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vim-patch:8.1.0932: remove Farsi support (#9622)

Browse Source 
Problem:    Farsi support is outdated and unused.
Solution:   Delete the Farsi support.
14184a3133
This commit is contained in:
Justin M. Keyes
2019-02-17 10:54:00 +01:00
committed by GitHub
parent dc9dd8d664
commit 33ce70c883
29 changed files with 64 additions and 2911 deletions
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9
runtime/doc/cmdline.txt
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@@ -250,20 +250,13 @@ CTRL-A command-line completion (see |cmdline-completion|)
CTRL-L command-line completion (see |cmdline-completion|)
*c_CTRL-_*
CTRL-_ a - switch between Hebrew and English keyboard mode, which is
CTRL-_ Switch between Hebrew and English keyboard mode, which is
private to the command-line and not related to hkmap.
This is useful when Hebrew text entry is required in the
command-line, searches, abbreviations, etc. Applies only if
the 'allowrevins' option is set.
See |rileft.txt|.
b - switch between Farsi and English keyboard mode, which is
private to the command-line and not related to fkmap. In
Farsi keyboard mode the characters are inserted in reverse
insert manner. This is useful when Farsi text entry is
required in the command-line, searches, abbreviations, etc.
See |farsi.txt|.
*c_CTRL-^*
CTRL-^ Toggle the use of language |:lmap| mappings and/or Input
Method.

1
runtime/doc/eval.txt
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@@ -8488,7 +8488,6 @@ eval Compiled with expression evaluation support. Always
ex_extra |+ex_extra|, always true now
extra_search Compiled with support for |'incsearch'| and
|'hlsearch'|
farsi Compiled with Farsi support |farsi|.
file_in_path Compiled with support for |gf| and |<cfile>|
filterpipe When 'shelltemp' is off pipes are used for shell
read/write/filter commands

