cul"],
+	["builtin", "cursorcolumn"],
+	["builtin", "cursorline"],
+	["builtin", "cwh"],
+	["builtin", "debug"],
+	["builtin", "deco"],
+	["builtin", "def"],
+	["builtin", "define"],
+	["builtin", "delcombine"],
+	["builtin", "dex"],
+	["builtin", "dg"],
+	["builtin", "dict"],
+	["builtin", "dictionary"],
+	["builtin", "diff"],
+	["builtin", "diffexpr"],
+	["builtin", "diffopt"],
+	["builtin", "digraph"],
+	["builtin", "dip"],
+	["builtin", "dir"],
+	["builtin", "directory"],
+	["builtin", "dy"],
+	["builtin", "ea"],
+	["builtin", "ead"],
+	["builtin", "eadirection"],
+	["builtin", "eb"],
+	["builtin", "ed"],
+	["builtin", "edcompatible"],
+	["builtin", "ef"],
+	["builtin", "efm"],
+	["builtin", "ei"],
+	["builtin", "ek"],
+	["builtin", "enc"],
+	["builtin", "encoding"],
+	["builtin", "endofline"],
+	["builtin", "eol"],
+	["builtin", "ep"],
+	["builtin", "equalalways"],
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+	["builtin", "guitablabel"],
+	["builtin", "guitabtooltip"],
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+	["builtin", "lisp"],
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+	["builtin", "loadplugins"],
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+	["builtin", "lz"],
+	["builtin", "macatsui"],
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+	["builtin", "title"],
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+	["builtin", "toolbariconsize"],
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+	["builtin", "nolazyredraw"],
+	["builtin", "nolbr"],
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+	["builtin", "nolisp"],
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+	["builtin", "nolz"],
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+	["builtin", "nomagic"],
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+	["builtin", "norightleft"],
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+	["builtin", "nowfh"],
+	["builtin", "nowfw"],
+	["builtin", "nowildmenu"],
+	["builtin", "nowinfixheight"],
+	["builtin", "nowinfixwidth"],
+	["builtin", "nowiv"],
+	["builtin", "nowmnu"],
+	["builtin", "nowrap"],
+	["builtin", "nowrapscan"],
+	["builtin", "nowrite"],
+	["builtin", "nowriteany"],
+	["builtin", "nowritebackup"],
+	["builtin", "nows"],
+	["builtin", "invacd"],
+	["builtin", "invai"],
+	["builtin", "invakm"],
+	["builtin", "invallowrevins"],
+	["builtin", "invaltkeymap"],
+	["builtin", "invanti"],
+	["builtin", "invantialias"],
+	["builtin", "invar"],
+	["builtin", "invarab"],
+	["builtin", "invarabic"],
+	["builtin", "invarabicshape"],
+	["builtin", "invari"],
+	["builtin", "invarshape"],
+	["builtin", "invautochdir"],
+	["builtin", "invautoindent"],
+	["builtin", "invautoread"],
+	["builtin", "invautowrite"],
+	["builtin", "invautowriteall"],
+	["builtin", "invaw"],
+	["builtin", "invawa"],
+	["builtin", "invbackup"],
+	["builtin", "invballooneval"],
+	["builtin", "invbeval"],
+	["builtin", "invbin"],
+	["builtin", "invbinary"],
+	["builtin", "invbiosk"],
+	["builtin", "invbioskey"],
+	["builtin", "invbk"],
+	["builtin", "invbl"],
+	["builtin", "invbomb"],
+	["builtin", "invbuflisted"],
+	["builtin", "invcf"],
+	["builtin", "invci"],
+	["builtin", "invcin"],
+	["builtin", "invcindent"],
+	["builtin", "invcompatible"],
+	["builtin", "invconfirm"],
+	["builtin", "invconsk"],
+	["builtin", "invconskey"],
+	["builtin", "invcopyindent"],
+	["builtin", "invcp"],
+	["builtin", "invcscopetag"],
+	["builtin", "invcscopeverbose"],
+	["builtin", "invcst"],
+	["builtin", "invcsverb"],
+	["builtin", "invcuc"],
+	["builtin", "invcul"],
+	["builtin", "invcursorcolumn"],
