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    1 " These commands create the option window.
    2 "
    3 " Maintainer:   Bram Moolenaar <Bram@vim.org>
    4 " Last Change:  2020 Jun 10
    5 
    6 " If there already is an option window, jump to that one.
    7 let buf = bufnr('option-window')
    8 if buf >= 0
    9   let winids = win_findbuf(buf)
   10   if len(winids) > 0
   11     if win_gotoid(winids[0]) == 1
   12       finish
   13     endif
   14   endif
   15 endif
   16 
   17 " Make sure the '<' flag is not included in 'cpoptions', otherwise <CR> would
   18 " not be recognized.  See ":help 'cpoptions'".
   19 let s:cpo_save = &cpo
   20 set cpo&vim
   21 
   22 " function to be called when <CR> is hit in the option-window
   23 fun! <SID>CR()
   24 
   25   " If on a continued comment line, go back to the first comment line
   26   let lnum = search("^[^\t]", 'bWcn')
   27   let line = getline(lnum)
   28 
   29   " <CR> on a "set" line executes the option line
   30   if match(line, "^ \tset ") >= 0
   31 
   32     " For a local option: go to the previous window
   33     " If this is a help window, go to the window below it
   34     let thiswin = winnr()
   35     let local = <SID>Find(lnum)
   36     if local >= 0
   37       exe line
   38       call <SID>Update(lnum, line, local, thiswin)
   39     endif
   40 
   41   " <CR> on a "option" line shows help for that option
   42   elseif match(line, "^[a-z]") >= 0
   43     let name = substitute(line, '\([^\t]*\).*', '\1', "")
   44     exe "help '" . name . "'"
   45 
   46   " <CR> on an index line jumps to the group
   47   elseif match(line, '^ \=[0-9]') >= 0
   48     exe "norm! /" . line . "\<CR>zt"
   49   endif
   50 endfun
   51 
   52 " function to be called when <Space> is hit in the option-window
   53 fun! <SID>Space()
   54 
   55   let lnum = line(".")
   56   let line = getline(lnum)
   57 
   58   " <Space> on a "set" line refreshes the option line
   59   if match(line, "^ \tset ") >= 0
   60 
   61     " For a local option: go to the previous window
   62     " If this is a help window, go to the window below it
   63     let thiswin = winnr()
   64     let local = <SID>Find(lnum)
   65     if local >= 0
   66       call <SID>Update(lnum, line, local, thiswin)
   67     endif
   68 
   69   endif
   70 endfun
   71 
   72 " find the window in which the option applies
   73 " returns 0 for global option, 1 for local option, -1 for error
   74 fun! <SID>Find(lnum)
   75     if getline(a:lnum - 1) =~ "(local to"
   76       let local = 1
   77       let thiswin = winnr()
   78       wincmd p
   79       if exists("b:current_syntax") && b:current_syntax == "help"
   80     wincmd j
   81     if winnr() == thiswin
   82       wincmd j
   83     endif
   84       endif
   85     else
   86       let local = 0
   87     endif
   88     if local && (winnr() == thiswin || (exists("b:current_syntax")
   89     \ && b:current_syntax == "help"))
   90       echo "Don't know in which window"
   91       let local = -1
   92     endif
   93     return local
   94 endfun
   95 
   96 " Update a "set" line in the option window
   97 fun! <SID>Update(lnum, line, local, thiswin)
   98   " get the new value of the option and update the option window line
   99   if match(a:line, "=") >= 0
  100     let name = substitute(a:line, '^ \tset \([^=]*\)=.*', '\1', "")
  101   else
  102     let name = substitute(a:line, '^ \tset \(no\)\=\([a-z]*\).*', '\2', "")
  103   endif
  104   if name == "pt" && &pt =~ "\x80"
  105     let val = <SID>PTvalue()
  106   else
  107     let val = escape(eval('&' . name), " \t\\\"|")
  108   endif
  109   if a:local
  110     exe a:thiswin . "wincmd w"
  111   endif
  112   if match(a:line, "=") >= 0 || (val != "0" && val != "1")
  113     call setline(a:lnum, " \tset " . name . "=" . val)
  114   else
  115     if val
  116       call setline(a:lnum, " \tset " . name . "\tno" . name)
  117     else
  118       call setline(a:lnum, " \tset no" . name . "\t" . name)
  119     endif
  120   endif
  121   set nomodified
  122 endfun
  123 
  124 " Reset 'title' and 'icon' to make it work faster.
  125 " Reset 'undolevels' to avoid undo'ing until the buffer is empty.
  126 let s:old_title = &title
  127 let s:old_icon = &icon
  128 let s:old_sc = &sc
  129 let s:old_ru = &ru
  130 let s:old_ul = &ul
  131 set notitle noicon nosc noru ul=-1
  132 
  133 " If the current window is a help window, try finding a non-help window.
  134 " Relies on syntax highlighting to be switched on.
  135 let s:thiswin = winnr()
  136 while exists("b:current_syntax") && b:current_syntax == "help"
  137   wincmd w
  138   if s:thiswin == winnr()
  139     break
  140   endif
  141 endwhile
  142 
  143 " Open the window.  $OPTWIN_CMD is set to "tab" for ":tab options".
  144 exe $OPTWIN_CMD . ' new option-window'
  145 setlocal ts=15 tw=0 noro buftype=nofile
  146 
  147 " Insert help and a "set" command for each option.
  148 call append(0, '" Each "set" line shows the current value of an option (on the left).')
  149 call append(1, '" Hit <CR> on a "set" line to execute it.')
  150 call append(2, '"            A boolean option will be toggled.')
  151 call append(3, '"            For other options you can edit the value before hitting <CR>.')
  152 call append(4, '" Hit <CR> on a help line to open a help window on this option.')
  153 call append(5, '" Hit <CR> on an index line to jump there.')
  154 call append(6, '" Hit <Space> on a "set" line to refresh it.')
  155 
  156 " These functions are called often below.  Keep them fast!
  157 
  158 " Init a local binary option
  159 fun! <SID>BinOptionL(name)
  160   let val = getwinvar(winnr('#'), '&' . a:name)
  161   call append("$", substitute(substitute(" \tset " . val . a:name . "\t" .
  162     \!val . a:name, "0", "no", ""), "1", "", ""))
  163 endfun
  164 
  165 " Init a global binary option
  166 fun! <SID>BinOptionG(name, val)
  167   call append("$", substitute(substitute(" \tset " . a:val . a:name . "\t" .
  168     \!a:val . a:name, "0", "no", ""), "1", "", ""))
  169 endfun
  170 
  171 " Init a local string option
  172 fun! <SID>OptionL(name)
  173   let val = escape(getwinvar(winnr('#'), '&' . a:name), " \t\\\"|")
  174   call append("$", " \tset " . a:name . "=" . val)
  175 endfun
  176 
  177 " Init a global string option
  178 fun! <SID>OptionG(name, val)
  179   call append("$", " \tset " . a:name . "=" . escape(a:val, " \t\\\"|"))
  180 endfun
  181 
  182 let s:idx = 1
  183 let s:lnum = line("$")
  184 call append("$", "")
  185 
  186 fun! <SID>Header(text)
  187   let line = s:idx . " " . a:text
  188   if s:idx < 10
  189     let line = " " . line
  190   endif
  191   call append("$", "")
  192   call append("$", line)
  193   call append("$", "")
  194   call append(s:lnum, line)
  195   let s:idx = s:idx + 1
  196   let s:lnum = s:lnum + 1
  197 endfun
  198 
  199 " Get the value of 'pastetoggle'.  It could be a special key.
  200 fun! <SID>PTvalue()
  201   redir @a
  202   silent set pt
  203   redir END
  204   return substitute(@a, '[^=]*=\(.*\)', '\1', "")
  205 endfun
  206 
  207 " Restore the previous value of 'cpoptions' here, it's used below.
  208 let &cpo = s:cpo_save
  209 
  210 " List of all options, organized by function.
  211 " The text should be sufficient to know what the option is used for.