208
runtime/doc/farsi.txt
View File

@@ -1,208 +0,0 @@
*farsi.txt* Nvim
VIM REFERENCE MANUAL by Mortaza Ghassab Shiran
Right to Left and Farsi Mapping for Vim *farsi* *Farsi*
These functions have been made by Mortaza G. Shiran <shiran@jps.net>
Introduction
------------
In right-to-left oriented files the characters appear on the screen from right
to left. This kind of file is most useful when writing Farsi documents,
composing faxes or writing Farsi memos.
The commands, prompts and help files are not in Farsi, therefore the user
interface remains the standard Vi interface.
Highlights
----------
o Editing left-to-right files as in the original Vim, no change.
o Viewing and editing files in right-to-left windows. File orientation is
per window, so it is possible to view the same file in right-to-left and
left-to-right modes, simultaneously.
o Compatibility to the original Vim. Almost all features work in
right-to-left mode (see bugs below).
o Changing keyboard mapping and reverse insert modes using a single
command.
o Backing from reverse insert mode to the correct place in the file
(if possible).
o While in Farsi mode, numbers are entered from left to right. Upon entering
a none number character, that character will be inserted just into the
left of the last number.
o No special terminal with right-to-left capabilities is required. The
right-to-left changes are completely hardware independent. Only
Farsi font is necessary.
o Farsi keymapping on the command line in reverse insert mode.
o Toggling between left-to-right and right-to-left via F8 function key.
o Toggling between Farsi ISIR-3342 standard encoding and Vim Farsi via F9
function key. Since this makes sense only for the text written in
right-to-left mode, this function is also supported only in right-to-left
mode.
Usage
-----
Prior to starting Vim, the environment in which Vim can run in Farsi mode,
must be set. In addition to installation of Farsi fonts, following points
refer to some of the system environments, which you may need to set:
Key code mapping, loading graphic card in ASCII screen mode, setting the IO
driver in 8 bit clean mode ... .
o Setting the Farsi fonts
+ For Vim GUI set the 'guifont' to far-a01. This is done by entering
':set guifont=far-a01' in the Vim window.
You can have 'guifont' set to far-a01 by Vim during the Vim startup
by appending the ':set guifont=far-a01' into your vimrc file.
Under the X Window environment, you can also start Vim with the
'-fn far-a01' option.
+ For Vim within a xterm, start a xterm with the Farsi fonts (e.g.
kterm -fn far-a01). Then start Vim inside the kterm.
+ For Vim under DOS, prior to the first usage of Vim, upload the Farsi
fonts by executing the far-a01.com fonts uploading program.
o Farsi Keymapping Activation
To activate the Farsi keymapping, set either 'altkeymap' or 'fkmap'.
This is done by entering ':set akm' or ':set fk' in the Vim window.
You can have 'altkeymap' or 'fkmap' set as default by appending ':set akm'
or ':set fk' in your vimrc file.
To turn off the Farsi keymapping as a default second language keymapping,
reset the 'altkeymap' by entering ':set noakm'.
o right-to-left Farsi Mode
By default Vim starts in Left-to-right mode. Following are ways to change
the window orientation:
+ Start Vim with the -F option (e.g. vim -F ...).
+ Use the F8 function key to toggle between left-to-right and right-to-left.
+ While in Left-to-right mode, enter 'set rl' in the command line ('rl' is
the abbreviation for rightleft).
+ Put the 'set rl' line in your vimrc file to start Vim in right-to-left
mode permanently.
Encoding
--------
The letter encoding used is the Vim extended ISIR-3342 standard with a built
in function to convert between Vim extended ISIR-3342 and ISIR-3342 standard.
For document portability reasons, the letter encoding is kept the same across
different platforms (i.e. Unix, Windows, ...).
o Keyboard
+ CTRL-_ in insert/replace modes toggles between Farsi(akm)/Latin
mode as follows:
+ CTRL-_ moves the cursor to the end of the typed text in edit mode.
+ CTRL-_ in command mode only toggles keyboard mapping between Farsi(akm)/
Latin. The Farsi text is then entered in reverse insert mode.
+ F8 - Toggles between left-to-right and right-to-left.
+ F9 - Toggles the encoding between ISIR-3342 standard and Vim extended
ISIR-3342 (supported only in right-to-left mode).
+ Keyboard mapping is based on the Iranian ISIRI-2901 standard.
Following table shows the keyboard mapping while Farsi(akm) mode set:
-------------------------------------
` 1 2 3 4 5 6 7 8 9 0 - =
<09> <20> <20> <20> <20> <20> <20> <20> <20> <20> <20> <20> <20>
-------------------------------------
~ ! @ # $ % ^ & * ( ) _ +
~ <20> <20> <20> <20> <20> <20> <20> <20> <20> <20> <20> <20>
-------------------------------------
q w e r t z u i o p [ ]
<09> <20> <20> <20> <20> <20> <20> <20> <20> <20> <20> <20>
-------------------------------------
Q W E R T Z U I O P { }
<09> <20> <20> <20> <20> <20> <20> <20> [ ] { }
-------------------------------------
a s d f g h j k l ; ' \
<09> <20> <20> <20> <20> <20> <20> <20> <20> <20> <20> <20>
-------------------------------------
A S D F G H J K L : " |
<09> <20><> <20> <20> <20> <20> <20> <20> <20> <20> <20> <20>
-------------------------------------
< y x c v b n m , . /
<09> <20> <20> <20> <20> <20> <20> <20> <20> <20> <20>
-------------------------------------
> Y X C V B N M < > ?
<09> <20> <20> <20> <20> <20> <20> <20> <20> <20> <20>
-------------------------------------
Note:
<09> stands for Farsi PSP (break without space)
<09> stands for Farsi PCN (for HAMZE attribute)
Restrictions
------------
o In insert/replace mode and fkmap (Farsi mode) set, CTRL-B is not
supported.
o If you change the character mapping between Latin/Farsi, the redo buffer
will be reset (emptied). That is, redo is valid and will function (using
'.') only within the mode you are in.
o While numbers are entered in Farsi mode, the redo buffer will be reset
(emptied). That is, you cannot redo the last changes (using '.') after
entering numbers.
o While in left-to-right mode and Farsi mode set, CTRL-R is not supported.
o While in right-to-left mode, the search on 'Latin' pattern does not work,
except if you enter the Latin search pattern in reverse.
o In command mode there is no support for entering numbers from left
to right and also for the sake of flexibility the keymapping logic is
restricted.
o Under the X Window environment, if you want to run Vim within a xterm
terminal emulator and Farsi mode set, you need to have an ANSI compatible
xterm terminal emulator. This is because the letter codes above 128 decimal
have certain meanings in the standard xterm terminal emulator.
Note: Under X Window environment, Vim GUI works fine in Farsi mode.
This eliminates the need of any xterm terminal emulator.
Bugs
----
While in insert/replace and Farsi mode set, if you repeatedly change the
cursor position (via cursor movement) and enter new text and then try to undo
the last change, the undo will lag one change behind. But as you continue to
undo, you will reach the original line of text. You can also use U to undo all
changes made in the current line.
For more information about the bugs refer to rileft.txt.
vim:tw=78:ts=8:noet:ft=help:norl:

1
runtime/doc/help.txt
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@@ -137,7 +137,6 @@ Special issues ~
|mbyte.txt| multi-byte text support
|mlang.txt| non-English language support
|arabic.txt| Arabic language support and editing
|farsi.txt| Farsi (Persian) editing
|hebrew.txt| Hebrew language support and editing
|russian.txt| Russian language support and editing
|ft_ada.txt| Ada (the programming language) support

4
runtime/doc/index.txt
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@@ -92,7 +92,7 @@ tag char action in Insert mode ~
|i_CTRL-]| CTRL-] trigger abbreviation
|i_CTRL-^| CTRL-^ toggle use of |:lmap| mappings
|i_CTRL-_| CTRL-_ When 'allowrevins' set: change language
(Hebrew, Farsi)
(Hebrew)
<Space> to '~' not used, except '0' and '^' followed by
CTRL-D
@@ -1029,7 +1029,7 @@ tag command action in Command-line editing mode ~
|c_CTRL-]| CTRL-] trigger abbreviation
|c_CTRL-^| CTRL-^ toggle use of |:lmap| mappings
|c_CTRL-_| CTRL-_ when 'allowrevins' set: change language
(Hebrew, Farsi)
(Hebrew)
|c_<Del>| <Del> delete the character under the cursor
|c_<Left>| <Left> cursor left

20
runtime/doc/options.txt
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@@ -561,17 +561,6 @@ A jump table for the options with a short description can be found at |Q_op|.
into reverse Insert mode, and don't know how to get out. See
'revins'.
*'altkeymap'* *'akm'* *'noaltkeymap'* *'noakm'*
'altkeymap' 'akm' boolean (default off)
global
When on, the second language is Farsi. In editing mode CTRL-_ toggles
the keyboard map between Farsi and English, when 'allowrevins' set.
When off, the keyboard map toggles between Hebrew and English. This
is useful to start the Vim in native mode i.e. English (left-to-right
mode) and have default second language Farsi or Hebrew (right-to-left
mode). See |farsi.txt|.
*'ambiwidth'* *'ambw'*
'ambiwidth' 'ambw' string (default: "single")
global
@@ -2397,13 +2386,6 @@ A jump table for the options with a short description can be found at |Q_op|.
matter.
See the 'endofline' option.
*'fkmap'* *'fk'* *'nofkmap'* *'nofk'*
'fkmap' 'fk' boolean (default off) *E198*
global
When on, the keyboard is mapped for the Farsi character set.
Normally you would set 'allowrevins' and use CTRL-_ in insert mode to
toggle this option |i_CTRL-_|. See |farsi.txt|.
*'foldclose'* *'fcl'*
'foldclose' 'fcl' string (default "")
global
@@ -4635,7 +4617,7 @@ A jump table for the options with a short description can be found at |Q_op|.
search "/" and "?" commands
This is useful for languages such as Hebrew, Arabic and Farsi.
This is useful for languages such as Hebrew and Arabic.
The 'rightleft' option must be set for 'rightleftcmd' to take effect.
*'ruler'* *'ru'* *'noruler'* *'noru'*

