diff --git a/runtime/syntax/vim.vim b/runtime/syntax/vim.vim
index e290a70..247663d 100644
--- a/runtime/syntax/vim.vim
+++ b/runtime/syntax/vim.vim
@@ -2,7 +2,6 @@
 " Language:	   Vim script
 " Maintainer:	   Hirohito Higashi <h.east.727 ATMARK gmail.com>
 "	   Doug Kearns <dougkearns@gmail.com>
-" URL:	   https://github.com/vim-jp/syntax-vim-ex
 " Last Change:	   2024 Aug 30
 " Former Maintainer: Charles E. Campbell
 
@@ -29,8 +28,8 @@
 " regular vim commands {{{2
 " GEN_SYN_VIM: vimCommand normal, START_STR='syn keyword vimCommand contained', END_STR=''
 syn keyword vimCommand contained abo[veleft] abs[tract] al[l] ar[gs] arga[dd] argd[elete] argdo argded[upe] arge[dit] argg[lobal] argl[ocal] argu[ment] as[cii] b[uffer] bN[ext] ba[ll] bad[d] balt bd[elete] bel[owright] bf[irst] bl[ast] bm[odified] bn[ext] bo[tright] bp[revious] br[ewind] brea[k] breaka[dd] breakd[el] breakl[ist] bro[wse] buffers bufd[o] bun[load] bw[ipeout] c[hange] cN[ext] cNf[ile] cabo[ve] cad[dbuffer] cadde[xpr] caddf[ile] caf[ter] cb[uffer] cbe[fore] cbel[ow] cbo[ttom] cc ccl[ose] cd cdo ce[nter] cex[pr] cf[ile] cfd[o] cfir[st] cg[etfile] cgetb[uffer] cgete[xpr] chd[ir] changes che[ckpath] checkt[ime] chi[story] cl[ist] cla[st] class clo[se] cle[arjumps] cn[ext] cnew[er] cnf[ile] co[py] col[der] colo[rscheme] com[mand] comc[lear] comp[iler]
-syn keyword vimCommand contained con[tinue] conf[irm] cons[t] cope[n] cp[revious] cpf[ile] cq[uit] cr[ewind] cs[cope] cst[ag] cw[indow] d[elete] delm[arks] deb[ug] debugg[reedy] defc[ompile] defe[r] delc[ommand] delf[unction] di[splay] dif[fupdate] diffg[et] diffo[ff] diffp[atch] diffpu[t] diffs[plit] difft[his] dig[raphs] disa[ssemble] dj[ump] dli[st] dr[op] ds[earch] dsp[lit] e[dit] ea[rlier] el[se] elsei[f] em[enu] en[dif] endin[terface] endc[lass] ende[num] endfo[r] endt[ry] endw[hile] ene[w] enu[m] ev[al] ex exi[t] exp[ort] exu[sage] f[ile] files filet[ype] filt[er] fin[d] finall[y] fini[sh] fir[st] fix[del] fo[ld] foldc[lose] foldd[oopen] folddoc[losed] foldo[pen] g[lobal] go[to] gr[ep] grepa[dd] gu[i] gv[im] h[elp] helpc[lose] helpf[ind] helpg[rep] helpt[ags]
-syn keyword vimCommand contained ha[rdcopy] hi[ghlight] hid[e] his[tory] ho[rizontal] if ij[ump] il[ist] imp[ort] int[ro] inte[rface] is[earch] isp[lit] j[oin] ju[mps] k kee[pmarks] keepj[umps] keepp[atterns] keepa[lt] l[ist] lN[ext] lNf[ile] la[st] lab[ove] lan[guage] lad[dexpr] laddb[uffer] laddf[ile] laf[ter] lat[er] lb[uffer] lbe[fore] lbel[ow] lbo[ttom] lc[d] lch[dir] lcl[ose] lcs[cope] ld[o] le[ft] lefta[bove] lex[pr] leg[acy] lf[ile] lfd[o] lfir[st] lg[etfile] lgetb[uffer] lgete[xpr] lgr[ep] lgrepa[dd] lh[elpgrep] lhi[story] ll lla[st] lli[st] lmak[e] lne[xt] lnew[er] lnf[ile] lo[adview] loc[kmarks] lockv[ar] lol[der] lop[en] lp[revious] lpf[ile] lr[ewind] lt[ag] lua luad[o] luaf[ile] lv[imgrep] lvimgrepa[dd] lw[indow] ls m[ove] ma[rk] mak[e] marks menut[ranslate]
