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diff --git a/runtime/doc/hebrew.txt b/runtime/doc/hebrew.txt new file mode 100644 index 0000000..f2c3a3d --- /dev/null +++ b/runtime/doc/hebrew.txt @@ -0,0 +1,142 @@ +*hebrew.txt* For Vim version 8.1. Last change: 2007 Jun 14 + + + VIM REFERENCE MANUAL by Ron Aaron (and Avner Lottem) + + +Hebrew Language support (options & mapping) for Vim *hebrew* + +The supporting 'rightleft' functionality was originally created by Avner +Lottem. <alottem at gmail dot com> Ron Aaron <ron at ronware dot org> is +currently helping support these features. + +{Vi does not have any of these commands} + +All this is only available when the |+rightleft| feature was enabled at +compile time. + + +Introduction +------------ +Hebrew-specific options are 'hkmap', 'hkmapp' 'keymap'=hebrew and 'aleph'. +Hebrew-useful options are 'delcombine', 'allowrevins', 'revins', 'rightleft' +and 'rightleftcmd'. + +The 'rightleft' mode reverses the display order, so characters are displayed +from right to left instead of the usual left to right. This is useful +primarily when editing Hebrew or other Middle-Eastern languages. +See |rileft.txt| for further details. + +Details +-------------- ++ Options: + + 'rightleft' ('rl') sets window orientation to right-to-left. This means + that the logical text 'ABC' will be displayed as 'CBA', and will start + drawing at the right edge of the window, not the left edge. + + 'hkmap' ('hk') sets keyboard mapping to Hebrew, in insert/replace modes. + + 'aleph' ('al'), numeric, holds the decimal code of Aleph, for keyboard + mapping. + + 'hkmapp' ('hkp') sets keyboard mapping to 'phonetic hebrew' + + NOTE: these three ('hkmap', 'hkmapp' and 'aleph') are obsolete. You should + use ":set keymap=hebrewp" instead. + + + 'delcombine' ('deco'), boolean, if editing UTF-8 encoded Hebrew, allows + one to remove the niqud or te`amim by pressing 'x' on a character (with + associated niqud). + + + 'rightleftcmd' ('rlc') makes the command-prompt for searches show up on + the right side. It only takes effect if the window is 'rightleft'. + ++ Encoding: + + Under Unix, ISO 8859-8 encoding (Hebrew letters codes: 224-250). + + Under MS DOS, PC encoding (Hebrew letters codes: 128-154). + These are defaults, that can be overridden using the 'aleph' option. + + You should prefer using UTF8, as it supports the combining-characters + ('deco' does nothing if UTF8 encoding is not active). + ++ Vim arguments: + + 'vim -H file' starts editing a Hebrew file, i.e. 'rightleft' and 'hkmap' + are set. + ++ Keyboard: + + The 'allowrevins' option enables the CTRL-_ command in Insert mode and + in Command-line mode. + + + CTRL-_ in insert/replace modes toggles 'revins' and 'hkmap' as follows: + + When in rightleft window, 'revins' and 'nohkmap' are toggled, since + English will likely be inserted in this case. + + When in norightleft window, 'revins' 'hkmap' are toggled, since Hebrew + will likely be inserted in this case. + + CTRL-_ moves the cursor to the end of the typed text. + + + CTRL-_ in command mode only toggles keyboard mapping (see Bugs below). + This setting is independent of 'hkmap' option, which only applies to + insert/replace mode. + + Note: On some keyboards, CTRL-_ is mapped to CTRL-?. + + + Keyboard mapping while 'hkmap' is set (standard Israeli keyboard): + + q w e r t y u i o p + / ' ק ר א ט ו ן ם פ + + a s d f g h j k l ; ' + ש ד ג כ ע י ח ל ך ף , + + z x c v b n m , . / + ז ס ב ה נ מ צ ת ץ . + + This is also the keymap when 'keymap=hebrew' is set. The advantage of + 'keymap' is that it works properly when using UTF8, e.g. it inserts the + correct characters; 'hkmap' does not. The 'keymap' keyboard can also + insert niqud and te`amim. To see what those mappings are, look at the + keymap file 'hebrew.vim' etc. + + +Typing backwards + +If the 'revins' (reverse insert) option is set, inserting happens backwards. +This can be used to type Hebrew. When inserting characters the cursor is not +moved and the text moves rightwards. A <BS> deletes the character under the +cursor. CTRL-W and CTRL-U also work in the opposite direction. <BS>, CTRL-W +and CTRL-U do not stop at the start of insert or end of line, no matter how +the 'backspace' option is set. + +There is no reverse replace mode (yet). + +If the 'showmode' option is set, "-- REVERSE INSERT --" will be shown in the +status line when reverse Insert mode is active. + +When the 'allowrevins' option is set, reverse Insert mode can be also entered +via CTRL-_, which has some extra functionality: First, keyboard mapping is +changed according to the window orientation -- if in a left-to-right window, +'revins' is used to enter Hebrew text, so the keyboard changes to Hebrew +('hkmap' is set); if in a right-to-left window, 'revins' is used to enter +English text, so the keyboard changes to English ('hkmap' is reset). Second, +when exiting 'revins' via CTRL-_, the cursor moves to the end of the typed +text (if possible). + + +Pasting when in a rightleft window +---------------------------------- +When cutting text with the mouse and pasting it in a rightleft window +the text will be reversed, because the characters come from the cut buffer +from the left to the right, while inserted in the file from the right to +the left. In order to avoid it, toggle 'revins' (by typing CTRL-? or CTRL-_) +before pasting. + + +Hebrew characters and the 'isprint' variable +-------------------------------------------- +Sometimes Hebrew character codes are in the non-printable range defined by +the 'isprint' variable. For example in the Linux console, the Hebrew font +encoding starts from 128, while the default 'isprint' variable is @,161-255. +The result is that all Hebrew characters are displayed as ~x. To solve this +problem, set isprint=@,128-255. + + + vim:tw=78:ts=8:noet:ft=help:norl: |