diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index 83056060f6..092994c11d 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -2811,6 +2811,7 @@ exists({expr})	The result is a Number, which is non-zero if {expr} is
 		For checking for a supported feature use |has()|.
 
 		Examples: >
+			exists("&mouse")
 			exists("$HOSTNAME")
 			exists("*strftime")
 			exists("*s:MyFunc")
diff --git a/runtime/optwin.vim b/runtime/optwin.vim
index 40498f61b2..c1e59982cf 100644
--- a/runtime/optwin.vim
+++ b/runtime/optwin.vim
@@ -987,12 +987,6 @@ call append("$", "patchmode\tkeep oldest version of a file; specifies file name
 call <SID>OptionG("pm", &pm)
 call append("$", "fsync\tforcibly sync the file to disk after writing it")
 call <SID>BinOptionG("fs", &fs)
-if !has("msdos")
-  call append("$", "shortname\tuse 8.3 file names")
-  call append("$", "\t(local to buffer)")
-  call <SID>BinOptionL("sn")
-endif
-call <SID>OptionL("cm")
 
 
 call <SID>Header("the swap file")
diff --git a/runtime/syntax/vim.vim b/runtime/syntax/vim.vim
index 2c2db44333..8beb64d045 100644
--- a/runtime/syntax/vim.vim
+++ b/runtime/syntax/vim.vim
@@ -27,22 +27,22 @@ syn match   vimCommand contained	"\<z[-+^.=]\="
 syn keyword vimStdPlugin contained	DiffOrig Man N[ext] P[rint] S TOhtml XMLent XMLns 
 
 " vimOptions are caught only when contained in a vimSet {{{2
-syn keyword vimOption contained	acd ambiwidth arabicshape autowriteall backupdir bdlay binary breakat bufhidden cd ci cinw co commentstring confirm cpoptions cscoperelative csre cursorcolumn delcombine diffopt ea efm ep et fdc fdo ffs filetype fo foldlevelstart formatexpr ft gfw gtt guipty hh hkmap ic imaf iminsert includeexpr inf isident key langmap lines lmap ma matchtime mco ml modeline mousefocus mousetime nrformats ofu para pdev pi previewwindow printmbfont qe relativenumber rightleftcmd ru sbr scrolloff selection shellcmdflag shellxescape showbreak si smartcase softtabstop spelllang sps sta su swb synmaxcol tagbsearch tbi termencoding thesaurus titlestring tpm ttm ttytype undodir ut vfile vop wcm whichwrap wildignore winaltkeys winminwidth wmnu write
+syn keyword vimOption contained	acd ambiwidth arabicshape autowriteall backupdir bdlay binary breakat bufhidden cd ci cinw co commentstring confirm cpoptions cscoperelative csre cursorcolumn delcombine diffopt ea efm ep et fdc fdo ffs filetype fo foldlevelstart formatexpr ft gfw gtt guipty hh hkmap ic imaf iminsert includeexpr inf isident langmap lines lmap ma matchtime mco ml modeline mousefocus mousetime nrformats ofu para pdev pi previewwindow printmbfont qe relativenumber rightleftcmd ru sbr scrolloff selection shellcmdflag shellxescape showbreak si smartcase softtabstop spelllang sps sta su swb synmaxcol tagbsearch tbi termencoding thesaurus titlestring tpm ttm ttytype undodir ut vfile vop wcm whichwrap wildignore winaltkeys winminwidth wmnu write
 syn keyword vimOption contained	ai ambw ari aw backupext beval brk buflisted cdpath cin cinwords cocu compatible cpt cscopetag cst cursorline dex digraph ead ei equalalways eventignore fde fdt fic fillchars foldclose foldmarker formatlistpat gcr ghr guicursor guitablabel hi hkmapp icon imak ims incsearch infercase isk keymap langmenu linespace loadplugins macatsui maxcombine mef mls modelines mousehide mp nu omnifunc paragraphs penc pm printdevice printoptions quoteescape remap rl ruf sc scrollopt selectmode shellpipe shellxquote showcmd sidescroll smartindent sol spellsuggest sr stal sua swf syntax taglength tbidi terse tildeop tl tr tty tw undofile vb vi wa wd wi wildignorecase window winwidth wmw writeany