+syn keyword vimCommand contained con[tinue] conf[irm] cons[t] cope[n] cp[revious] cpf[ile] cq[uit] cr[ewind] cs[cope] cst[ag] cw[indow] d[elete] delm[arks] deb[ug] debugg[reedy] defc[ompile] defe[r] delf[unction] di[splay] dif[fupdate] diffg[et] diffo[ff] diffp[atch] diffpu[t] diffs[plit] difft[his] dig[raphs] disa[ssemble] dj[ump] dli[st] dr[op] ds[earch] dsp[lit] e[dit] ea[rlier] el[se] elsei[f] em[enu] en[dif] endin[terface] endc[lass] ende[num] endfo[r] endt[ry] endw[hile] ene[w] enu[m] ev[al] ex exi[t] exp[ort] exu[sage] f[ile] files filet[ype] filt[er] fin[d] finall[y] fini[sh] fir[st] fix[del] fo[ld] foldc[lose] foldd[oopen] folddoc[losed] foldo[pen] g[lobal] go[to] gr[ep] grepa[dd] gu[i] gv[im] h[elp] helpc[lose] helpf[ind] helpg[rep] helpt[ags] ha[rdcopy]
+syn keyword vimCommand contained hi[ghlight] hid[e] his[tory] ho[rizontal] if ij[ump] il[ist] imp[ort] int[ro] inte[rface] is[earch] isp[lit] j[oin] ju[mps] k kee[pmarks] keepj[umps] keepp[atterns] keepa[lt] l[ist] lN[ext] lNf[ile] la[st] lab[ove] lan[guage] lad[dexpr] laddb[uffer] laddf[ile] laf[ter] lat[er] lb[uffer] lbe[fore] lbel[ow] lbo[ttom] lc[d] lch[dir] lcl[ose] lcs[cope] ld[o] le[ft] lefta[bove] lex[pr] leg[acy] lf[ile] lfd[o] lfir[st] lg[etfile] lgetb[uffer] lgete[xpr] lgr[ep] lgrepa[dd] lh[elpgrep] lhi[story] ll lla[st] lli[st] lmak[e] lne[xt] lnew[er] lnf[ile] lo[adview] loc[kmarks] lockv[ar] lol[der] lop[en] lp[revious] lpf[ile] lr[ewind] lt[ag] lua luad[o] luaf[ile] lv[imgrep] lvimgrepa[dd] lw[indow] ls m[ove] ma[rk] mak[e] marks menut[ranslate]
 syn keyword vimCommand contained mes[sages] mk[exrc] mks[ession] mksp[ell] mkv[imrc] mkvie[w] mod[e] mz[scheme] mzf[ile] n[ext] nb[key] nbc[lose] nbs[tart] noa[utocmd] noh[lsearch] nos[wapfile] nu[mber] o[pen] ol[dfiles] on[ly] opt[ions] ow[nsyntax] p[rint] pa[ckadd] packl[oadall] pc[lose] pe[rl] perld[o] ped[it] po[p] pp[op] pre[serve] prev[ious] pro[mptfind] promptr[epl] prof[ile] profd[el] ps[earch] pt[ag] ptN[ext] ptf[irst] ptj[ump] ptl[ast] ptn[ext] ptp[revious] ptr[ewind] pts[elect] pu[t] pub[lic] pw[d] py[thon] pyd[o] pyf[ile] py3 py3d[o] python3 py3f[ile] pyx pyxd[o] pythonx pyxf[ile] q[uit] quita[ll] qa[ll] r[ead] rec[over] red[o] redi[r] redr[aw] redraws[tatus] redrawt[abline] reg[isters] res[ize] ret[ab] retu[rn] rew[ind] ri[ght] rightb[elow] ru[ntime]
