FM / doc

/usr/share/vim/vim82/doc

Name	Size	Mode	Actions
arabic.txt	12204	0644	edit dl rm
autocmd.txt	74314	0644	edit dl rm
builtin.txt	389075	0644	edit dl rm
change.txt	79214	0644	edit dl rm
channel.txt	50387	0644	edit dl rm
cmdline.txt	50130	0644	edit dl rm
debug.txt	6896	0644	edit dl rm
debugger.txt	5443	0644	edit dl rm
develop.txt	22861	0644	edit dl rm
diff.txt	17515	0644	edit dl rm
digraph.txt	62082	0644	edit dl rm
editing.txt	75319	0644	edit dl rm
eval.txt	178282	0644	edit dl rm
farsi.txt	523	0644	edit dl rm
filetype.txt	27998	0644	edit dl rm
fold.txt	24139	0644	edit dl rm
ft_ada.txt	18246	0644	edit dl rm
ft_ps1.txt	2187	0644	edit dl rm
ft_raku.txt	4183	0644	edit dl rm
ft_rust.txt	9596	0644	edit dl rm
ft_sql.txt	30697	0644	edit dl rm
gui.txt	53076	0644	edit dl rm
gui_w32.txt	19117	0644	edit dl rm
gui_x11.txt	29906	0644	edit dl rm
hangulin.txt	598	0644	edit dl rm
hebrew.txt	5666	0644	edit dl rm
help.txt	9098	0644	edit dl rm
help.txt.vim-tiny	1431	0644	edit dl rm
helphelp.txt	15933	0644	edit dl rm
howto.txt	2916	0644	edit dl rm
if_cscop.txt	19325	0644	edit dl rm
if_lua.txt	18546	0644	edit dl rm
if_mzsch.txt	11941	0644	edit dl rm
if_ole.txt	7361	0644	edit dl rm
if_perl.txt	11281	0644	edit dl rm
if_pyth.txt	38644	0644	edit dl rm
if_ruby.txt	8516	0644	edit dl rm
if_sniff.txt	271	0644	edit dl rm
if_tcl.txt	22941	0644	edit dl rm
indent.txt	41902	0644	edit dl rm
index.txt	81125	0644	edit dl rm
insert.txt	87568	0644	edit dl rm
intro.txt	38934	0644	edit dl rm
map.txt	74464	0644	edit dl rm
mbyte.txt	59640	0644	edit dl rm
message.txt	31671	0644	edit dl rm
mlang.txt	8187	0644	edit dl rm
motion.txt	51891	0644	edit dl rm
netbeans.txt	37982	0644	edit dl rm
options.txt	401254	0644	edit dl rm
os_390.txt	4749	0644	edit dl rm
os_amiga.txt	5466	0644	edit dl rm
os_beos.txt	293	0644	edit dl rm
os_dos.txt	15496	0644	edit dl rm
os_haiku.txt	8496	0644	edit dl rm
os_mac.txt	6856	0644	edit dl rm
os_mint.txt	391	0644	edit dl rm
os_msdos.txt	523	0644	edit dl rm
os_os2.txt	299	0644	edit dl rm
os_qnx.txt	4071	0644	edit dl rm
os_risc.txt	328	0644	edit dl rm
os_unix.txt	2603	0644	edit dl rm
os_vms.txt	32903	0644	edit dl rm
os_win32.txt	14404	0644	edit dl rm
pattern.txt	62949	0644	edit dl rm
pi_getscript.txt	21082	0644	edit dl rm
pi_gzip.txt	1294	0644	edit dl rm
pi_logipat.txt	4196	0644	edit dl rm
pi_netrw.txt	181824	0644	edit dl rm
pi_paren.txt	2274	0644	edit dl rm
pi_spec.txt	4127	0644	edit dl rm
pi_tar.txt	7247	0644	edit dl rm
pi_vimball.txt	11859	0644	edit dl rm
pi_zip.txt	7491	0644	edit dl rm
popup.txt	39689	0644	edit dl rm
print.txt	31209	0644	edit dl rm
quickfix.txt	83331	0644	edit dl rm
quickref.txt	72492	0644	edit dl rm
quotes.txt	12748	0644	edit dl rm
README.Debian	324	0644	edit dl rm
recover.txt	10720	0644	edit dl rm
remote.txt	8420	0644	edit dl rm
repeat.txt	43565	0644	edit dl rm
rileft.txt	4938	0644	edit dl rm
russian.txt	3024	0644	edit dl rm
scroll.txt	13781	0644	edit dl rm
sign.txt	26870	0644	edit dl rm
spell.txt	64095	0644	edit dl rm
sponsor.txt	6803	0644	edit dl rm
starting.txt	73599	0644	edit dl rm
syntax.txt	229795	0644	edit dl rm
tabpage.txt	17248	0644	edit dl rm
tags	362670	0644	edit dl rm
tags.vim-tiny	30	0644	edit dl rm
tagsrch.txt	40278	0644	edit dl rm
term.txt	49822	0644	edit dl rm
terminal.txt	57098	0644	edit dl rm
testing.txt	16678	0644	edit dl rm
textprop.txt	16395	0644	edit dl rm
tips.txt	21089	0644	edit dl rm
todo.txt	307147	0644	edit dl rm
uganda.txt	14028	0644	edit dl rm
undo.txt	16584	0644	edit dl rm
usr_01.txt	7081	0644	edit dl rm
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usr_90.txt	16836	0644	edit dl rm
usr_toc.txt	9505	0644	edit dl rm
various.txt	31483	0644	edit dl rm
version4.txt	13911	0644	edit dl rm
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version6.txt	576942	0644	edit dl rm
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version8.txt	1940466	0644	edit dl rm
vim9.txt	68612	0644	edit dl rm
visual.txt	21846	0644	edit dl rm
vi_diff.txt	57428	0644	edit dl rm
windows.txt	55898	0644	edit dl rm
workshop.txt	371	0644	edit dl rm