 syn keyword vimOption contained	akm anti arshape awa backupskip bex browsedir buftype cedit cindent clipboard cole complete crb cscopetagorder csto cwh dg dip eadirection ek equalprg ex fdi fen fileencoding fk foldcolumn foldmethod formatoptions gd go guifont guitabtooltip hid hkp iconstring imc imsearch inde insertmode iskeyword keymodel laststatus lisp lpl magic maxfuncdepth menuitems mm modifiable mousem mps number opendevice paste pex pmbcs printencoding prompt rdt report rlc ruler scb scs sessionoptions shellquote shiftround showfulltag sidescrolloff smarttab sp spf srr startofline suffixes switchbuf ta tagrelative tbis textauto timeout tm ts ttybuiltin tx undolevels vbs viewdir wak weirdinvert wic wildmenu winfixheight wiv wop writebackup
 syn keyword vimOption contained	al antialias autochdir background balloondelay bexpr bk bs casemap cf cink cmdheight colorcolumn completefunc copyindent cscopeverbose csverb debug dict dir eb enc errorbells expandtab fdl fenc fileencodings fkmap foldenable foldminlines formatprg gdefault gp guifontset helpfile hidden hl ignorecase imcmdline imsf indentexpr is isp keywordprg lazyredraw lispwords ls makeef maxmapdepth mfd mmd modified mousemodel msm numberwidth operatorfunc pastetoggle pexpr pmbfn printexpr pt re restorescreen rnu rulerformat scr sect sft shellredir shiftwidth showmatch siso smc spc spl ss statusline suffixesadd sws tabline tags tbs textmode timeoutlen to tsl ttyfast uc undoreload vdir viewoptions warn wfh wig wildmode winfixwidth wiw wrap writedelay
 syn keyword vimOption contained	aleph ar autoindent backspace ballooneval bg bkc bsdir cb cfu cinkeys cmdwinheight columns completeopt cot cscopepathcomp cspc cuc deco dictionary directory ed encoding errorfile exrc fdls fencs fileformat flp foldexpr foldnestmax fp gfm grepformat guifontwide helpheight highlight hlg im imd imstatusfunc indentkeys isf isprint km lbr list lsp makeprg maxmem mh mmp more mouses mzq nuw opfunc patchexpr pfn popt printfont pumheight readonly revins ro runtimepath scroll sections sh shellslash shm showmode sj smd spell splitbelow ssl stl sw sxe tabpagemax tagstack tenc textwidth title toolbar tsr ttym udf updatecount ve viminfo wb wfw wildchar wildoptions winheight wm wrapmargin ws
-syn keyword vimOption contained	allowrevins arab autoread backup balloonexpr bh bl bsk cc ch cino cmp com concealcursor cp cscopeprg csprg cul def diff display edcompatible endofline errorformat fcl fdm fex fileformats fml foldignore foldopen fs gfn grepprg guiheadroom helplang history hls imactivatefunc imdisable inc indk isfname joinspaces kmp lcs listchars lw mat maxmempattern mis mmt mouse mouseshape mzquantum odev osfiletype patchmode ph preserveindent printheader pvh redrawtime ri rs sb scrollbind secure shcf shelltemp shortmess showtabline slm sn spellcapcheck splitright ssop stmp swapfile sxq tabstop tal term tf titlelen toolbariconsize ttimeout ttymouse udir updatetime verbose virtualedit wc wh wildcharm wim winminheight wmh wrapscan ww