 syn keyword vimCommand contained rub[y] rubyd[o] rubyf[ile] rund[o] rv[iminfo] sN[ext] sa[rgument] sal[l] san[dbox] sav[eas] sb[uffer] sbN[ext] sba[ll] sbf[irst] sbl[ast] sbm[odified] sbn[ext] sbp[revious] sbr[ewind] sc[riptnames] scripte[ncoding] scriptv[ersion] scs[cope] setf[iletype] sf[ind] sfir[st] sh[ell] si[malt] sig[n] sil[ent] sla[st] sn[ext] so[urce] sor[t] sp[lit] spe[llgood] spelld[ump] spelli[nfo] spellr[epall] spellra[re] spellu[ndo] spellw[rong] spr[evious] sr[ewind] st[op] sta[g] star[tinsert] startg[replace] startr[eplace] stat[ic] stopi[nsert] stj[ump] sts[elect] sun[hide] sus[pend] sv[iew] sw[apname] synti[me] sync[bind] smi[le] t tN[ext] ta[g] tags tab tabc[lose] tabd[o] tabe[dit] tabf[ind] tabfir[st] tabm[ove] tabl[ast] tabn[ext] tabnew tabo[nly]
 syn keyword vimCommand contained tabp[revious] tabN[ext] tabr[ewind] tabs tc[d] tch[dir] tcl tcld[o] tclf[ile] te[aroff] ter[minal] tf[irst] thi[s] tj[ump] tl[ast] tn[ext] to[pleft] tp[revious] tr[ewind] try ts[elect] ty[pe] u[ndo] undoj[oin] undol[ist] unh[ide] unlo[ckvar] uns[ilent] up[date] v[global] ve[rsion] verb[ose] vert[ical] vi[sual] vie[w] vim[grep] vimgrepa[dd] vim9[cmd] viu[sage] vne[w] vs[plit] w[rite] wN[ext] wa[ll] wh[ile] wi[nsize] winc[md] wind[o] winp[os] wn[ext] wp[revious] wq wqa[ll] wu[ndo] wv[iminfo] x[it] xa[ll] xr[estore] y[ank] z dl dell delel deletl deletel dp dep delp delep deletp deletep a i
@@ -223,10 +222,11 @@
 syn case match
 
 " All vimCommands are contained by vimIsCommand. {{{2
-syn cluster vimCmdList	contains=vimAbb,vimAddress,vimAutoCmd,vimAugroup,vimBehave,vimCall,vimCatch,vimConst,vimDef,@vimEcho,vimEnddef,vimEndfunction,vimExecute,vimIsCommand,vimExtCmd,vimFor,vimFunction,vimGlobal,vimHighlight,vimLet,vimLoadkeymap,vimMap,vimMark,vimMatch,vimNotFunc,vimNorm,vimSet,vimSleep,vimSyntax,vimThrow,vimUnlet,vimUnmap,vimUserCmd,vimMenu,vimMenutranslate,@vim9CmdList
+syn cluster vimCmdList	contains=vimAbb,vimAddress,vimAutoCmd,vimAugroup,vimBehave,vimCall,vimCatch,vimConst,vimDef,vimDelcommand,@vimEcho,vimEnddef,vimEndfunction,vimExecute,vimIsCommand,vimExtCmd,vimFor,vimFunction,vimGlobal,vimHighlight,vimLet,vimLoadkeymap,vimMap,vimMark,vimMatch,vimNotFunc,vimNorm,vimSet,vimSleep,vimSyntax,vimThrow,vimUnlet,vimUnmap,vimUserCmd,vimMenu,vimMenutranslate,@vim9CmdList
 syn cluster vim9CmdList	contains=vim9Const,vim9Final,vim9For,vim9Var
 syn match vimCmdSep	"[:|]\+"	skipwhite nextgroup=@vimCmdList,vimSubst1
 syn match vimIsCommand	"\<\%(\h\w*\|[23]mat\%[ch]\)\>"	contains=vimCommand
+syn match vimBang	      contained	"!"