  212 
  213 call <SID>Header("important")
  214 call append("$", "compatible\tbehave very Vi compatible (not advisable)")
  215 call <SID>BinOptionG("cp", &cp)
  216 call append("$", "cpoptions\tlist of flags to specify Vi compatibility")
  217 call <SID>OptionG("cpo", &cpo)
  218 call append("$", "insertmode\tuse Insert mode as the default mode")
  219 call <SID>BinOptionG("im", &im)
  220 call append("$", "paste\tpaste mode, insert typed text literally")
  221 call <SID>BinOptionG("paste", &paste)
  222 call append("$", "pastetoggle\tkey sequence to toggle paste mode")
  223 if &pt =~ "\x80"
  224   call append("$", " \tset pt=" . <SID>PTvalue())
  225 else
  226   call <SID>OptionG("pt", &pt)
  227 endif
  228 call append("$", "runtimepath\tlist of directories used for runtime files and plugins")
  229 call <SID>OptionG("rtp", &rtp)
  230 call append("$", "packpath\tlist of directories used for plugin packages")
  231 call <SID>OptionG("pp", &pp)
  232 call append("$", "helpfile\tname of the main help file")
  233 call <SID>OptionG("hf", &hf)
  234 
  235 
  236 call <SID>Header("moving around, searching and patterns")
  237 call append("$", "whichwrap\tlist of flags specifying which commands wrap to another line")
  238 call append("$", "\t(local to window)")
  239 call <SID>OptionL("ww")
  240 call append("$", "startofline\tmany jump commands move the cursor to the first non-blank")
  241 call append("$", "\tcharacter of a line")
  242 call <SID>BinOptionG("sol", &sol)
  243 call append("$", "paragraphs\tnroff macro names that separate paragraphs")
  244 call <SID>OptionG("para", &para)
  245 call append("$", "sections\tnroff macro names that separate sections")
  246 call <SID>OptionG("sect", &sect)
  247 call append("$", "path\tlist of directory names used for file searching")
  248 call append("$", "\t(global or local to buffer)")
  249 call <SID>OptionG("pa", &pa)
  250 call append("$", "cdpath\tlist of directory names used for :cd")
  251 call <SID>OptionG("cd", &cd)
  252 if exists("+autochdir")
  253   call append("$", "autochdir\tchange to directory of file in buffer")
  254   call <SID>BinOptionG("acd", &acd)
  255 endif
  256 call append("$", "wrapscan\tsearch commands wrap around the end of the buffer")
  257 call <SID>BinOptionG("ws", &ws)
  258 call append("$", "incsearch\tshow match for partly typed search command")
  259 call <SID>BinOptionG("is", &is)
  260 call append("$", "magic\tchange the way backslashes are used in search patterns")
  261 call <SID>BinOptionG("magic", &magic)
  262 call append("$", "regexpengine\tselect the default regexp engine used")
  263 call <SID>OptionG("re", &re)
  264 call append("$", "ignorecase\tignore case when using a search pattern")
  265 call <SID>BinOptionG("ic", &ic)
  266 call append("$", "smartcase\toverride 'ignorecase' when pattern has upper case characters")
  267 call <SID>BinOptionG("scs", &scs)
  268 call append("$", "casemap\twhat method to use for changing case of letters")
  269 call <SID>OptionG("cmp", &cmp)
  270 call append("$", "maxmempattern\tmaximum amount of memory in Kbyte used for pattern matching")
  271 call append("$", " \tset mmp=" . &mmp)
  272 call append("$", "define\tpattern for a macro definition line")
  273 call append("$", "\t(global or local to buffer)")
  274 call <SID>OptionG("def", &def)
  275 if has("find_in_path")
  276   call append("$", "include\tpattern for an include-file line")
  277   call append("$", "\t(local to buffer)")
  278   call <SID>OptionL("inc")
  279   call append("$", "includeexpr\texpression used to transform an include line to a file name")
  280   call append("$", "\t(local to buffer)")
  281   call <SID>OptionL("inex")
  282 endif
  283 
  284 
  285 call <SID>Header("tags")
  286 call append("$", "tagbsearch\tuse binary searching in tags files")
  287 call <SID>BinOptionG("tbs", &tbs)
  288 call append("$", "taglength\tnumber of significant characters in a tag name or zero")
  289 call append("$", " \tset tl=" . &tl)
  290 call append("$", "tags\tlist of file names to search for tags")
  291 call append("$", "\t(global or local to buffer)")
  292 call <SID>OptionG("tag", &tag)
  293 call append("$", "tagcase\thow to handle case when searching in tags files:")
  294 call append("$", "\t\"followic\" to follow 'ignorecase', \"ignore\" or \"match\"")
  295 call append("$", "\t(global or local to buffer)")
  296 call <SID>OptionG("tc", &tc)
  297 call append("$", "tagrelative\tfile names in a tags file are relative to the tags file")
  298 call <SID>BinOptionG("tr", &tr)
  299 call append("$", "tagstack\ta :tag command will use the tagstack")
  300 call <SID>BinOptionG("tgst", &tgst)
  301 call append("$", "showfulltag\twhen completing tags in Insert mode show more info")
  302 call <SID>BinOptionG("sft", &sft)
  303 if has("eval")
  304   call append("$", "tagfunc\ta function to be used to perform tag searches")
  305   call append("$", "\t(local to buffer)")
  306   call <SID>OptionL("tfu")
  307 endif
  308 if has("cscope")
  309   call append("$", "cscopeprg\tcommand for executing cscope")
  310   call <SID>OptionG("csprg", &csprg)
  311   call append("$", "cscopetag\tuse cscope for tag commands")
  312   call <SID>BinOptionG("cst", &cst)
  313   call append("$", "cscopetagorder\t0 or 1; the order in which \":cstag\" performs a search")
  314   call append("$", " \tset csto=" . &csto)
  315   call append("$", "cscopeverbose\tgive messages when adding a cscope database")
  316   call <SID>BinOptionG("csverb", &csverb)
  317   call append("$", "cscopepathcomp\thow many components of the path to show")
  318   call append("$", " \tset cspc=" . &cspc)
  319   call append("$", "cscopequickfix\twhen to open a quickfix window for cscope")
  320   call <SID>OptionG("csqf", &csqf)
  321   call append("$", "cscoperelative\tfile names in a cscope file are relative to that file")
  322   call <SID>BinOptionG("csre", &csre)
  323 endif
  324 
  325 
  326 call <SID>Header("displaying text")
  327 call append("$", "scroll\tnumber of lines to scroll for CTRL-U and CTRL-D")
  328 call append("$", "\t(local to window)")
  329 call <SID>OptionL("scr")
  330 call append("$", "scrolloff\tnumber of screen lines to show around the cursor")
  331 call append("$", " \tset so=" . &so)
  332 call append("$", "wrap\tlong lines wrap")
  333 call append("$", "\t(local to window)")
  334 call <SID>BinOptionL("wrap")
  335 call append("$", "linebreak\twrap long lines at a character in 'breakat'")
  336 call append("$", "\t(local to window)")
  337 call <SID>BinOptionL("lbr")
  338 call append("$", "breakindent\tpreserve indentation in wrapped text")
  339 call append("$", "\t(local to window)")
  340 call <SID>BinOptionL("bri")
  341 call append("$", "breakindentopt\tadjust breakindent behaviour")
  342 call append("$", "\t(local to window)")
  343 call <SID>OptionL("briopt")
  344 call append("$", "breakat\twhich characters might cause a line break")
  345 call <SID>OptionG("brk", &brk)
  346 call append("$", "showbreak\tstring to put before wrapped screen lines")
  347 call <SID>OptionG("sbr", &sbr)
  348 call append("$", "sidescroll\tminimal number of columns to scroll horizontally")
  349 call append("$", " \tset ss=" . &ss)
  350 call append("$", "sidescrolloff\tminimal number of columns to keep left and right of the cursor")
  351 call append("$", " \tset siso=" . &siso)
  352 call append("$", "display\tinclude \"lastline\" to show the last line even if it doesn't fit")
  353 call append("$", "\tinclude \"uhex\" to show unprintable characters as a hex number")
  354 call <SID>OptionG("dy", &dy)
  355 call append("$", "fillchars\tcharacters to use for the status line, folds and filler lines")
  356 call <SID>OptionG("fcs", &fcs)
  357 call append("$", "cmdheight\tnumber of lines used for the command-line")
  358 call append("$", " \tset ch=" . &ch)
  359 call append("$", "columns\twidth of the display")
  360 call append("$", " \tset co=" . &co)
  361 call append("$", "lines\tnumber of lines in the display")
  362 call append("$", " \tset lines=" . &lines)
  363 call append("$", "window\tnumber of lines to scroll for CTRL-F and CTRL-B")
  364 call append("$", " \tset window=" . &window)
  365 call append("$", "lazyredraw\tdon't redraw while executing macros")
  366 call <SID>BinOptionG("lz", &lz)
  367 if has("reltime")
  368   call append("$", "redrawtime\ttimeout for 'hlsearch' and :match highlighting in msec")
  369   call append("$", " \tset rdt=" . &rdt)
  370 endif
  371 call append("$", "writedelay\tdelay in msec for each char written to the display")
  372 call append("$", "\t(for debugging)")
  373 call append("$", " \tset wd=" . &wd)
  374 call append("$", "list\tshow <Tab> as ^I and end-of-line as $")
  375 call append("$", "\t(local to window)")
  376 call <SID>BinOptionL("list")
  377 call append("$", "listchars\tlist of strings used for list mode")
  378 call <SID>OptionG("lcs", &lcs)
  379 call append("$", "number\tshow the line number for each line")
  380 call append("$", "\t(local to window)")
  381 call <SID>BinOptionL("nu")