3
runtime/doc/quickref.txt
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@@ -597,7 +597,6 @@ In Insert or Command-line mode:
Short explanation of each option: *option-list*
'aleph' 'al' ASCII code of the letter Aleph (Hebrew)
'allowrevins' 'ari' allow CTRL-_ in Insert and Command-line mode
'altkeymap' 'akm' for default second language (Farsi/Hebrew)
'ambiwidth' 'ambw' what to do with Unicode chars of ambiguous width
'autochdir' 'acd' change directory to the file in the current window
'arabic' 'arab' for Arabic as a default second language
@@ -688,7 +687,6 @@ Short explanation of each option: *option-list*
'filetype' 'ft' type of file, used for autocommands
'fillchars' 'fcs' characters to use for displaying special items
'fixendofline' 'fixeol' make sure last line in file has <EOL>
'fkmap' 'fk' Farsi keyboard mapping
'foldclose' 'fcl' close a fold when the cursor leaves it
'foldcolumn' 'fdc' width of the column used to indicate folds
'foldenable' 'fen' set to display all folds open
@@ -1122,7 +1120,6 @@ Context-sensitive completion on the command-line:
|-b| -b binary mode
|-l| -l lisp mode
|-A| -A Arabic mode ('arabic' is set)
|-F| -F Farsi mode ('fkmap' and 'rightleft' are set)
|-H| -H Hebrew mode ('hkmap' and 'rightleft' are set)
|-V| -V Verbose, give informative messages
|-r| -r give list of swap files

3
runtime/doc/rileft.txt
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@@ -53,8 +53,7 @@ o No special terminal with right-to-left capabilities is required. The
o Many languages use and require right-to-left support. These languages
can quite easily be supported given the inclusion of their required
keyboard mappings and some possible minor code change. Some of the
current supported languages include - |arabic.txt|, |farsi.txt| and
|hebrew.txt|.
current supported languages include - |arabic.txt| and |hebrew.txt|.
Of Interest...

3
runtime/doc/starting.txt
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@@ -231,9 +231,6 @@ argument.
*-A*
-A Arabic mode. Sets the 'arabic' option on.
*-F*
-F Farsi mode. Sets the 'fkmap' and 'rightleft' options on.
*-H*
-H Hebrew mode. Sets the 'hkmap' and 'rightleft' options on.

1
runtime/doc/various.txt
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@@ -330,7 +330,6 @@ N *+digraphs* |digraphs| *E196*
N *+eval* expression evaluation |eval.txt|
N *+ex_extra* always on now, used to be for Vim's extra Ex commands
N *+extra_search* |'hlsearch'| and |'incsearch'| options.
B *+farsi* |farsi| language
N *+file_in_path* |gf|, |CTRL-W_f| and |<cfile>|
N *+find_in_path* include file searches: |[I|, |:isearch|,
|CTRL-W_CTRL-I|, |:checkpath|, etc.

6
runtime/optwin.vim
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@@ -1141,12 +1141,6 @@ if has("rightleft")
call append("$", "hkmapp\tuse phonetic Hebrew keyboard mapping")
call <SID>BinOptionG("hkp", &hkp)
endif
if has("farsi")
call append("$", "altkeymap\tuse Farsi as the second language when 'revins' is set")
call <SID>BinOptionG("akm", &akm)
call append("$", "fkmap\tuse Farsi keyboard mapping")
call <SID>BinOptionG("fk", &fk)
endif
if has("arabic")
call append("$", "arabic\tprepare for editing Arabic text")
call append("$", "\t(local to window)")