 syn match vimVar	      contained	"\<\h[a-zA-Z0-9#_]*\>"
 syn match vimVar		"\<[bwglstav]:\h[a-zA-Z0-9#_]*\>"
 syn match vimVar	      	"\s\zs&\%([lg]:\)\=\a\+\>"
@@ -400,33 +400,46 @@
 " User-Specified Commands: {{{2
 " =======================
 syn cluster	vimUserCmdList	contains=@vimCmdList,vimCmplxRepeat,@vimComment,vimCtrlChar,vimEscapeBrace,vimFunc,vimNotation,vimNumber,vimOper,vimRegister,vimSpecFile,vimString,vimSubst,vimSubstRep,vimSubstRange
-syn keyword	vimUserCommand	contained	com[mand]
-syn match	vimUserCmdName	contained	"\<\u\w*\>" nextgroup=vimUserCmdBlock skipwhite
-syn match	vimUserCmd	"\<com\%[mand]!\=\>.*$"	contains=vimUserAttrb,vimUserAttrbError,vimUserCommand,@vimUserCmdList,vimComFilter,vimCmdBlock,vimUserCmdName
-syn match	vimUserAttrbError	contained	"-\a\+\ze\s"
-syn match	vimUserAttrb	contained	"-nargs=[01*?+]"	contains=vimUserAttrbKey,vimOper
-syn match	vimUserAttrb	contained	"-complete="		contains=vimUserAttrbKey,vimOper nextgroup=vimUserAttrbCmplt,vimUserCmdError
-syn match	vimUserAttrb	contained	"-range\(=%\|=\d\+\)\="	contains=vimNumber,vimOper,vimUserAttrbKey
-syn match	vimUserAttrb	contained	"-count\(=\d\+\)\="	contains=vimNumber,vimOper,vimUserAttrbKey
-syn match	vimUserAttrb	contained	"-bang\>"		contains=vimOper,vimUserAttrbKey
-syn match	vimUserAttrb	contained	"-bar\>"		contains=vimOper,vimUserAttrbKey
-syn match	vimUserAttrb	contained	"-buffer\>"		contains=vimOper,vimUserAttrbKey
-syn match	vimUserAttrb	contained	"-register\>"		contains=vimOper,vimUserAttrbKey
+syn keyword	vimUserCmdKey	contained	com[mand]
+syn match	vimUserCmdName	contained	"\<\u[[:alnum:]]*\>"	skipwhite nextgroup=vimUserCmdBlock
+syn match	vimUserCmd		"\<com\%[mand]\>!\=.*$"	contains=vimUserCmdKey,vimBang,vimUserCmdAttr,vimUserCmdAttrError,vimUserCmdName,@vimUserCmdList,vimComFilter
+syn match	vimUserCmdAttrError	contained	"-\a\+\ze\%(\s\|=\)"
+syn match	vimUserCmdAttr	contained	"-addr="		contains=vimUserCmdAttrKey nextgroup=vimUserCmdAttrAddr
+syn match	vimUserCmdAttr	contained	"-bang\>"		contains=vimUserCmdAttrKey
+syn match	vimUserCmdAttr	contained	"-bar\>"		contains=vimUserCmdAttrKey
+syn match	vimUserCmdAttr	contained	"-buffer\>"		contains=vimUserCmdAttrKey
+syn match	vimUserCmdAttr	contained	"-complete="		contains=vimUserCmdAttrKey nextgroup=vimUserCmdAttrCmplt,vimUserCmdError
+syn match	vimUserCmdAttr	contained	"-count\>"		contains=vimUserCmdAttrKey
+syn match	vimUserCmdAttr	contained	"-count="		contains=vimUserCmdAttrKey nextgroup=vimNumber
+syn match	vimUserCmdAttr	contained	"-keepscript\>"		contains=vimUserCmdAttrKey
+syn match	vimUserCmdAttr	contained	"-nargs="		contains=vimUserCmdAttrKey nextgroup=vimUserCmdAttrNargs
+syn match	vimUserCmdAttr	contained	"-range\>"		contains=vimUserCmdAttrKey
+syn match	vimUserCmdAttr	contained	"-range="		contains=vimUserCmdAttrKey nextgroup=vimNumber,vimUserCmdAttrRange
+syn match	vimUserCmdAttr	contained	"-register\>"		contains=vimUserCmdAttrKey
+
+syn match	vimUserCmdAttrNargs	contained	"[01*?+]"
+syn match	vimUserCmdAttrRange	contained	"%"
+
 if !exists("g:vimsyn_noerror") && !exists("g:vimsyn_nousercmderror")
  syn match	vimUserCmdError	contained	"\S\+\>"
 endif
-syn case ignore
-syn keyword	vimUserAttrbKey   contained	bar	ban[g]	cou[nt]	ra[nge] com[plete]	n[args]	re[gister]
-" GEN_SYN_VIM: vimUserAttrbCmplt, START_STR='syn keyword vimUserAttrbCmplt contained', END_STR=''