+	["builtin", "invcursorline"],
+	["builtin", "invdeco"],
+	["builtin", "invdelcombine"],
+	["builtin", "invdg"],
+	["builtin", "invdiff"],
+	["builtin", "invdigraph"],
+	["builtin", "invdisable"],
+	["builtin", "invea"],
+	["builtin", "inveb"],
+	["builtin", "inved"],
+	["builtin", "invedcompatible"],
+	["builtin", "invek"],
+	["builtin", "invendofline"],
+	["builtin", "inveol"],
+	["builtin", "invequalalways"],
+	["builtin", "inverrorbells"],
+	["builtin", "invesckeys"],
+	["builtin", "invet"],
+	["builtin", "invex"],
+	["builtin", "invexpandtab"],
+	["builtin", "invexrc"],
+	["builtin", "invfen"],
+	["builtin", "invfk"],
+	["builtin", "invfkmap"],
+	["builtin", "invfoldenable"],
+	["builtin", "invgd"],
+	["builtin", "invgdefault"],
+	["builtin", "invguipty"],
+	["builtin", "invhid"],
+	["builtin", "invhidden"],
+	["builtin", "invhk"],
+	["builtin", "invhkmap"],
+	["builtin", "invhkmapp"],
+	["builtin", "invhkp"],
+	["builtin", "invhls"],
+	["builtin", "invhlsearch"],
+	["builtin", "invic"],
+	["builtin", "invicon"],
+	["builtin", "invignorecase"],
+	["builtin", "invim"],
+	["builtin", "invimc"],
+	["builtin", "invimcmdline"],
+	["builtin", "invimd"],
+	["builtin", "invincsearch"],
+	["builtin", "invinf"],
+	["builtin", "invinfercase"],
+	["builtin", "invinsertmode"],
+	["builtin", "invis"],
+	["builtin", "invjoinspaces"],
+	["builtin", "invjs"],
+	["builtin", "invlazyredraw"],
+	["builtin", "invlbr"],
+	["builtin", "invlinebreak"],
+	["builtin", "invlisp"],
+	["builtin", "invlist"],
+	["builtin", "invloadplugins"],
+	["builtin", "invlpl"],
+	["builtin", "invlz"],
+	["builtin", "invma"],
+	["builtin", "invmacatsui"],
+	["builtin", "invmagic"],
+	["builtin", "invmh"],
+	["builtin", "invml"],
+	["builtin", "invmod"],
+	["builtin", "invmodeline"],
+	["builtin", "invmodifiable"],
+	["builtin", "invmodified"],
+	["builtin", "invmore"],
+	["builtin", "invmousef"],
+	["builtin", "invmousefocus"],
+	["builtin", "invmousehide"],
+	["builtin", "invnu"],
+	["builtin", "invnumber"],
+	["builtin", "invodev"],
+	["builtin", "invopendevice"],
+	["builtin", "invpaste"],
+	["builtin", "invpi"],
+	["builtin", "invpreserveindent"],
+	["builtin", "invpreviewwindow"],
+	["builtin", "invprompt"],
+	["builtin", "invpvw"],
+	["builtin", "invreadonly"],
+	["builtin", "invremap"],
+	["builtin", "invrestorescreen"],
+	["builtin", "invrevins"],
+	["builtin", "invri"],
+	["builtin", "invrightleft"],
+	["builtin", "invrightleftcmd"],
+	["builtin", "invrl"],
+	["builtin", "invrlc"],
+	["builtin", "invro"],
+	["builtin", "invrs"],
+	["builtin", "invru"],
+	["builtin", "invruler"],
+	["builtin", "invsb"],
+	["builtin", "invsc"],
+	["builtin", "invscb"],
+	["builtin", "invscrollbind"],
+	["builtin", "invscs"],
+	["builtin", "invsecure"],
+	["builtin", "invsft"],
+	["builtin", "invshellslash"],
+	["builtin", "invshelltemp"],
+	["builtin", "invshiftround"],
+	["builtin", "invshortname"],
+	["builtin", "invshowcmd"],
+	["builtin", "invshowfulltag"],
+	["builtin", "invshowmatch"],
+	["builtin", "invshowmode"],
+	["builtin", "invsi"],
+	["builtin", "invsm"],
+	["builtin", "invsmartcase"],
+	["builtin", "invsmartindent"],
+	["builtin", "invsmarttab"],
+	["builtin", "invsmd"],
+	["builtin", "invsn"],
+	["builtin", "invsol"],
+	["builtin", "invspell"],
+	["builtin", "invsplitbelow"],
+	["builtin", "invsplitright"],
+	["builtin", "invspr"],
+	["builtin", "invsr"],
+	["builtin", "invssl"],
+	["builtin", "invsta"],
+	["builtin", "invstartofline"],
+	["builtin", "invstmp"],
+	["builtin", "invswapfile"],
+	["builtin", "invswf"],
+	["builtin", "invta"],
+	["builtin", "invtagbsearch"],
