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