  382 call append("$", "relativenumber\tshow the relative line number for each line")
  383 call append("$", "\t(local to window)")
  384 call <SID>BinOptionL("rnu")
  385 if has("linebreak")
  386   call append("$", "numberwidth\tnumber of columns to use for the line number")
  387   call append("$", "\t(local to window)")
  388   call <SID>OptionL("nuw")
  389 endif
  390 if has("conceal")
  391   call append("$", "conceallevel\tcontrols whether concealable text is hidden")
  392   call append("$", "\t(local to window)")
  393   call <SID>OptionL("cole")
  394   call append("$", "concealcursor\tmodes in which text in the cursor line can be concealed")
  395   call append("$", "\t(local to window)")
  396   call <SID>OptionL("cocu")
  397 endif
  398 
  399 
  400 call <SID>Header("syntax, highlighting and spelling")
  401 call append("$", "background\t\"dark\" or \"light\"; the background color brightness")
  402 call <SID>OptionG("bg", &bg)
  403 call append("$", "filetype\ttype of file; triggers the FileType event when set")
  404 call append("$", "\t(local to buffer)")
  405 call <SID>OptionL("ft")
  406 if has("syntax")
  407   call append("$", "syntax\tname of syntax highlighting used")
  408   call append("$", "\t(local to buffer)")
  409   call <SID>OptionL("syn")
  410   call append("$", "synmaxcol\tmaximum column to look for syntax items")
  411   call append("$", "\t(local to buffer)")
  412   call <SID>OptionL("smc")
  413 endif
  414 call append("$", "highlight\twhich highlighting to use for various occasions")
  415 call <SID>OptionG("hl", &hl)
  416 call append("$", "hlsearch\thighlight all matches for the last used search pattern")
  417 call <SID>BinOptionG("hls", &hls)
  418 call append("$", "wincolor\thighlight group to use for the window")
  419 call append("$", "\t(local to window)")
  420 call <SID>OptionL("wcr")
  421 if has("termguicolors")
  422   call append("$", "termguicolors\tuse GUI colors for the terminal")
  423   call <SID>BinOptionG("tgc", &tgc)
  424 endif
  425 if has("syntax")
  426   call append("$", "cursorcolumn\thighlight the screen column of the cursor")
  427   call append("$", "\t(local to window)")
  428   call <SID>BinOptionL("cuc")
  429   call append("$", "cursorline\thighlight the screen line of the cursor")
  430   call append("$", "\t(local to window)")
  431   call <SID>BinOptionL("cul")
  432   call append("$", "cursorlineopt\tspecifies which area 'cursorline' highlights")
  433   call append("$", "\t(local to window)")
  434   call <SID>OptionL("culopt")
  435   call append("$", "colorcolumn\tcolumns to highlight")
  436   call append("$", "\t(local to window)")
  437   call <SID>OptionL("cc")
  438   call append("$", "spell\thighlight spelling mistakes")
  439   call append("$", "\t(local to window)")
  440   call <SID>BinOptionL("spell")
  441   call append("$", "spelllang\tlist of accepted languages")
  442   call append("$", "\t(local to buffer)")
  443   call <SID>OptionL("spl")
  444   call append("$", "spellfile\tfile that \"zg\" adds good words to")
  445   call append("$", "\t(local to buffer)")
  446   call <SID>OptionL("spf")
  447   call append("$", "spellcapcheck\tpattern to locate the end of a sentence")
  448   call append("$", "\t(local to buffer)")
  449   call <SID>OptionL("spc")
  450   call append("$", "spelloptions\tflags to change how spell checking works")
  451   call append("$", "\t(local to buffer)")
  452   call <SID>OptionL("spo")
  453   call append("$", "spellsuggest\tmethods used to suggest corrections")
  454   call <SID>OptionG("sps", &sps)
  455   call append("$", "mkspellmem\tamount of memory used by :mkspell before compressing")
  456   call <SID>OptionG("msm", &msm)
  457 endif
  458 
  459 
  460 call <SID>Header("multiple windows")
  461 call append("$", "laststatus\t0, 1 or 2; when to use a status line for the last window")
  462 call append("$", " \tset ls=" . &ls)
  463 if has("statusline")
  464   call append("$", "statusline\talternate format to be used for a status line")
  465   call <SID>OptionG("stl", &stl)
  466 endif
  467 call append("$", "equalalways\tmake all windows the same size when adding/removing windows")
  468 call <SID>BinOptionG("ea", &ea)
  469 call append("$", "eadirection\tin which direction 'equalalways' works: \"ver\", \"hor\" or \"both\"")
  470 call <SID>OptionG("ead", &ead)
  471 call append("$", "winheight\tminimal number of lines used for the current window")
  472 call append("$", " \tset wh=" . &wh)
  473 call append("$", "winminheight\tminimal number of lines used for any window")
  474 call append("$", " \tset wmh=" . &wmh)
  475 call append("$", "winfixheight\tkeep the height of the window")
  476 call append("$", "\t(local to window)")
  477 call <SID>BinOptionL("wfh")
  478 call append("$", "winfixwidth\tkeep the width of the window")
  479 call append("$", "\t(local to window)")
  480 call <SID>BinOptionL("wfw")
  481 call append("$", "winwidth\tminimal number of columns used for the current window")
  482 call append("$", " \tset wiw=" . &wiw)
  483 call append("$", "winminwidth\tminimal number of columns used for any window")
  484 call append("$", " \tset wmw=" . &wmw)
  485 call append("$", "helpheight\tinitial height of the help window")
  486 call append("$", " \tset hh=" . &hh)
  487 if has("quickfix")
  488   call append("$", "previewpopup\tuse a popup window for preview")
  489   call append("$", " \tset pvp=" . &pvp)
  490   call append("$", "previewheight\tdefault height for the preview window")
  491   call append("$", " \tset pvh=" . &pvh)
  492   call append("$", "previewwindow\tidentifies the preview window")
  493   call append("$", "\t(local to window)")
  494   call <SID>BinOptionL("pvw")
  495 endif
  496 call append("$", "hidden\tdon't unload a buffer when no longer shown in a window")
  497 call <SID>BinOptionG("hid", &hid)
  498 call append("$", "switchbuf\t\"useopen\" and/or \"split\"; which window to use when jumping")
  499 call append("$", "\tto a buffer")
  500 call <SID>OptionG("swb", &swb)
  501 call append("$", "splitbelow\ta new window is put below the current one")
  502 call <SID>BinOptionG("sb", &sb)
  503 call append("$", "splitright\ta new window is put right of the current one")
  504 call <SID>BinOptionG("spr", &spr)
  505 call append("$", "scrollbind\tthis window scrolls together with other bound windows")
  506 call append("$", "\t(local to window)")
  507 call <SID>BinOptionL("scb")
  508 call append("$", "scrollopt\t\"ver\", \"hor\" and/or \"jump\"; list of options for 'scrollbind'")
  509 call <SID>OptionG("sbo", &sbo)
  510 call append("$", "cursorbind\tthis window's cursor moves together with other bound windows")
  511 call append("$", "\t(local to window)")
  512 call <SID>BinOptionL("crb")
  513 if has("terminal")
  514   call append("$", "termwinsize\tsize of a terminal window")
  515   call append("$", "\t(local to window)")
  516   call <SID>OptionL("tws")
  517   call append("$", "termwinkey\tkey that precedes Vim commands in a terminal window")
  518   call append("$", "\t(local to window)")
  519   call <SID>OptionL("twk")
  520   call append("$", "termwinscroll\tmax number of lines to keep for scrollback in a terminal window")
  521   call append("$", "\t(local to window)")
  522   if has('win32')
  523     call append("$", "termwintype\ttype of pty to use for a terminal window")
  524     call <SID>OptionG("twt", &twt)
  525   endif
  526   call <SID>OptionL("twsl")
  527   if exists("&winptydll")
  528     call append("$", "winptydll\tname of the winpty dynamic library")
  529     call <SID>OptionG("winptydll", &winptydll)
  530   endif
  531 endif
  532 
  533 
  534 call <SID>Header("multiple tab pages")
  535 call append("$", "showtabline\t0, 1 or 2; when to use a tab pages line")
  536 call append("$", " \tset stal=" . &stal)
  537 call append("$", "tabpagemax\tmaximum number of tab pages to open for -p and \"tab all\"")
  538 call append("$", " \tset tpm=" . &tpm)
  539 call append("$", "tabline\tcustom tab pages line")
  540 call <SID>OptionG("tal", &tal)
  541 if has("gui")
  542   call append("$", "guitablabel\tcustom tab page label for the GUI")
  543   call <SID>OptionG("gtl", &gtl)
  544   call append("$", "guitabtooltip\tcustom tab page tooltip for the GUI")
  545   call <SID>OptionG("gtt", &gtt)
  546 endif
  547 
  548 
  549 call <SID>Header("terminal")
  550 call append("$", "term\tname of the used terminal")
  551 call <SID>OptionG("term", &term)
  552 call append("$", "ttytype\talias for 'term'")
  553 call <SID>OptionG("tty", &tty)
  554 call append("$", "ttybuiltin\tcheck built-in termcaps first")
  555 call <SID>BinOptionG("tbi", &tbi)
  556 call append("$", "ttyfast\tterminal connection is fast")
  557 call <SID>BinOptionG("tf", &tf)
  558 call append("$", "weirdinvert\tterminal that requires extra redrawing")
  559 call <SID>BinOptionG("wiv", &wiv)
  560 call append("$", "esckeys\trecognize keys that start with <Esc> in Insert mode")
  561 call <SID>BinOptionG("ek", &ek)
  562 call append("$", "scrolljump\tminimal number of lines to scroll at a time")