-syn keyword vimOption contained	altkeymap arabic autowrite backupcopy bdir bin bomb bt ccv charconvert cinoptions cms comments conceallevel cpo cscopequickfix csqf cursorbind define diffexpr dy ef eol esckeys fcs fdn ff fileignorecase fmr foldlevel foldtext fsync gfs gtl guioptions hf hk hlsearch imactivatekey imi include inex isi js kp linebreak lm lz matchpairs maxmemtot mkspellmem mod mousef mouset nf oft pa path pheader previewheight printmbcharset pvw regexpengine rightleft rtp sbo scrolljump sel shell shortname shq sm so spellfile spr st sts swapsync syn tag tb termbidi tgst titleold top ttimeoutlen ttyscroll ul ur unnamedclip unc verbosefile visualbell 
+syn keyword vimOption contained	allowrevins arab autoread backup balloonexpr bh bl bsk cc ch cino cmp com concealcursor cp cscopeprg csprg cul def diff display edcompatible endofline errorformat fcl fdm fex fileformats fml foldignore foldopen fs gfn grepprg guiheadroom helplang history hls imactivatefunc imdisable inc indk isfname joinspaces kmp lcs listchars lw mat maxmempattern mis mmt mouse mouseshape mzquantum odev osfiletype patchmode ph preserveindent printheader pvh redrawtime ri rs sb scrollbind secure shcf shelltemp shortmess showtabline slm spellcapcheck splitright ssop stmp swapfile sxq tabstop tal term tf titlelen toolbariconsize ttimeout ttymouse udir updatetime verbose virtualedit wc wh wildcharm wim winminheight wmh wrapscan ww
+syn keyword vimOption contained	altkeymap arabic autowrite backupcopy bdir bin bomb bt ccv charconvert cinoptions cms comments conceallevel cpo cscopequickfix csqf cursorbind define diffexpr dy ef eol esckeys fcs fdn ff fileignorecase fmr foldlevel foldtext fsync gfs gtl guioptions hf hk hlsearch imactivatekey imi include inex isi js kp linebreak lm lz matchpairs maxmemtot mkspellmem mod mousef mouset nf oft pa path pheader previewheight printmbcharset pvw regexpengine rightleft rtp sbo scrolljump sel shell shq sm so spellfile spr st sts swapsync syn tag tb termbidi tgst titleold top ttimeoutlen ttyscroll ul ur unnamedclip unc verbosefile visualbell 
 
 " vimOptions: These are the turn-off setting variants {{{2
-syn keyword vimOption contained	noacd noallowrevins noantialias noarabic noarshape noautoread noaw noballooneval nobinary nobk nobuflisted nocin noconfirm nocopyindent nocscoperelative nocsre nocuc nocursorcolumn nodelcombine nodigraph noed noendofline noerrorbells noex nofen nofk nogd nohid nohkmap nohkp nohlsearch noicon noim noimcmdline noimdisable noinf noinsertmode nojoinspaces nolazyredraw nolinebreak nolist nolpl noma nomagic noml nomodeline nomodified nomousef nomousehide nonumber noopendevice nopi nopreviewwindow nopvw norelativenumber norestorescreen nori norl noro noru nosb noscb noscs nosft noshelltemp noshortname noshowfulltag noshowmode nosm nosmartindent nosmd nosol nosplitbelow nospr nossl nostartofline noswapfile nota notagrelative notbi notbs noterse notextmode notgst notimeout noto notr nottybuiltin notx noundofile novisualbell nowarn noweirdinvert nowfw nowildignorecase nowinfixheight nowiv nowrap nowrite nowritebackup
-syn keyword vimOption contained	noai noaltkeymap noar noarabicshape noautochdir noautowrite noawa nobeval nobl nocf nocindent nocp nocscopetag nocst nocul nocursorline nodg noea noedcompatible noeol noesckeys noexpandtab nofic nofkmap nogdefault nohidden nohkmapp nohls noic noignorecase noimc noimd noincsearch noinfercase nois nojs nolbr nolisp noloadplugins nolz nomacatsui nomh nomod nomodifiable nomore nomousefocus nonu noodev nopaste nopreserveindent noprompt noreadonly noremap norevins norightleft nornu nors noruler nosc noscrollbind nosecure noshellslash noshiftround noshowcmd noshowmatch nosi nosmartcase nosmarttab nosn nospell nosplitright nosr nosta nostmp noswf notagbsearch notagstack notbidi notermbidi notextauto notf notildeop notitle notop nottimeout nottyfast noudf novb nowa nowb nowfh nowic nowildmenu nowinfixwidth nowmnu nowrapscan nowriteany nows