Edit: /usr/share/vim/vim82/doc/helphelp.txt (15933B)

*helphelp.txt*	For Vim version 8.2.  Last change: 2021 Dec 13

VIM REFERENCE MANUAL    by Bram Moolenaar

Help on help files					*helphelp*

==============================================================================
1. Help commands					*online-help*

*help* *<Help>* *:h* *:help* *<F1>* *i_<F1>* *i_<Help>*
<Help>		or
:h[elp]			Open a window and display the help file in read-only
			mode.  If there is a help window open already, use
			that one.  Otherwise, if the current window uses the
			full width of the screen or is at least 80 characters
			wide, the help window will appear just above the
			current window.  Otherwise the new window is put at
			the very top.
			The 'helplang' option is used to select a language, if
			the main help file is available in several languages.

*{subject}* *E149* *E661*
:h[elp] {subject}	Like ":help", additionally jump to the tag {subject}.
			For example:  >
				:help options

<			{subject} can include wildcards such as "*", "?" and
			"[a-z]":
			   :help z?	jump to help for any "z" command
			   :help z.	jump to the help for "z."
			But when a tag exists it is taken literally:
			   :help :?	jump to help for ":?"

If there is no full match for the pattern, or there
			are several matches, the "best" match will be used.
			A sophisticated algorithm is used to decide which
			match is better than another one.  These items are
			considered in the computation:
			- A match with same case is much better than a match
			  with different case.
			- A match that starts after a non-alphanumeric
			  character is better than a match in the middle of a
			  word.
			- A match at or near the beginning of the tag is
			  better than a match further on.
			- The more alphanumeric characters match, the better.
			- The shorter the length of the match, the better.

The 'helplang' option is used to select a language, if
			the {subject} is available in several languages.
			To find a tag in a specific language, append "@ab",
			where "ab" is the two-letter language code.  See
			|help-translated|.

Note that the longer the {subject} you give, the less
			matches will be found.  You can get an idea how this
			all works by using commandline completion (type CTRL-D
			after ":help subject" |c_CTRL-D|).
			If there are several matches, you can have them listed
			by hitting CTRL-D.  Example: >
				:help cont<Ctrl-D>

<			Instead of typing ":help CTRL-V" to search for help
			for CTRL-V you can type: >
				:help ^V
<			This also works together with other characters, for
			example to find help for CTRL-V in Insert mode: >
				:help i^V
<
			It is also possible to first do ":help" and then
			use ":tag {pattern}" in the help window.  The
			":tnext" command can then be used to jump to other
			matches, "tselect" to list matches and choose one. >
				:help index
				:tselect /.*mode

<			When there is no argument you will see matches for
			"help", to avoid listing all possible matches (that
			would be very slow).
			The number of matches displayed is limited to 300.