  563 call append("$", " \tset sj=" . &sj)
  564 call append("$", "ttyscroll\tmaximum number of lines to use scrolling instead of redrawing")
  565 call append("$", " \tset tsl=" . &tsl)
  566 if has("gui") || has("win32")
  567   call append("$", "guicursor\tspecifies what the cursor looks like in different modes")
  568   call <SID>OptionG("gcr", &gcr)
  569 endif
  570 if has("title")
  571   let &title = s:old_title
  572   call append("$", "title\tshow info in the window title")
  573   call <SID>BinOptionG("title", &title)
  574   set notitle
  575   call append("$", "titlelen\tpercentage of 'columns' used for the window title")
  576   call append("$", " \tset titlelen=" . &titlelen)
  577   call append("$", "titlestring\twhen not empty, string to be used for the window title")
  578   call <SID>OptionG("titlestring", &titlestring)
  579   call append("$", "titleold\tstring to restore the title to when exiting Vim")
  580   call <SID>OptionG("titleold", &titleold)
  581   let &icon = s:old_icon
  582   call append("$", "icon\tset the text of the icon for this window")
  583   call <SID>BinOptionG("icon", &icon)
  584   set noicon
  585   call append("$", "iconstring\twhen not empty, text for the icon of this window")
  586   call <SID>OptionG("iconstring", &iconstring)
  587 endif
  588 if has("win32")
  589   call append("$", "restorescreen\trestore the screen contents when exiting Vim")
  590   call <SID>BinOptionG("rs", &rs)
  591 endif
  592 
  593 
  594 call <SID>Header("using the mouse")
  595 call append("$", "mouse\tlist of flags for using the mouse")
  596 call <SID>OptionG("mouse", &mouse)
  597 if has("gui")
  598   call append("$", "mousefocus\tthe window with the mouse pointer becomes the current one")
  599   call <SID>BinOptionG("mousef", &mousef)
  600 endif
  601 call append("$", "scrollfocus\tthe window with the mouse pointer scrolls with the mouse wheel")
  602 call <SID>BinOptionG("scf", &scf)
  603 if has("gui")
  604   call append("$", "mousehide\thide the mouse pointer while typing")
  605   call <SID>BinOptionG("mh", &mh)
  606 endif
  607 call append("$", "mousemodel\t\"extend\", \"popup\" or \"popup_setpos\"; what the right")
  608 call append("$", "\tmouse button is used for")
  609 call <SID>OptionG("mousem", &mousem)
  610 call append("$", "mousetime\tmaximum time in msec to recognize a double-click")
  611 call append("$", " \tset mouset=" . &mouset)
  612 call append("$", "ttymouse\t\"xterm\", \"xterm2\", \"dec\" or \"netterm\"; type of mouse")
  613 call <SID>OptionG("ttym", &ttym)
  614 if has("mouseshape")
  615   call append("$", "mouseshape\twhat the mouse pointer looks like in different modes")
  616   call <SID>OptionG("mouses", &mouses)
  617 endif
  618 
  619 
  620 if has("gui")
  621   call <SID>Header("GUI")
  622   call append("$", "guifont\tlist of font names to be used in the GUI")
  623   call <SID>OptionG("gfn", &gfn)
  624   if has("xfontset")
  625     call append("$", "guifontset\tpair of fonts to be used, for multibyte editing")
  626     call <SID>OptionG("gfs", &gfs)
  627   endif
  628   call append("$", "guifontwide\tlist of font names to be used for double-wide characters")
  629   call <SID>OptionG("gfw", &gfw)
  630   if has("mac")
  631     call append("$", "antialias\tuse smooth, antialiased fonts")
  632     call <SID>BinOptionG("anti", &anti)
  633   endif
  634   call append("$", "guioptions\tlist of flags that specify how the GUI works")
  635   call <SID>OptionG("go", &go)
  636   if has("gui_gtk")
  637     call append("$", "toolbar\t\"icons\", \"text\" and/or \"tooltips\"; how to show the toolbar")
  638     call <SID>OptionG("tb", &tb)
  639     if has("gui_gtk2")
  640       call append("$", "toolbariconsize\tsize of toolbar icons")
  641       call <SID>OptionG("tbis", &tbis)
  642     endif
  643     call append("$", "guiheadroom\troom (in pixels) left above/below the window")
  644     call append("$", " \tset ghr=" . &ghr)
  645   endif
  646   if has("directx")
  647     call append("$", "renderoptions\toptions for text rendering")
  648     call <SID>OptionG("rop", &rop)
  649   endif
  650   call append("$", "guipty\tuse a pseudo-tty for I/O to external commands")
  651   call <SID>BinOptionG("guipty", &guipty)
  652   if has("browse")
  653     call append("$", "browsedir\t\"last\", \"buffer\" or \"current\": which directory used for the file browser")
  654     call <SID>OptionG("bsdir", &bsdir)
  655   endif
  656   if has("multi_lang")
  657     call append("$", "langmenu\tlanguage to be used for the menus")
  658     call <SID>OptionG("langmenu", &lm)
  659   endif
  660   call append("$", "menuitems\tmaximum number of items in one menu")
  661   call append("$", " \tset mis=" . &mis)
  662   if has("winaltkeys")
  663     call append("$", "winaltkeys\t\"no\", \"yes\" or \"menu\"; how to use the ALT key")
  664     call <SID>OptionG("wak", &wak)
  665   endif
  666   call append("$", "linespace\tnumber of pixel lines to use between characters")
  667   call append("$", " \tset lsp=" . &lsp)
  668   if has("balloon_eval") || has("balloon_eval_term")
  669     call append("$", "balloondelay\tdelay in milliseconds before a balloon may pop up")
  670     call append("$", " \tset bdlay=" . &bdlay)
  671     if has("balloon_eval")
  672       call append("$", "ballooneval\tuse balloon evaluation in the GUI")
  673       call <SID>BinOptionG("beval", &beval)
  674     endif
  675     if has("balloon_eval_term")
  676       call append("$", "balloonevalterm\tuse balloon evaluation in the terminal")
  677       call <SID>BinOptionG("bevalterm", &beval)
  678     endif
  679     if has("eval")
  680       call append("$", "balloonexpr\texpression to show in balloon eval")
  681       call append("$", " \tset bexpr=" . &bexpr)
  682     endif
  683   endif
  684   if exists("+macatsui")
  685     call append("$", "macatsui\tuse ATSUI text drawing; disable to avoid display problems")
  686     call <SID>OptionG("macatsui", &macatsui)
  687   endif
  688 endif
  689 
  690 if has("printer")
  691   call <SID>Header("printing")
  692   call append("$", "printoptions\tlist of items that control the format of :hardcopy output")
  693   call <SID>OptionG("popt", &popt)
  694   call append("$", "printdevice\tname of the printer to be used for :hardcopy")
  695   call <SID>OptionG("pdev", &pdev)
  696   if has("postscript")
  697     call append("$", "printexpr\texpression used to print the PostScript file for :hardcopy")
  698     call <SID>OptionG("pexpr", &pexpr)
  699   endif
  700   call append("$", "printfont\tname of the font to be used for :hardcopy")
  701   call <SID>OptionG("pfn", &pfn)
  702   call append("$", "printheader\tformat of the header used for :hardcopy")
  703   call <SID>OptionG("pheader", &pheader)
  704   if has("postscript")
  705     call append("$", "printencoding\tencoding used to print the PostScript file for :hardcopy")
  706     call <SID>OptionG("penc", &penc)
  707   endif
  708   call append("$", "printmbcharset\tthe CJK character set to be used for CJK output from :hardcopy")
  709   call <SID>OptionG("pmbcs", &pmbcs)
  710   call append("$", "printmbfont\tlist of font names to be used for CJK output from :hardcopy")
  711   call <SID>OptionG("pmbfn", &pmbfn)
  712 endif
  713 
  714 call <SID>Header("messages and info")
  715 call append("$", "terse\tadd 's' flag in 'shortmess' (don't show search message)")
  716 call <SID>BinOptionG("terse", &terse)
  717 call append("$", "shortmess\tlist of flags to make messages shorter")
  718 call <SID>OptionG("shm", &shm)
  719 call append("$", "showcmd\tshow (partial) command keys in the status line")
  720 let &sc = s:old_sc
  721 call <SID>BinOptionG("sc", &sc)
  722 set nosc
  723 call append("$", "showmode\tdisplay the current mode in the status line")
  724 call <SID>BinOptionG("smd", &smd)
  725 call append("$", "ruler\tshow cursor position below each window")
  726 let &ru = s:old_ru
  727 call <SID>BinOptionG("ru", &ru)
  728 set noru
  729 if has("statusline")
  730   call append("$", "rulerformat\talternate format to be used for the ruler")
  731   call <SID>OptionG("ruf", &ruf)
  732 endif
  733 call append("$", "report\tthreshold for reporting number of changed lines")
  734 call append("$", " \tset report=" . &report)
  735 call append("$", "verbose\tthe higher the more messages are given")
  736 call append("$", " \tset vbs=" . &vbs)
  737 call append("$", "verbosefile\tfile to write messages in")
  738 call <SID>OptionG("vfile", &vfile)
  739 call append("$", "more\tpause listings when the screen is full")
  740 call <SID>BinOptionG("more", &more)
  741 if has("dialog_con") || has("dialog_gui")
  742   call append("$", "confirm\tstart a dialog when a command fails")
  743   call <SID>BinOptionG("cf", &cf)
  744 endif
  745 call append("$", "errorbells\tring the bell for error messages")
  746 call <SID>BinOptionG("eb", &eb)
  747 call append("$", "visualbell\tuse a visual bell instead of beeping")
  748 call <SID>BinOptionG("vb", &vb)