+syn keyword vimOption contained	noacd noallowrevins noantialias noarabic noarshape noautoread noaw noballooneval nobinary nobk nobuflisted nocin noconfirm nocopyindent nocscoperelative nocsre nocuc nocursorcolumn nodelcombine nodigraph noed noendofline noerrorbells noex nofen nofk nogd nohid nohkmap nohkp nohlsearch noicon noim noimcmdline noimdisable noinf noinsertmode nojoinspaces nolazyredraw nolinebreak nolist nolpl noma nomagic noml nomodeline nomodified nomousef nomousehide nonumber noopendevice nopi nopreviewwindow nopvw norelativenumber norestorescreen nori norl noro noru nosb noscb noscs nosft noshelltemp noshowfulltag noshowmode nosm nosmartindent nosmd nosol nosplitbelow nospr nossl nostartofline noswapfile nota notagrelative notbi notbs noterse notextmode notgst notimeout noto notr nottybuiltin notx noundofile novisualbell nowarn noweirdinvert nowfw nowildignorecase nowinfixheight nowiv nowrap nowrite nowritebackup
+syn keyword vimOption contained	noai noaltkeymap noar noarabicshape noautochdir noautowrite noawa nobeval nobl nocf nocindent nocp nocscopetag nocst nocul nocursorline nodg noea noedcompatible noeol noesckeys noexpandtab nofic nofkmap nogdefault nohidden nohkmapp nohls noic noignorecase noimc noimd noincsearch noinfercase nois nojs nolbr nolisp noloadplugins nolz nomacatsui nomh nomod nomodifiable nomore nomousefocus nonu noodev nopaste nopreserveindent noprompt noreadonly noremap norevins norightleft nornu nors noruler nosc noscrollbind nosecure noshellslash noshiftround noshowcmd noshowmatch nosi nosmartcase nosmarttab nospell nosplitright nosr nosta nostmp noswf notagbsearch notagstack notbidi notermbidi notextauto notf notildeop notitle notop nottimeout nottyfast noudf novb nowa nowb nowfh nowic nowildmenu nowinfixwidth nowmnu nowrapscan nowriteany nows
 syn keyword vimOption contained	noakm noanti noarab noari noautoindent noautowriteall nobackup nobin nobomb noci nocompatible nocrb nocscopeverbose nocsverb nocursorbind nodeco nodiff noeb noek noequalalways noet noexrc nofileignorecase nofoldenable noguipty nohk 
 
 " vimOptions: These are the invertible variants {{{2
-syn keyword vimOption contained	invacd invallowrevins invantialias invarabic invarshape invautoread invaw invballooneval invbinary invbk invbuflisted invcin invconfirm invcopyindent invcscoperelative invcsre invcuc invcursorcolumn invdelcombine invdigraph inved invendofline inverrorbells invex invfen invfk invgd invhid invhkmap invhkp invhlsearch invicon invim invimcmdline invimdisable invinf invinsertmode invjoinspaces invlazyredraw invlinebreak invlist invlpl invma invmagic invml invmodeline invmodified invmousef invmousehide invnumber invopendevice invpi invpreviewwindow invpvw invrelativenumber invrestorescreen invri invrl invro invru invsb invscb invscs invsft invshelltemp invshortname invshowfulltag invshowmode invsm invsmartindent invsmd invsol invsplitbelow invspr invssl invstartofline invswapfile invta invtagrelative invtbi invtbs invterse invtextmode invtgst invtimeout invto invtr invttybuiltin invtx invundofile invvisualbell invwarn invweirdinvert invwfw invwildignorecase invwinfixheight invwiv invwrap invwrite invwritebackup