-syn keyword vimUserAttrbCmplt contained arglist augroup behave breakpoint buffer color command compiler cscope diff_buffer dir dir_in_path environment event expression file file_in_path filetype function help highlight history keymap locale mapclear mapping menu messages option packadd runtime scriptnames shellcmd sign syntax syntime tag tag_listfiles user var
-syn keyword	vimUserAttrbCmplt contained	custom customlist nextgroup=vimUserAttrbCmpltFunc,vimUserCmdError
-syn match	vimUserAttrbCmpltFunc contained	",\%([sS]:\|<[sS][iI][dD]>\)\=\%(\h\w*\%([.#]\h\w*\)\+\|\h\w*\)"hs=s+1 nextgroup=vimUserCmdError
 
+syn case ignore
+syn keyword	vimUserCmdAttrKey   contained	a[ddr] ban[g] bar bu[ffer] com[plete] cou[nt] k[eepscript] n[args] ra[nge] re[gister]
+" GEN_SYN_VIM: vimUserCmdAttrCmplt, START_STR='syn keyword vimUserCmdAttrCmplt contained', END_STR=''
+syn keyword vimUserCmdAttrCmplt contained arglist augroup behave breakpoint buffer color command compiler cscope diff_buffer dir dir_in_path environment event expression file file_in_path filetype function help highlight history keymap locale mapclear mapping menu messages option packadd runtime scriptnames shellcmd sign syntax syntime tag tag_listfiles user var
+syn keyword	vimUserCmdAttrCmplt     contained	custom customlist nextgroup=vimUserCmdAttrCmpltFunc,vimUserCmdError
+syn match	vimUserCmdAttrCmpltFunc contained	",\%([sS]:\|<[sS][iI][dD]>\)\=\%(\h\w*\%([.#]\h\w*\)\+\|\h\w*\)"hs=s+1 nextgroup=vimUserCmdError
+" GEN_SYN_VIM: vimUserCmdAttrAddr, START_STR='syn keyword vimUserCmdAttrAddr contained', END_STR=''
+syn keyword vimUserCmdAttrAddr contained arguments arg buffers buf lines line loaded_buffers load other quickfix qf tabs tab windows win
+syn match	vimUserCmdAttrAddr	contained	"?"
 syn case match
-syn match	vimUserAttrbCmplt contained	"custom,\u\w*"
 
 syn region	vimUserCmdBlock	contained	matchgroup=vimSep start="{" end="}" contains=@vimDefBodyList
 
+syn match	vimDelcommand		"\<delc\%[ommand]\>" skipwhite nextgroup=vimDelcommandAttr
+syn match	vimDelcommandAttr	contained	"-buffer\>"
+
 " Lower Priority Comments: after some vim commands... {{{2
 " =======================
 if get(g:, "vimsyn_comment_strings", 1)
@@ -1207,6 +1220,8 @@
  hi def link vimDefComment	vim9Comment
  hi def link vimDefKey	vimCommand
  hi def link vimDefParam vimVar
+ hi def link vimDelcommand	vimCommand
+ hi def link vimDelcommandAttr	vimUserCmdAttr
  hi def link vimEcho	vimCommand
  hi def link vimEchohlNone	vimGroup
  hi def link vimEchohl	vimCommand
@@ -1364,13 +1379,15 @@
  hi def link vimUnlet	vimCommand
  hi def link vimUnletBang	vimBang
  hi def link vimUnmap	vimMap
- hi def link vimUserAttrbCmpltFunc	Special
- hi def link vimUserAttrbCmplt	vimSpecial
- hi def link vimUserAttrbKey	vimOption
- hi def link vimUserAttrb	vimSpecial
- hi def link vimUserAttrbError	Error
+ hi def link vimUserCmdAttrAddr	vimSpecial
+ hi def link vimUserCmdAttrCmplt	vimSpecial
+ hi def link vimUserCmdAttrNargs	vimSpecial
+ hi def link vimUserCmdAttrRange	vimSpecial
+ hi def link vimUserCmdAttrKey	vimUserCmdAttr
+ hi def link vimUserCmdAttr	Special
+ hi def link vimUserCmdAttrError	Error
  hi def link vimUserCmdError	Error
- hi def link vimUserCommand	vimCommand
+ hi def link vimUserCmdKey	vimCommand
  hi def link vimUserFunc	Normal
  hi def link vimVar	Identifier
  hi def link vimWarn	WarningMsg