  749 call append("$", "belloff\tdo not ring the bell for these reasons")
  750 call <SID>OptionG("belloff", &belloff)
  751 if has("multi_lang")
  752   call append("$", "helplang\tlist of preferred languages for finding help")
  753   call <SID>OptionG("hlg", &hlg)
  754 endif
  755 
  756 
  757 call <SID>Header("selecting text")
  758 call append("$", "selection\t\"old\", \"inclusive\" or \"exclusive\"; how selecting text behaves")
  759 call <SID>OptionG("sel", &sel)
  760 call append("$", "selectmode\t\"mouse\", \"key\" and/or \"cmd\"; when to start Select mode")
  761 call append("$", "\tinstead of Visual mode")
  762 call <SID>OptionG("slm", &slm)
  763 if has("clipboard")
  764   call append("$", "clipboard\t\"unnamed\" to use the * register like unnamed register")
  765   call append("$", "\t\"autoselect\" to always put selected text on the clipboard")
  766   call <SID>OptionG("cb", &cb)
  767 endif
  768 call append("$", "keymodel\t\"startsel\" and/or \"stopsel\"; what special keys can do")
  769 call <SID>OptionG("km", &km)
  770 
  771 
  772 call <SID>Header("editing text")
  773 call append("$", "undolevels\tmaximum number of changes that can be undone")
  774 call append("$", "\t(global or local to buffer)")
  775 call append("$", " \tset ul=" . s:old_ul)
  776 call append("$", "undofile\tautomatically save and restore undo history")
  777 call <SID>BinOptionG("udf", &udf)
  778 call append("$", "undodir\tlist of directories for undo files")
  779 call <SID>OptionG("udir", &udir)
  780 call append("$", "undoreload\tmaximum number lines to save for undo on a buffer reload")
  781 call append("$", " \tset ur=" . &ur)
  782 call append("$", "modified\tchanges have been made and not written to a file")
  783 call append("$", "\t(local to buffer)")
  784 call <SID>BinOptionL("mod")
  785 call append("$", "readonly\tbuffer is not to be written")
  786 call append("$", "\t(local to buffer)")
  787 call <SID>BinOptionL("ro")
  788 call append("$", "modifiable\tchanges to the text are not possible")
  789 call append("$", "\t(local to buffer)")
  790 call <SID>BinOptionL("ma")
  791 call append("$", "textwidth\tline length above which to break a line")
  792 call append("$", "\t(local to buffer)")
  793 call <SID>OptionL("tw")
  794 call append("$", "wrapmargin\tmargin from the right in which to break a line")
  795 call append("$", "\t(local to buffer)")
  796 call <SID>OptionL("wm")
  797 call append("$", "backspace\tspecifies what <BS>, CTRL-W, etc. can do in Insert mode")
  798 call append("$", " \tset bs=" . &bs)
  799 call append("$", "comments\tdefinition of what comment lines look like")
  800 call append("$", "\t(local to buffer)")
  801 call <SID>OptionL("com")
  802 call append("$", "formatoptions\tlist of flags that tell how automatic formatting works")
  803 call append("$", "\t(local to buffer)")
  804 call <SID>OptionL("fo")
  805 call append("$", "formatlistpat\tpattern to recognize a numbered list")
  806 call append("$", "\t(local to buffer)")
  807 call <SID>OptionL("flp")
  808 if has("eval")
  809   call append("$", "formatexpr\texpression used for \"gq\" to format lines")
  810   call append("$", "\t(local to buffer)")
  811   call <SID>OptionL("fex")
  812 endif
  813 if has("insert_expand")
  814   call append("$", "complete\tspecifies how Insert mode completion works for CTRL-N and CTRL-P")
  815   call append("$", "\t(local to buffer)")
  816   call <SID>OptionL("cpt")
  817   call append("$", "completeopt\twhether to use a popup menu for Insert mode completion")
  818   call <SID>OptionG("cot", &cot)
  819   if exists("+completepopup")
  820     call append("$", "completepopup\toptions for the Insert mode completion info popup")
  821     call <SID>OptionG("cpp", &cpp)
  822   endif
  823   call append("$", "pumheight\tmaximum height of the popup menu")
  824   call <SID>OptionG("ph", &ph)
  825   call append("$", "pumwidth\tminimum width of the popup menu")
  826   call <SID>OptionG("pw", &pw)
  827   call append("$", "completefunc\tuser defined function for Insert mode completion")
  828   call append("$", "\t(local to buffer)")
  829   call <SID>OptionL("cfu")
  830   call append("$", "omnifunc\tfunction for filetype-specific Insert mode completion")
  831   call append("$", "\t(local to buffer)")
  832   call <SID>OptionL("ofu")
  833   call append("$", "dictionary\tlist of dictionary files for keyword completion")
  834   call append("$", "\t(global or local to buffer)")
  835   call <SID>OptionG("dict", &dict)
  836   call append("$", "thesaurus\tlist of thesaurus files for keyword completion")
  837   call append("$", "\t(global or local to buffer)")
  838   call <SID>OptionG("tsr", &tsr)
  839 endif
  840 call append("$", "infercase\tadjust case of a keyword completion match")
  841 call append("$", "\t(local to buffer)")
  842 call <SID>BinOptionL("inf")
  843 if has("digraphs")
  844   call append("$", "digraph\tenable entering digraphs with c1 <BS> c2")
  845   call <SID>BinOptionG("dg", &dg)
  846 endif
  847 call append("$", "tildeop\tthe \"~\" command behaves like an operator")
  848 call <SID>BinOptionG("top", &top)
  849 call append("$", "operatorfunc\tfunction called for the\"g@\"  operator")
  850 call <SID>OptionG("opfunc", &opfunc)
  851 call append("$", "showmatch\twhen inserting a bracket, briefly jump to its match")
  852 call <SID>BinOptionG("sm", &sm)
  853 call append("$", "matchtime\ttenth of a second to show a match for 'showmatch'")
  854 call append("$", " \tset mat=" . &mat)
  855 call append("$", "matchpairs\tlist of pairs that match for the \"%\" command")
  856 call append("$", "\t(local to buffer)")
  857 call <SID>OptionL("mps")
  858 call append("$", "joinspaces\tuse two spaces after '.' when joining a line")
  859 call <SID>BinOptionG("js", &js)
  860 call append("$", "nrformats\t\"alpha\", \"octal\" and/or \"hex\"; number formats recognized for")
  861 call append("$", "\tCTRL-A and CTRL-X commands")
  862 call append("$", "\t(local to buffer)")
  863 call <SID>OptionL("nf")
  864 
  865 
  866 call <SID>Header("tabs and indenting")
  867 call append("$", "tabstop\tnumber of spaces a <Tab> in the text stands for")
  868 call append("$", "\t(local to buffer)")
  869 call <SID>OptionL("ts")
  870 call append("$", "shiftwidth\tnumber of spaces used for each step of (auto)indent")
  871 call append("$", "\t(local to buffer)")
  872 call <SID>OptionL("sw")
  873 if has("vartabs")
  874   call append("$", "vartabstop\tlist of number of spaces a tab counts for")
  875   call append("$", "\t(local to buffer)")
  876   call <SID>OptionL("vts")
  877   call append("$", "varsofttabstop\tlist of number of spaces a soft tabsstop counts for")
  878   call append("$", "\t(local to buffer)")
  879   call <SID>OptionL("vsts")
  880 endif
  881 call append("$", "smarttab\ta <Tab> in an indent inserts 'shiftwidth' spaces")
  882 call <SID>BinOptionG("sta", &sta)
  883 call append("$", "softtabstop\tif non-zero, number of spaces to insert for a <Tab>")
  884 call append("$", "\t(local to buffer)")
  885 call <SID>OptionL("sts")
  886 call append("$", "shiftround\tround to 'shiftwidth' for \"<<\" and \">>\"")
  887 call <SID>BinOptionG("sr", &sr)
  888 call append("$", "expandtab\texpand <Tab> to spaces in Insert mode")
  889 call append("$", "\t(local to buffer)")
  890 call <SID>BinOptionL("et")
  891 call append("$", "autoindent\tautomatically set the indent of a new line")
  892 call append("$", "\t(local to buffer)")
  893 call <SID>BinOptionL("ai")
  894 if has("smartindent")
  895   call append("$", "smartindent\tdo clever autoindenting")
  896   call append("$", "\t(local to buffer)")
  897   call <SID>BinOptionL("si")
  898 endif
  899 if has("cindent")
  900   call append("$", "cindent\tenable specific indenting for C code")
  901   call append("$", "\t(local to buffer)")
  902   call <SID>BinOptionL("cin")
  903   call append("$", "cinoptions\toptions for C-indenting")
  904   call append("$", "\t(local to buffer)")
  905   call <SID>OptionL("cino")
  906   call append("$", "cinkeys\tkeys that trigger C-indenting in Insert mode")
  907   call append("$", "\t(local to buffer)")
  908   call <SID>OptionL("cink")
  909   call append("$", "cinwords\tlist of words that cause more C-indent")
  910   call append("$", "\t(local to buffer)")
  911   call <SID>OptionL("cinw")
  912   call append("$", "indentexpr\texpression used to obtain the indent of a line")
  913   call append("$", "\t(local to buffer)")
  914   call <SID>OptionL("inde")
  915   call append("$", "indentkeys\tkeys that trigger indenting with 'indentexpr' in Insert mode")
  916   call append("$", "\t(local to buffer)")
  917   call <SID>OptionL("indk")
  918 endif
  919 call append("$", "copyindent\tcopy whitespace for indenting from previous line")
  920 call append("$", "\t(local to buffer)")
  921 call <SID>BinOptionL("ci")
  922 call append("$", "preserveindent\tpreserve kind of whitespace when changing indent")
  923 call append("$", "\t(local to buffer)")
  924 call <SID>BinOptionL("pi")
  925 if has("lispindent")
