Mercurial > vim
annotate runtime/doc/rileft.txt @ 11910:2481701df9ef v8.0.0835
patch 8.0.0835: translations check with msgfmt does not work
commit https://github.com/vim/vim/commit/65cedb2074ce550d20a3069c200e2a5d4061d3f6
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Aug 1 18:52:55 2017 +0200
patch 8.0.0835: translations check with msgfmt does not work
Problem: Translations check with msgfmt does not work.
Solution: Add a space before the file name.
author | Christian Brabandt <cb@256bit.org> |
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date | Tue, 01 Aug 2017 19:00:04 +0200 |
parents | 9f48eab77d62 |
children | 1174611ad715 |
rev | line source |
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10198
9f48eab77d62
commit https://github.com/vim/vim/commit/bb76f24af2010943387ce696a7092175b4ecccf2
Christian Brabandt <cb@256bit.org>
parents:
5294
diff
changeset
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1 *rileft.txt* For Vim version 8.0. Last change: 2006 Apr 24 |
7 | 2 |
3 | |
4 VIM REFERENCE MANUAL by Avner Lottem | |
5 updated by Nadim Shaikli | |
6 | |
7 | |
8 Right to Left display mode for Vim *rileft* | |
9 | |
10 | |
11 These functions were originally created by Avner Lottem: | |
12 E-mail: alottem@iil.intel.com | |
13 Phone: +972-4-8307322 | |
14 | |
15 {Vi does not have any of these commands} | |
16 | |
17 *E26* | |
2570
71b56b4e7785
Make the references to features in the help more consistent. (Sylvain Hitier)
Bram Moolenaar <bram@vim.org>
parents:
2561
diff
changeset
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18 {only available when compiled with the |+rightleft| feature} |
7 | 19 |
20 | |
21 Introduction | |
22 ------------ | |
23 Some languages such as Arabic, Farsi, Hebrew (among others) require the | |
24 ability to display their text from right-to-left. Files in those languages | |
25 are stored conventionally and the right-to-left requirement is only a | |
26 function of the display engine (per the Unicode specification). In | |
27 right-to-left oriented files the characters appear on the screen from | |
28 right to left. | |
29 | |
30 Bidirectionality (or bidi for short) is what Unicode offers as a full | |
31 solution to these languages. Bidi offers the user the ability to view | |
32 both right-to-left as well as left-to-right text properly at the same time | |
33 within the same window. Vim currently, due to simplicity, does not offer | |
34 bidi and is merely opting to present a functional means to display/enter/use | |
35 right-to-left languages. An older hybrid solution in which direction is | |
36 encoded for every character (or group of characters) are not supported either | |
37 as this kind of support is out of the scope of a simple addition to an | |
236 | 38 existing editor (and it's not sanctioned by Unicode either). |
7 | 39 |
40 | |
41 Highlights | |
42 ---------- | |
43 o Editing left-to-right files as in the original Vim, no change. | |
44 | |
45 o Viewing and editing files in right-to-left windows. File orientation | |
46 is per window, so it is possible to view the same file in right-to-left | |
47 and left-to-right modes, simultaneously. (Useful for editing mixed files | |
48 in which both right-to-left and left-to-right text exist). | |
49 | |
50 o Compatibility to the original Vim. Almost all features work in | |
51 right-to-left mode (see Bugs below). | |
52 | |
53 o Backing from reverse insert mode to the correct place in the file | |
54 (if possible). | |
55 | |
56 o No special terminal with right-to-left capabilities is required. The | |
57 right-to-left changes are completely hardware independent. | |
58 | |
59 o Many languages use and require right-to-left support. These languages | |
60 can quite easily be supported given the inclusion of their required | |
61 keyboard mappings and some possible minor code change. Some of the | |
62 current supported languages include - |arabic.txt|, |farsi.txt| and | |
63 |hebrew.txt|. | |
64 | |
65 | |
66 Of Interest... | |
67 -------------- | |
68 | |
69 o Invocations | |
70 ----------- | |
71 + 'rightleft' ('rl') sets window orientation to right-to-left. | |
72 + 'delcombine' ('deco'), boolean, if editing UTF-8 encoded languages, | |
73 allows one to remove a composing character which gets superimposed | |
74 on those that proceeded them (some languages require this). | |
75 + 'rightleftcmd' ('rlc') sets the command-line within certain modes | |
76 (such as search) to be utilized in right-to-left orientation as well. | |
77 | |
78 o Typing backwards *ins-reverse* | |
79 ---------------- | |
80 In lieu of using full-fledged the 'rightleft' option, one can opt for | |
81 reverse insertion. When the 'revins' (reverse insert) option is set, | |
82 inserting happens backwards. This can be used to type right-to-left | |
83 text. When inserting characters the cursor is not moved and the text | |
84 moves rightwards. A <BS> deletes the character under the cursor. | |
85 CTRL-W and CTRL-U also work in the opposite direction. <BS>, CTRL-W | |
86 and CTRL-U do not stop at the start of insert or end of line, no matter | |
87 how the 'backspace' option is set. | |
88 | |
89 There is no reverse replace mode (yet). | |
90 | |
91 If the 'showmode' option is set, "-- REVERSE INSERT --" will be shown | |
92 in the status line when reverse Insert mode is active. | |
93 | |
94 o Pasting when in a rightleft window | |
95 ---------------------------------- | |
96 When cutting text with the mouse and pasting it in a rightleft window | |
97 the text will be reversed, because the characters come from the cut buffer | |
98 from the left to the right, while inserted in the file from the right to | |
99 the left. In order to avoid it, toggle 'revins' before pasting. | |
100 | |
101 | |
102 Bugs | |
103 ---- | |
104 o Does not handle CTRL-A and CTRL-X commands (add and subtract) correctly | |
105 when in rightleft window. | |
106 | |
107 o Does not support reverse insert and rightleft modes on the command-line. | |
108 However, functionality of the editor is not reduced, because it is | |
109 possible to enter mappings, abbreviations and searches typed from the | |
110 left to the right on the command-line. | |
111 | |
112 o Somewhat slower in right-to-left mode, because right-to-left motion is | |
113 emulated inside Vim, not by the controlling terminal. | |
114 | |
115 o When the Athena GUI is used, the bottom scrollbar works in the wrong | |
116 direction. This is difficult to fix. | |
117 | |
118 o When both 'rightleft' and 'revins' are on: 'textwidth' does not work. | |
119 Lines do not wrap at all; you just get a single, long line. | |
120 | |
121 o There is no full bidirectionality (bidi) support. | |
122 | |
123 | |
124 vim:tw=78:ts=8:ft=help:norl: |