-syn keyword vimOption contained	invai invaltkeymap invar invarabicshape invautochdir invautowrite invawa invbeval invbl invcf invcindent invcp invcscopetag invcst invcul invcursorline invdg invea invedcompatible inveol invesckeys invexpandtab invfic invfkmap invgdefault invhidden invhkmapp invhls invic invignorecase invimc invimd invincsearch invinfercase invis invjs invlbr invlisp invloadplugins invlz invmacatsui invmh invmod invmodifiable invmore invmousefocus invnu invodev invpaste invpreserveindent invprompt invreadonly invremap invrevins invrightleft invrnu invrs invruler invsc invscrollbind invsecure invshellslash invshiftround invshowcmd invshowmatch invsi invsmartcase invsmarttab invsn invspell invsplitright invsr invsta invstmp invswf invtagbsearch invtagstack invtbidi invtermbidi invtextauto invtf invtildeop invtitle invtop invttimeout invttyfast invudf invvb invwa invwb invwfh invwic invwildmenu invwinfixwidth invwmnu invwrapscan invwriteany invws
+syn keyword vimOption contained	invacd invallowrevins invantialias invarabic invarshape invautoread invaw invballooneval invbinary invbk invbuflisted invcin invconfirm invcopyindent invcscoperelative invcsre invcuc invcursorcolumn invdelcombine invdigraph inved invendofline inverrorbells invex invfen invfk invgd invhid invhkmap invhkp invhlsearch invicon invim invimcmdline invimdisable invinf invinsertmode invjoinspaces invlazyredraw invlinebreak invlist invlpl invma invmagic invml invmodeline invmodified invmousef invmousehide invnumber invopendevice invpi invpreviewwindow invpvw invrelativenumber invrestorescreen invri invrl invro invru invsb invscb invscs invsft invshelltemp invshowfulltag invshowmode invsm invsmartindent invsmd invsol invsplitbelow invspr invssl invstartofline invswapfile invta invtagrelative invtbi invtbs invterse invtextmode invtgst invtimeout invto invtr invttybuiltin invtx invundofile invvisualbell invwarn invweirdinvert invwfw invwildignorecase invwinfixheight invwiv invwrap invwrite invwritebackup
+syn keyword vimOption contained	invai invaltkeymap invar invarabicshape invautochdir invautowrite invawa invbeval invbl invcf invcindent invcp invcscopetag invcst invcul invcursorline invdg invea invedcompatible inveol invesckeys invexpandtab invfic invfkmap invgdefault invhidden invhkmapp invhls invic invignorecase invimc invimd invincsearch invinfercase invis invjs invlbr invlisp invloadplugins invlz invmacatsui invmh invmod invmodifiable invmore invmousefocus invnu invodev invpaste invpreserveindent invprompt invreadonly invremap invrevins invrightleft invrnu invrs invruler invsc invscrollbind invsecure invshellslash invshiftround invshowcmd invshowmatch invsi invsmartcase invsmarttab invspell invsplitright invsr invsta invstmp invswf invtagbsearch invtagstack invtbidi invtermbidi invtextauto invtf invtildeop invtitle invtop invttimeout invttyfast invudf invvb invwa invwb invwfh invwic invwildmenu invwinfixwidth invwmnu invwrapscan invwriteany invws
 syn keyword vimOption contained	invakm invanti invarab invari invautoindent invautowriteall invbackup invbin invbomb invci invcompatible invcrb invcscopeverbose invcsverb invcursorbind invdeco invdiff inveb invek invequalalways invet invexrc invfileignorecase invfoldenable invguipty invhk 
 
 " termcap codes (which can also be set) {{{2