  926   call append("$", "lisp\tenable lisp mode")
  927   call append("$", "\t(local to buffer)")
  928   call <SID>BinOptionL("lisp")
  929   call append("$", "lispwords\twords that change how lisp indenting works")
  930   call <SID>OptionL("lw")
  931 endif
  932 
  933 
  934 if has("folding")
  935   call <SID>Header("folding")
  936   call append("$", "foldenable\tset to display all folds open")
  937   call append("$", "\t(local to window)")
  938   call <SID>BinOptionL("fen")
  939   call append("$", "foldlevel\tfolds with a level higher than this number will be closed")
  940   call append("$", "\t(local to window)")
  941   call <SID>OptionL("fdl")
  942   call append("$", "foldlevelstart\tvalue for 'foldlevel' when starting to edit a file")
  943   call append("$", " \tset fdls=" . &fdls)
  944   call append("$", "foldcolumn\twidth of the column used to indicate folds")
  945   call append("$", "\t(local to window)")
  946   call <SID>OptionL("fdc")
  947   call append("$", "foldtext\texpression used to display the text of a closed fold")
  948   call append("$", "\t(local to window)")
  949   call <SID>OptionL("fdt")
  950   call append("$", "foldclose\tset to \"all\" to close a fold when the cursor leaves it")
  951   call <SID>OptionG("fcl", &fcl)
  952   call append("$", "foldopen\tspecifies for which commands a fold will be opened")
  953   call <SID>OptionG("fdo", &fdo)
  954   call append("$", "foldminlines\tminimum number of screen lines for a fold to be closed")
  955   call append("$", "\t(local to window)")
  956   call <SID>OptionL("fml")
  957   call append("$", "commentstring\ttemplate for comments; used to put the marker in")
  958   call <SID>OptionL("cms")
  959   call append("$", "foldmethod\tfolding type: \"manual\", \"indent\", \"expr\", \"marker\" or \"syntax\"")
  960   call append("$", "\t(local to window)")
  961   call <SID>OptionL("fdm")
  962   call append("$", "foldexpr\texpression used when 'foldmethod' is \"expr\"")
  963   call append("$", "\t(local to window)")
  964   call <SID>OptionL("fde")
  965   call append("$", "foldignore\tused to ignore lines when 'foldmethod' is \"indent\"")
  966   call append("$", "\t(local to window)")
  967   call <SID>OptionL("fdi")
  968   call append("$", "foldmarker\tmarkers used when 'foldmethod' is \"marker\"")
  969   call append("$", "\t(local to window)")
  970   call <SID>OptionL("fmr")
  971   call append("$", "foldnestmax\tmaximum fold depth for when 'foldmethod' is \"indent\" or \"syntax\"")
  972   call append("$", "\t(local to window)")
  973   call <SID>OptionL("fdn")
  974 endif
  975 
  976 
  977 if has("diff")
  978   call <SID>Header("diff mode")
  979   call append("$", "diff\tuse diff mode for the current window")
  980   call append("$", "\t(local to window)")
  981   call <SID>BinOptionL("diff")
  982   call append("$", "diffopt\toptions for using diff mode")
  983   call <SID>OptionG("dip", &dip)
  984   call append("$", "diffexpr\texpression used to obtain a diff file")
  985   call <SID>OptionG("dex", &dex)
  986   call append("$", "patchexpr\texpression used to patch a file")
  987   call <SID>OptionG("pex", &pex)
  988 endif
  989 
  990 
  991 call <SID>Header("mapping")
  992 call append("$", "maxmapdepth\tmaximum depth of mapping")
  993 call append("$", " \tset mmd=" . &mmd)
  994 call append("$", "remap\trecognize mappings in mapped keys")
  995 call <SID>BinOptionG("remap", &remap)
  996 call append("$", "timeout\tallow timing out halfway into a mapping")
  997 call <SID>BinOptionG("to", &to)
  998 call append("$", "ttimeout\tallow timing out halfway into a key code")
  999 call <SID>BinOptionG("ttimeout", &ttimeout)
 1000 call append("$", "timeoutlen\ttime in msec for 'timeout'")
 1001 call append("$", " \tset tm=" . &tm)
 1002 call append("$", "ttimeoutlen\ttime in msec for 'ttimeout'")
 1003 call append("$", " \tset ttm=" . &ttm)
 1004 
 1005 
 1006 call <SID>Header("reading and writing files")
 1007 call append("$", "modeline\tenable using settings from modelines when reading a file")
 1008 call append("$", "\t(local to buffer)")
 1009 call <SID>BinOptionL("ml")
 1010 call append("$", "modelineexpr\tallow setting expression options from a modeline")
 1011 call <SID>BinOptionG("mle", &mle)
 1012 call append("$", "modelines\tnumber of lines to check for modelines")
 1013 call append("$", " \tset mls=" . &mls)
 1014 call append("$", "binary\tbinary file editing")
 1015 call append("$", "\t(local to buffer)")
 1016 call <SID>BinOptionL("bin")
 1017 call append("$", "endofline\tlast line in the file has an end-of-line")
 1018 call append("$", "\t(local to buffer)")
 1019 call <SID>BinOptionL("eol")
 1020 call append("$", "fixendofline\tfixes missing end-of-line at end of text file")
 1021 call append("$", "\t(local to buffer)")
 1022 call <SID>BinOptionL("fixeol")
 1023 call append("$", "bomb\tprepend a Byte Order Mark to the file")
 1024 call append("$", "\t(local to buffer)")
 1025 call <SID>BinOptionL("bomb")
 1026 call append("$", "fileformat\tend-of-line format: \"dos\", \"unix\" or \"mac\"")
 1027 call append("$", "\t(local to buffer)")
 1028 call <SID>OptionL("ff")
 1029 call append("$", "fileformats\tlist of file formats to look for when editing a file")
 1030 call <SID>OptionG("ffs", &ffs)
 1031 call append("$", "textmode\tobsolete, use 'fileformat'")
 1032 call append("$", "\t(local to buffer)")
 1033 call <SID>BinOptionL("tx")
 1034 call append("$", "textauto\tobsolete, use 'fileformats'")
 1035 call <SID>BinOptionG("ta", &ta)
 1036 call append("$", "write\twriting files is allowed")
 1037 call <SID>BinOptionG("write", &write)
 1038 call append("$", "writebackup\twrite a backup file before overwriting a file")
 1039 call <SID>BinOptionG("wb", &wb)
 1040 call append("$", "backup\tkeep a backup after overwriting a file")
 1041 call <SID>BinOptionG("bk", &bk)
 1042 call append("$", "backupskip\tpatterns that specify for which files a backup is not made")
 1043 call append("$", " \tset bsk=" . &bsk)
 1044 call append("$", "backupcopy\twhether to make the backup as a copy or rename the existing file")
 1045 call append("$", "\t(global or local to buffer)")
 1046 call append("$", " \tset bkc=" . &bkc)
 1047 call append("$", "backupdir\tlist of directories to put backup files in")
 1048 call <SID>OptionG("bdir", &bdir)
 1049 call append("$", "backupext\tfile name extension for the backup file")
 1050 call <SID>OptionG("bex", &bex)
 1051 call append("$", "autowrite\tautomatically write a file when leaving a modified buffer")
 1052 call <SID>BinOptionG("aw", &aw)
 1053 call append("$", "autowriteall\tas 'autowrite', but works with more commands")
 1054 call <SID>BinOptionG("awa", &awa)
 1055 call append("$", "writeany\talways write without asking for confirmation")
 1056 call <SID>BinOptionG("wa", &wa)
 1057 call append("$", "autoread\tautomatically read a file when it was modified outside of Vim")
 1058 call append("$", "\t(global or local to buffer)")
 1059 call <SID>BinOptionG("ar", &ar)
 1060 call append("$", "patchmode\tkeep oldest version of a file; specifies file name extension")
 1061 call <SID>OptionG("pm", &pm)
 1062 call append("$", "fsync\tforcibly sync the file to disk after writing it")
 1063 call <SID>BinOptionG("fs", &fs)
 1064 call append("$", "shortname\tuse 8.3 file names")
 1065 call append("$", "\t(local to buffer)")
 1066 call <SID>BinOptionL("sn")
 1067 call append("$", "cryptmethod\tencryption method for file writing: zip or blowfish")
 1068 call append("$", "\t(local to buffer)")
 1069 call <SID>OptionL("cm")
 1070 
 1071 
 1072 call <SID>Header("the swap file")
 1073 call append("$", "directory\tlist of directories for the swap file")
 1074 call <SID>OptionG("dir", &dir)
 1075 call append("$", "swapfile\tuse a swap file for this buffer")
 1076 call append("$", "\t(local to buffer)")
 1077 call <SID>BinOptionL("swf")
 1078 call append("$", "swapsync\t\"sync\", \"fsync\" or empty; how to flush a swap file to disk")
 1079 call <SID>OptionG("sws", &sws)
 1080 call append("$", "updatecount\tnumber of characters typed to cause a swap file update")
 1081 call append("$", " \tset uc=" . &uc)
 1082 call append("$", "updatetime\ttime in msec after which the swap file will be updated")
 1083 call append("$", " \tset ut=" . &ut)
 1084 call append("$", "maxmem\tmaximum amount of memory in Kbyte used for one buffer")
 1085 call append("$", " \tset mm=" . &mm)
 1086 call append("$", "maxmemtot\tmaximum amount of memory in Kbyte used for all buffers")
 1087 call append("$", " \tset mmt=" . &mmt)
 1088 
 1089 
 1090 call <SID>Header("command line editing")
 1091 call append("$", "history\thow many command lines are remembered ")
 1092 call append("$", " \tset hi=" . &hi)
 1093 call append("$", "wildchar\tkey that triggers command-line expansion")
 1094 call append("$", " \tset wc=" . &wc)
 1095 call append("$", "wildcharm\tlike 'wildchar' but can also be used in a mapping")
 1096 call append("$", " \tset wcm=" . &wcm)
 1097 call append("$", "wildmode\tspecifies how command line completion works")
 1098 call <SID>OptionG("wim", &wim)
 1099 if has("wildoptions")