The `:help` command can be followed by '|' and another
			command, but you don't need to escape the '|' inside a
			help command.  So these both work: >
				:help |
				:help k| only
<			Note that a space before the '|' is seen as part of
			the ":help" argument.
			You can also use <NL> or <CR> to separate the help
			command from a following command.  You need to type
			CTRL-V first to insert the <NL> or <CR>.  Example: >
				:help so<C-V><CR>only

:h[elp]! [subject]	Like ":help", but in non-English help files prefer to
			find a tag in a file with the same language as the
			current file.  See |help-translated|.

*:helpc* *:helpclose*
:helpc[lose]		Close one help window, if there is one.
			Vim will try to restore the window layout (including
			cursor position) to the same layout it was before
			opening the help window initially.  This might cause
			triggering several autocommands.

*:helpg* *:helpgrep*
:helpg[rep] {pattern}[@xx]
			Search all help text files and make a list of lines
			in which {pattern} matches.  Jumps to the first match.
			The optional [@xx] specifies that only matches in the
			"xx" language are to be found.
			You can navigate through the matches with the
			|quickfix| commands, e.g., |:cnext| to jump to the
			next one.  Or use |:cwindow| to get the list of
			matches in the quickfix window.
			{pattern} is used as a Vim regexp |pattern|.
			'ignorecase' is not used, add "\c" to ignore case.
			Example for case sensitive search: >
				:helpgrep Uganda
<			Example for case ignoring search: >
				:helpgrep uganda\c
<			Example for searching in French help: >
				:helpgrep backspace@fr
<			The pattern does not support line breaks, it must
			match within one line.  You can use |:grep| instead,
			but then you need to get the list of help files in a
			complicated way.
			Cannot be followed by another command, everything is
			used as part of the pattern.  But you can use
			|:execute| when needed.
			Compressed help files will not be searched (Fedora
			compresses the help files).

*:lh* *:lhelpgrep*
:lh[elpgrep] {pattern}[@xx]
			Same as ":helpgrep", except the location list is used
			instead of the quickfix list.  If the help window is
			already opened, then the location list for that window
			is used.  Otherwise, a new help window is opened and
			the location list for that window is set.  The
			location list for the current window is not changed
			then.

*:exu* *:exusage*
:exu[sage]		Show help on Ex commands.  Added to simulate the Nvi
			command.

*:viu* *:viusage*
:viu[sage]		Show help on Normal mode commands.  Added to simulate
			the Nvi command.

When no argument is given to |:help| the file given with the 'helpfile' option
will be opened.  Otherwise the specified tag is searched for in all "doc/tags"
files in the directories specified in the 'runtimepath' option.

If you would like to open the help in the current window, see this tip:
|help-curwin|.

The initial height of the help window can be set with the 'helpheight' option
(default 20).
						*help-buffer-options*
When the help buffer is created, several local options are set to make sure
the help text is displayed as it was intended:
    'iskeyword'		nearly all ASCII chars except ' ', '*', '"' and '|'
    'foldmethod'	"manual"
    'tabstop'		8
    'arabic'		off
    'binary'		off
    'buflisted'		off
    'cursorbind'	off
    'diff'		off
    'foldenable'	off
    'list'		off
    'modifiable'	off
    'number'		off
    'relativenumber'	off
    'rightleft'		off
    'scrollbind'	off
    'spell'		off

Jump to specific subjects by using tags.  This can be done in two ways:
- Use the "CTRL-]" command while standing on the name of a command or option.
  This only works when the tag is a keyword.  "<C-Leftmouse>" and
  "g<LeftMouse>" work just like "CTRL-]".
- use the ":ta {subject}" command.  This also works with non-keyword
  characters.

Use CTRL-T or CTRL-O to jump back.
Use ":q" to close the help window.

If there are several matches for an item you are looking for, this is how you
can jump to each one of them:
1. Open a help window
2. Use the ":tag" command with a slash prepended to the tag.  E.g.: >
	:tag /min
3. Use ":tnext" to jump to the next matching tag.

It is possible to add help files for plugins and other items.  You don't need
to change the distributed help files for that.  See |add-local-help|.

To write a local help file, see |write-local-help|.

Note that the title lines from the local help files are automagically added to
the "LOCAL ADDITIONS" section in the "help.txt" help file |local-additions|.
This is done when viewing the file in Vim, the file itself is not changed.  It
is done by going through all help files and obtaining the first line of each
file.  The files in $VIMRUNTIME/doc are skipped.