+	["builtin", "invtagrelative"],
+	["builtin", "invtagstack"],
+	["builtin", "invtbi"],
+	["builtin", "invtbidi"],
+	["builtin", "invtbs"],
+	["builtin", "invtermbidi"],
+	["builtin", "invterse"],
+	["builtin", "invtextauto"],
+	["builtin", "invtextmode"],
+	["builtin", "invtf"],
+	["builtin", "invtgst"],
+	["builtin", "invtildeop"],
+	["builtin", "invtimeout"],
+	["builtin", "invtitle"],
+	["builtin", "invto"],
+	["builtin", "invtop"],
+	["builtin", "invtr"],
+	["builtin", "invttimeout"],
+	["builtin", "invttybuiltin"],
+	["builtin", "invttyfast"],
+	["builtin", "invtx"],
+	["builtin", "invvb"],
+	["builtin", "invvisualbell"],
+	["builtin", "invwa"],
+	["builtin", "invwarn"],
+	["builtin", "invwb"],
+	["builtin", "invweirdinvert"],
+	["builtin", "invwfh"],
+	["builtin", "invwfw"],
+	["builtin", "invwildmenu"],
+	["builtin", "invwinfixheight"],
+	["builtin", "invwinfixwidth"],
+	["builtin", "invwiv"],
+	["builtin", "invwmnu"],
+	["builtin", "invwrap"],
+	["builtin", "invwrapscan"],
+	["builtin", "invwrite"],
+	["builtin", "invwriteany"],
+	["builtin", "invwritebackup"],
+	["builtin", "invws"],
+	["builtin", "t_AB"],
+	["builtin", "t_AF"],
+	["builtin", "t_al"],
+	["builtin", "t_AL"],
+	["builtin", "t_bc"],
+	["builtin", "t_cd"],
+	["builtin", "t_ce"],
+	["builtin", "t_Ce"],
+	["builtin", "t_cl"],
+	["builtin", "t_cm"],
+	["builtin", "t_Co"],
+	["builtin", "t_cs"],
+	["builtin", "t_Cs"],
+	["builtin", "t_CS"],
+	["builtin", "t_CV"],
+	["builtin", "t_da"],
+	["builtin", "t_db"],
+	["builtin", "t_dl"],
+	["builtin", "t_DL"],
+	["builtin", "t_EI"],
+	["builtin", "t_F1"],
+	["builtin", "t_F2"],
+	["builtin", "t_F3"],
+	["builtin", "t_F4"],
+	["builtin", "t_F5"],
+	["builtin", "t_F6"],
+	["builtin", "t_F7"],
+	["builtin", "t_F8"],
+	["builtin", "t_F9"],
+	["builtin", "t_fs"],
+	["builtin", "t_IE"],
+	["builtin", "t_IS"],
+	["builtin", "t_k1"],
+	["builtin", "t_K1"],
+	["builtin", "t_k2"],
+	["builtin", "t_k3"],
+	["builtin", "t_K3"],
+	["builtin", "t_k4"],
+	["builtin", "t_K4"],
+	["builtin", "t_k5"],
+	["builtin", "t_K5"],
+	["builtin", "t_k6"],
+	["builtin", "t_K6"],
+	["builtin", "t_k7"],
+	["builtin", "t_K7"],
+	["builtin", "t_k8"],
+	["builtin", "t_K8"],
+	["builtin", "t_k9"],
+	["builtin", "t_K9"],
+	["builtin", "t_KA"],
+	["builtin", "t_kb"],
+	["builtin", "t_kB"],
+	["builtin", "t_KB"],
+	["builtin", "t_KC"],
+	["builtin", "t_kd"],
+	["builtin", "t_kD"],
+	["builtin", "t_KD"],
+	["builtin", "t_ke"],
+	["builtin", "t_KE"],
+	["builtin", "t_KF"],
+	["builtin", "t_KG"],
+	["builtin", "t_kh"],
+	["builtin", "t_KH"],
+	["builtin", "t_kI"],
+	["builtin", "t_KI"],
+	["builtin", "t_KJ"],
+	["builtin", "t_KK"],
+	["builtin", "t_kl"],
+	["builtin", "t_KL"],
+	["builtin", "t_kN"],
+	["builtin", "t_kP"],
+	["builtin", "t_kr"],
+	["builtin", "t_ks"],
+	["builtin", "t_ku"],
+	["builtin", "t_le"],
+	["builtin", "t_mb"],
+	["builtin", "t_md"],
+	["builtin", "t_me"],
+	["builtin", "t_mr"],
+	["builtin", "t_ms"],
+	["builtin", "t_nd"],
+	["builtin", "t_op"],
+	["builtin", "t_RI"],
+	["builtin", "t_RV"],
+	["builtin", "t_Sb"],
+	["builtin", "t_se"],
+	["builtin", "t_Sf"],
+	["builtin", "t_SI"],
+	["builtin", "t_so"],
+	["builtin", "t_sr"],
+	["builtin", "t_te"],
+	["builtin", "t_ti"],
+	["builtin", "t_ts"],
+	["builtin", "t_ue"],
+	["builtin", "t_us"],
+	["builtin", "t_ut"],
+	["builtin", "t_vb"],
+	["builtin", "t_ve"],
+	["builtin", "t_vi"],
+	["builtin", "t_vs"],
+	["builtin", "t_WP"],
+	["builtin", "t_WS"],
+	["builtin", "t_xs"],
+	["builtin", "t_ZH"],
+	["builtin", "t_ZR"]
+]
+
+----------------------------------------------------
+
+Checks for builtins.