 1100   call append("$", "wildoptions\tempty or \"tagfile\" to list file name of matching tags")
 1101   call <SID>OptionG("wop", &wop)
 1102 endif
 1103 call append("$", "suffixes\tlist of file name extensions that have a lower priority")
 1104 call <SID>OptionG("su", &su)
 1105 if has("file_in_path")
 1106   call append("$", "suffixesadd\tlist of file name extensions added when searching for a file")
 1107   call append("$", "\t(local to buffer)")
 1108   call <SID>OptionL("sua")
 1109 endif
 1110 if has("wildignore")
 1111   call append("$", "wildignore\tlist of patterns to ignore files for file name completion")
 1112   call <SID>OptionG("wig", &wig)
 1113 endif
 1114 call append("$", "fileignorecase\tignore case when using file names")
 1115 call <SID>BinOptionG("fic", &fic)
 1116 call append("$", "wildignorecase\tignore case when completing file names")
 1117 call <SID>BinOptionG("wic", &wic)
 1118 if has("wildmenu")
 1119   call append("$", "wildmenu\tcommand-line completion shows a list of matches")
 1120   call <SID>BinOptionG("wmnu", &wmnu)
 1121 endif
 1122 call append("$", "cedit\tkey used to open the command-line window")
 1123 call <SID>OptionG("cedit", &cedit)
 1124 call append("$", "cmdwinheight\theight of the command-line window")
 1125 call <SID>OptionG("cwh", &cwh)
 1126 
 1127 
 1128 call <SID>Header("executing external commands")
 1129 call append("$", "shell\tname of the shell program used for external commands")
 1130 call <SID>OptionG("sh", &sh)
 1131 if has("amiga")
 1132   call append("$", "shelltype\twhen to use the shell or directly execute a command")
 1133   call append("$", " \tset st=" . &st)
 1134 endif
 1135 call append("$", "shellquote\tcharacter(s) to enclose a shell command in")
 1136 call <SID>OptionG("shq", &shq)
 1137 call append("$", "shellxquote\tlike 'shellquote' but include the redirection")
 1138 call <SID>OptionG("sxq", &sxq)
 1139 call append("$", "shellxescape\tcharacters to escape when 'shellxquote' is (")
 1140 call <SID>OptionG("sxe", &sxe)
 1141 call append("$", "shellcmdflag\targument for 'shell' to execute a command")
 1142 call <SID>OptionG("shcf", &shcf)
 1143 call append("$", "shellredir\tused to redirect command output to a file")
 1144 call <SID>OptionG("srr", &srr)
 1145 call append("$", "shelltemp\tuse a temp file for shell commands instead of using a pipe")
 1146 call <SID>BinOptionG("stmp", &stmp)
 1147 call append("$", "equalprg\tprogram used for \"=\" command")
 1148 call append("$", "\t(global or local to buffer)")
 1149 call <SID>OptionG("ep", &ep)
 1150 call append("$", "formatprg\tprogram used to format lines with \"gq\" command")
 1151 call <SID>OptionG("fp", &fp)
 1152 call append("$", "keywordprg\tprogram used for the \"K\" command")
 1153 call <SID>OptionG("kp", &kp)
 1154 call append("$", "warn\twarn when using a shell command and a buffer has changes")
 1155 call <SID>BinOptionG("warn", &warn)
 1156 
 1157 
 1158 if has("quickfix")
 1159   call <SID>Header("running make and jumping to errors (quickfix)")
 1160   call append("$", "errorfile\tname of the file that contains error messages")
 1161   call <SID>OptionG("ef", &ef)
 1162   call append("$", "errorformat\tlist of formats for error messages")
 1163   call append("$", "\t(global or local to buffer)")
 1164   call <SID>OptionG("efm", &efm)
 1165   call append("$", "makeprg\tprogram used for the \":make\" command")
 1166   call append("$", "\t(global or local to buffer)")
 1167   call <SID>OptionG("mp", &mp)
 1168   call append("$", "shellpipe\tstring used to put the output of \":make\" in the error file")
 1169   call <SID>OptionG("sp", &sp)
 1170   call append("$", "makeef\tname of the errorfile for the 'makeprg' command")
 1171   call <SID>OptionG("mef", &mef)
 1172   call append("$", "grepprg\tprogram used for the \":grep\" command")
 1173   call append("$", "\t(global or local to buffer)")
 1174   call <SID>OptionG("gp", &gp)
 1175   call append("$", "grepformat\tlist of formats for output of 'grepprg'")
 1176   call <SID>OptionG("gfm", &gfm)
 1177   call append("$", "makeencoding\tencoding of the \":make\" and \":grep\" output")
 1178   call append("$", "\t(global or local to buffer)")
 1179   call <SID>OptionG("menc", &menc)
 1180   call append("$", "quickfixtextfunc\tfunction to display text in the quickfix window")
 1181   call <SID>OptionG("qftf", &qftf)
 1182 endif
 1183 
 1184 
 1185 if has("win32") || has("osfiletype")
 1186   call <SID>Header("system specific")
 1187   if has("osfiletype")
 1188     call append("$", "osfiletype\tOS-specific information about the type of file")
 1189     call append("$", "\t(local to buffer)")
 1190     call <SID>OptionL("oft")
 1191   endif
 1192   if has("win32")
 1193     call append("$", "shellslash\tuse forward slashes in file names; for Unix-like shells")
 1194     call <SID>BinOptionG("ssl", &ssl)
 1195     call append("$", "completeslash\tspecifies slash/backslash used for completion")
 1196     call <SID>OptionG("csl", &csl)
 1197   endif
 1198 endif
 1199 
 1200 
 1201 call <SID>Header("language specific")
 1202 call append("$", "isfname\tspecifies the characters in a file name")
 1203 call <SID>OptionG("isf", &isf)
 1204 call append("$", "isident\tspecifies the characters in an identifier")
 1205 call <SID>OptionG("isi", &isi)
 1206 call append("$", "iskeyword\tspecifies the characters in a keyword")
 1207 call append("$", "\t(local to buffer)")
 1208 call <SID>OptionL("isk")
 1209 call append("$", "isprint\tspecifies printable characters")
 1210 call <SID>OptionG("isp", &isp)
 1211 if has("textobjects")
 1212   call append("$", "quoteescape\tspecifies escape characters in a string")
 1213   call append("$", "\t(local to buffer)")
 1214   call <SID>OptionL("qe")
 1215 endif
 1216 if has("rightleft")
 1217   call append("$", "rightleft\tdisplay the buffer right-to-left")
 1218   call append("$", "\t(local to window)")
 1219   call <SID>BinOptionL("rl")
 1220   call append("$", "rightleftcmd\twhen to edit the command-line right-to-left")
 1221   call append("$", "\t(local to window)")
 1222   call <SID>OptionL("rlc")
 1223   call append("$", "revins\tinsert characters backwards")
 1224   call <SID>BinOptionG("ri", &ri)
 1225   call append("$", "allowrevins\tallow CTRL-_ in Insert and Command-line mode to toggle 'revins'")
 1226   call <SID>BinOptionG("ari", &ari)
 1227   call append("$", "aleph\tthe ASCII code for the first letter of the Hebrew alphabet")
 1228   call append("$", " \tset al=" . &al)
 1229   call append("$", "hkmap\tuse Hebrew keyboard mapping")
 1230   call <SID>BinOptionG("hk", &hk)
 1231   call append("$", "hkmapp\tuse phonetic Hebrew keyboard mapping")
 1232   call <SID>BinOptionG("hkp", &hkp)
 1233 endif
 1234 if has("farsi")
 1235   call append("$", "altkeymap\tuse Farsi as the second language when 'revins' is set")
 1236   call <SID>BinOptionG("akm", &akm)
 1237   call append("$", "fkmap\tuse Farsi keyboard mapping")
 1238   call <SID>BinOptionG("fk", &fk)
 1239 endif
 1240 if has("arabic")
 1241   call append("$", "arabic\tprepare for editing Arabic text")
 1242   call append("$", "\t(local to window)")
 1243   call <SID>BinOptionL("arab")
 1244   call append("$", "arabicshape\tperform shaping of Arabic characters")
 1245   call <SID>BinOptionG("arshape", &arshape)
 1246   call append("$", "termbidi\tterminal will perform bidi handling")
 1247   call <SID>BinOptionG("tbidi", &tbidi)
 1248 endif
 1249 if has("keymap")
 1250   call append("$", "keymap\tname of a keyboard mapping")
 1251   call <SID>OptionL("kmp")
 1252 endif
 1253 if has("langmap")
 1254   call append("$", "langmap\tlist of characters that are translated in Normal mode")
 1255   call <SID>OptionG("lmap", &lmap)
 1256   call append("$", "langremap\tapply 'langmap' to mapped characters")
 1257   call <SID>BinOptionG("lrm", &lrm)
 1258 endif
 1259 if has("xim")
 1260   call append("$", "imdisable\twhen set never use IM; overrules following IM options")
 1261   call <SID>BinOptionG("imd", &imd)
 1262 endif
 1263 call append("$", "iminsert\tin Insert mode: 1: use :lmap; 2: use IM; 0: neither")
 1264 call append("$", "\t(local to window)")
 1265 call <SID>OptionL("imi")
 1266 call append("$", "imstyle\tinput method style, 0: on-the-spot, 1: over-the-spot")
 1267 call <SID>OptionG("imst", &imst)
 1268 call append("$", "imsearch\tentering a search pattern: 1: use :lmap; 2: use IM; 0: neither")
 1269 call append("$", "\t(local to window)")
 1270 call <SID>OptionL("ims")
 1271 if has("xim")
 1272   call append("$", "imcmdline\twhen set always use IM when starting to edit a command line")
 1273   call <SID>BinOptionG("imc", &imc)
 1274   call append("$", "imstatusfunc\tfunction to obtain IME status")
 1275   call <SID>OptionG("imsf", &imsf)
 1276   call append("$", "imactivatefunc\tfunction to enable/disable IME")
 1277   call <SID>OptionG("imaf", &imaf)
 1278 endif
 1279 
 1280 
 1281 call <SID>Header("multi-byte characters")
 1282 call append("$", "encoding\tcharacter encoding used in Vim: \"latin1\", \"utf-8\"")
 1283 call append("$", "\t\"euc-jp\", \"big5\", etc.")