*help-xterm-window*
If you want to have the help in another xterm window, you could use this
command: >
	:!xterm -e vim +help &
<

*:helpfind* *:helpf*
:helpf[ind]		Like |:help|, but use a dialog to enter the argument.
			Only for backwards compatibility.  It now executes the
			ToolBar.FindHelp menu entry instead of using a builtin
			dialog.  {only when compiled with |+GUI_GTK|}

*:helpt* *:helptags*
				*E154* *E150* *E151* *E152* *E153* *E670*
:helpt[ags] [++t] {dir}
			Generate the help tags file(s) for directory {dir}.
			When {dir} is ALL then all "doc" directories in
			'runtimepath' will be used.

All "*.txt" and "*.??x" files in the directory and
			sub-directories are scanned for a help tag definition
			in between stars.  The "*.??x" files are for
			translated docs, they generate the "tags-??" file, see
			|help-translated|.  The generated tags files are
			sorted.
			When there are duplicates an error message is given.
			An existing tags file is silently overwritten.

The optional "++t" argument forces adding the
			"help-tags" tag.  This is also done when the {dir} is
			equal to $VIMRUNTIME/doc.

To rebuild the help tags in the runtime directory
			(requires write permission there): >
				:helptags $VIMRUNTIME/doc

==============================================================================
2. Translated help files				*help-translated*

It is possible to add translated help files, next to the original English help
files.  Vim will search for all help in "doc" directories in 'runtimepath'.
This is only available when compiled with the |+multi_lang| feature.

At this moment translations are available for:
	Chinese  - multiple authors
	French   - translated by David Blanchet
	Italian  - translated by Antonio Colombo
	Japanese - multiple authors
	Polish   - translated by Mikolaj Machowski
	Russian  - translated by Vassily Ragosin
See the Vim website to find them: http://www.vim.org/translations.php

A set of translated help files consists of these files:

help.abx
	howto.abx
	...
	tags-ab

"ab" is the two-letter language code.  Thus for Italian the names are:

help.itx
	howto.itx
	...
	tags-it

The 'helplang' option can be set to the preferred language(s).  The default is
set according to the environment.  Vim will first try to find a matching tag
in the preferred language(s).  English is used when it cannot be found.

To find a tag in a specific language, append "@ab" to a tag, where "ab" is the
two-letter language code.  Example: >
	:he user-manual@it
	:he user-manual@en
The first one finds the Italian user manual, even when 'helplang' is empty.
The second one finds the English user manual, even when 'helplang' is set to
"it".

When using command-line completion for the ":help" command, the "@en"
extension is only shown when a tag exists for multiple languages.  When the
tag only exists for English "@en" is omitted.  When the first candidate has an
"@ab" extension and it matches the first language in 'helplang' "@ab" is also
omitted.

When using |CTRL-]| or ":help!" in a non-English help file Vim will try to
find the tag in the same language.  If not found then 'helplang' will be used
to select a language.

Help files must use latin1 or utf-8 encoding.  Vim assumes the encoding is
utf-8 when finding non-ASCII characters in the first line.  Thus you must
translate the header with "For Vim version".

The same encoding must be used for the help files of one language in one
directory.  You can use a different encoding for different languages and use
a different encoding for help files of the same language but in a different
directory.

Hints for translators:
- Do not translate the tags.  This makes it possible to use 'helplang' to
  specify the preferred language.  You may add new tags in your language.
- When you do not translate a part of a file, add tags to the English version,
  using the "tag@en" notation.
- Make a package with all the files and the tags file available for download.
  Users can drop it in one of the "doc" directories and start use it.
  Report this to Bram, so that he can add a link on www.vim.org.
- Use the |:helptags| command to generate the tags files.  It will find all
  languages in the specified directory.

==============================================================================
3. Writing help files					*help-writing*

For ease of use, a Vim help file for a plugin should follow the format of the
standard Vim help files, except for the first line.  If you are writing a new
help file it's best to copy one of the existing files and use it as a
template.

The first line in a help file should have the following format:

*plugin_name.txt*	{short description of the plugin}

The first field is a help tag where ":help plugin_name" will jump to.  The
remainder of the line, after a Tab, describes the plugin purpose in a short
way.  This will show up in the "LOCAL ADDITIONS" section of the main help
file.  Check there that it shows up properly: |local-additions|.

If you want to add a version number or last modification date, put it in the
second line, right aligned.

At the bottom of the help file, place a Vim modeline to set the 'textwidth'
and 'tabstop' options and the 'filetype' to "help".  Never set a global option
in such a modeline, that can have undesired consequences.