 1284 call <SID>OptionG("enc", &enc)
 1285 call append("$", "fileencoding\tcharacter encoding for the current file")
 1286 call append("$", "\t(local to buffer)")
 1287 call <SID>OptionL("fenc")
 1288 call append("$", "fileencodings\tautomatically detected character encodings")
 1289 call <SID>OptionG("fencs", &fencs)
 1290 call append("$", "termencoding\tcharacter encoding used by the terminal")
 1291 call <SID>OptionG("tenc", &tenc)
 1292 call append("$", "charconvert\texpression used for character encoding conversion")
 1293 call <SID>OptionG("ccv", &ccv)
 1294 call append("$", "delcombine\tdelete combining (composing) characters on their own")
 1295 call <SID>BinOptionG("deco", &deco)
 1296 call append("$", "maxcombine\tmaximum number of combining (composing) characters displayed")
 1297 call <SID>OptionG("mco", &mco)
 1298 if has("xim") && has("gui_gtk")
 1299   call append("$", "imactivatekey\tkey that activates the X input method")
 1300   call <SID>OptionG("imak", &imak)
 1301 endif
 1302 call append("$", "ambiwidth\twidth of ambiguous width characters")
 1303 call <SID>OptionG("ambw", &ambw)
 1304 call append("$", "emoji\temoji characters are full width")
 1305 call <SID>BinOptionG("emo", &emo)
 1306 
 1307 
 1308 call <SID>Header("various")
 1309 call append("$", "virtualedit\twhen to use virtual editing: \"block\", \"insert\" and/or \"all\"")
 1310 call <SID>OptionG("ve", &ve)
 1311 call append("$", "eventignore\tlist of autocommand events which are to be ignored")
 1312 call <SID>OptionG("ei", &ei)
 1313 call append("$", "loadplugins\tload plugin scripts when starting up")
 1314 call <SID>BinOptionG("lpl", &lpl)
 1315 call append("$", "exrc\tenable reading .vimrc/.exrc/.gvimrc in the current directory")
 1316 call <SID>BinOptionG("ex", &ex)
 1317 call append("$", "secure\tsafer working with script files in the current directory")
 1318 call <SID>BinOptionG("secure", &secure)
 1319 call append("$", "gdefault\tuse the 'g' flag for \":substitute\"")
 1320 call <SID>BinOptionG("gd", &gd)
 1321 call append("$", "edcompatible\t'g' and 'c' flags of \":substitute\" toggle")
 1322 call <SID>BinOptionG("ed", &ed)
 1323 if exists("+opendevice")
 1324   call append("$", "opendevice\tallow reading/writing devices")
 1325   call <SID>BinOptionG("odev", &odev)
 1326 endif
 1327 if exists("+maxfuncdepth")
 1328   call append("$", "maxfuncdepth\tmaximum depth of function calls")
 1329   call append("$", " \tset mfd=" . &mfd)
 1330 endif
 1331 if has("mksession")
 1332   call append("$", "sessionoptions\tlist of words that specifies what to put in a session file")
 1333   call <SID>OptionG("ssop", &ssop)
 1334   call append("$", "viewoptions\tlist of words that specifies what to save for :mkview")
 1335   call <SID>OptionG("vop", &vop)
 1336   call append("$", "viewdir\tdirectory where to store files with :mkview")
 1337   call <SID>OptionG("vdir", &vdir)
 1338 endif
 1339 if has("viminfo")
 1340   call append("$", "viminfo\tlist that specifies what to write in the viminfo file")
 1341   call <SID>OptionG("vi", &vi)
 1342   call append("$", "viminfofile\tfile name used for the viminfo file")
 1343   call <SID>OptionG("vif", &vif)
 1344 endif
 1345 if has("quickfix")
 1346   call append("$", "bufhidden\twhat happens with a buffer when it's no longer in a window")
 1347   call append("$", "\t(local to buffer)")
 1348   call <SID>OptionL("bh")
 1349   call append("$", "buftype\t\"\", \"nofile\", \"nowrite\" or \"quickfix\": type of buffer")
 1350   call append("$", "\t(local to buffer)")
 1351   call <SID>OptionL("bt")
 1352 endif
 1353 call append("$", "buflisted\twhether the buffer shows up in the buffer list")
 1354 call append("$", "\t(local to buffer)")
 1355 call <SID>BinOptionL("bl")
 1356 call append("$", "debug\tset to \"msg\" to see all error messages")
 1357 call append("$", " \tset debug=" . &debug)
 1358 if has("signs")
 1359   call append("$", "signcolumn\twhether to show the signcolumn")
 1360   call append("$", "\t(local to window)")
 1361   call <SID>OptionL("scl")
 1362 endif
 1363 if has("mzscheme")
 1364   call append("$", "mzquantum\tinterval in milliseconds between polls for MzScheme threads")
 1365   call append("$", " \tset mzq=" . &mzq)
 1366 endif
 1367 if exists("&luadll")
 1368   call append("$", "luadll\tname of the Lua dynamic library")
 1369   call <SID>OptionG("luadll", &luadll)
 1370 endif
 1371 if exists("&perldll")
 1372   call append("$", "perldll\tname of the Perl dynamic library")
 1373   call <SID>OptionG("perldll", &perldll)
 1374 endif
 1375 if has('pythonx')
 1376   call append("$", "pyxversion\twhether to use Python 2 or 3")
 1377   call append("$", " \tset pyx=" . &wd)
 1378 endif
 1379 if exists("&pythondll")
 1380   call append("$", "pythondll\tname of the Python 2 dynamic library")
 1381   call <SID>OptionG("pythondll", &pythondll)
 1382 endif
 1383 if exists("&pythonhome")
 1384   call append("$", "pythonhome\tname of the Python 2 home directory")
 1385   call <SID>OptionG("pythonhome", &pythonhome)
 1386 endif
 1387 if exists("&pythonthreedll")
 1388   call append("$", "pythonthreedll\tname of the Python 3 dynamic library")
 1389   call <SID>OptionG("pythonthreedll", &pythonthreedll)
 1390 endif
 1391 if exists("&pythonthreehome")
 1392   call append("$", "pythonthreehome\tname of the Python 3 home directory")
 1393   call <SID>OptionG("pythonthreehome", &pythonthreehome)
 1394 endif
 1395 if exists("&rubydll")
 1396   call append("$", "rubydll\tname of the Ruby dynamic library")
 1397   call <SID>OptionG("rubydll", &rubydll)
 1398 endif
 1399 if exists("&tcldll")
 1400   call append("$", "tcldll\tname of the Tcl dynamic library")
 1401   call <SID>OptionG("tcldll", &tcldll)
 1402 endif
 1403 if exists("&mzschemedll")
 1404   call append("$", "mzschemedll\tname of the Tcl dynamic library")
 1405   call <SID>OptionG("mzschemedll", &mzschemedll)
 1406   call append("$", "mzschemegcdll\tname of the Tcl GC dynamic library")
 1407   call <SID>OptionG("mzschemegcdll", &mzschemegcdll)
 1408 endif
 1409 
 1410 set cpo&vim
 1411 
 1412 " go to first line
 1413 1
 1414 
 1415 " reset 'modified', so that ":q" can be used to close the window
 1416 setlocal nomodified
 1417 
 1418 if has("syntax")
 1419   " Use Vim highlighting, with some additional stuff
 1420   setlocal ft=vim
 1421   syn match optwinHeader "^ \=[0-9].*"
 1422   syn match optwinName "^[a-z]*\t" nextgroup=optwinComment
 1423   syn match optwinComment ".*" contained
 1424   syn match optwinComment "^\t.*"
 1425   if !exists("did_optwin_syntax_inits")
 1426     let did_optwin_syntax_inits = 1
 1427     hi link optwinHeader Title
 1428     hi link optwinName Identifier
 1429     hi link optwinComment Comment
 1430   endif
 1431 endif
 1432 
 1433 " Install autocommands to enable mappings in option-window
 1434 noremap <silent> <buffer> <CR> <C-\><C-N>:call <SID>CR()<CR>
 1435 inoremap <silent> <buffer> <CR> <Esc>:call <SID>CR()<CR>
 1436 noremap <silent> <buffer> <Space> :call <SID>Space()<CR>
 1437 
 1438 " Make the buffer be deleted when the window is closed.
 1439 setlocal buftype=nofile bufhidden=delete noswapfile
 1440 
 1441 augroup optwin
 1442   au! BufUnload,BufHidden option-window nested
 1443     \ call <SID>unload() | delfun <SID>unload
 1444 augroup END
 1445 
 1446 fun! <SID>unload()
 1447   delfun <SID>CR
 1448   delfun <SID>Space
 1449   delfun <SID>Find
 1450   delfun <SID>Update
 1451   delfun <SID>OptionL
 1452   delfun <SID>OptionG
 1453   delfun <SID>BinOptionL
 1454   delfun <SID>BinOptionG
 1455   delfun <SID>Header
 1456   au! optwin
 1457 endfun
 1458 
 1459 " Restore the previous value of 'title' and 'icon'.
 1460 let &title = s:old_title
 1461 let &icon = s:old_icon
 1462 let &ru = s:old_ru
 1463 let &sc = s:old_sc
 1464 let &cpo = s:cpo_save
 1465 let &ul = s:old_ul
 1466 unlet s:old_title s:old_icon s:old_ru s:old_sc s:cpo_save s:idx s:lnum s:old_ul
 1467 
 1468 " vim: ts=8 sw=2 sts=2