356 lines
14 KiB
Text
356 lines
14 KiB
Text
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*version4.txt* For Vim version 7.4. Last change: 2006 Apr 24
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VIM REFERENCE MANUAL by Bram Moolenaar
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This document lists the incompatible differences between Vim 3.0 and Vim 4.0.
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Although 4.0 is mentioned here, this is also for version 4.1, 4.2, etc..
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This file is important for everybody upgrading from Vim 3.0. Read it
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carefully to avoid unexpected problems.
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'backup' option default changed |backup-changed|
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Extension for backup file changed |backup-extension|
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Structure of swap file changed |swapfile-changed|
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"-w scriptout" argument changed |scriptout-changed|
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Backspace and Delete keys |backspace-delete|
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Escape for | changed |escape-bar|
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Key codes changed |key-codes-changed|
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Terminal options changed |termcap-changed|
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'errorformat' option changed |errorformat-changed|
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'graphic' option gone |graphic-option-gone|
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'yankendofline' option gone |ye-option-gone|
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'icon' and 'title' default value changed |icon-changed|
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'highlight' option changed |highlight-changed|
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'tildeop' and 'weirdinvert' short names changed |short-name-changed|
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Use of "v", "V" and "CTRL-V" in Visual mode |use-visual-cmds|
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CTRL-B in Insert mode removed |toggle-revins|
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'backup' option default changed *backup-changed*
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-------------------------------
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The default value for 'backup' used to be on. This resulted in a backup file
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being made when the original file was overwritten.
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Now the default for 'backup' is off. As soon as the writing of the file has
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successfully finished, the backup file is deleted. If you want to keep the
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backup file, set 'backup' on in your vimrc. The reason for this change is
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that many people complained that leaving a backup file behind is not
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Vi-compatible. |'backup'|
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Extension for backup file changed *backup-extension*
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---------------------------------
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The extension for the backup file used to be ".bak". Since other programs
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also use this extension and some users make copies with this extension, it was
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changed to the less obvious "~". Another advantage is that this takes less
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space, which is useful when working on a system with short file names. For
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example, on MS-DOS the backup files for "longfile.c" and "longfile.h" would
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both become "longfile.bak"; now they will be "longfile.c~" and "longfile.h~".
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If you prefer to use ".bak", you can set the 'backupext' option: >
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:set bex=.bak
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Structure of swap file changed *swapfile-changed*
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------------------------------
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The contents of the swap file were extended with several parameters. Vim
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stores the user name and other information about the edited file to make
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recovery more easy and to be able to know where the swap file comes from. The
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first part of the swap file can now be understood on a machine with a
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different byte order or sizeof(int). When you try to recover a file on such a
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machine, you will get an error message that this is not possible.
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Because of this change, swap files cannot be exchanged between 3.0 and 4.0.
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If you have a swap file from a crashed session with 3.0, use Vim 3.0 to
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recover the file---don't use 4.0. |swap-file|
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"-w scriptout" argument changed *scriptout-changed*
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-------------------------------
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"vim -w scriptout" used to append to the scriptout file. Since this was
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illogical, it now creates a new file. An existing file is not overwritten
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(to avoid destroying an existing file for those who rely on the appending).
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[This was removed again later] |-w|
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Backspace and Delete keys *backspace-delete*
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-------------------------
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In 3.0 both the delete key and the backspace key worked as a backspace in
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insert mode; they deleted the character to the left of the cursor. In 4.0 the
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delete key has a new function: it deletes the character under the cursor, just
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like it does on the command-line. If the cursor is after the end of the line
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and 'bs' is set, two lines are joined. |<Del>| |i_<Del>|
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In 3.0 the backspace key was always defined as CTRL-H and delete as CTRL-?.
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In 4.0 the code for the backspace and delete key is obtained from termcap or
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termlib, and adjusted for the "stty erase" value on Unix. This helps people
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who define the erase character according to the keyboard they are working on.
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|<BS>| |i_<BS>|
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If you prefer backspace and delete in Insert mode to have the old behavior,
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put this line in your vimrc:
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inoremap ^? ^H
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And you may also want to add these, to fix the values for <BS> and <Del>:
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set t_kb=^H
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set t_kD=^?
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(Enter ^H with CTRL-V CTRL-H and ^? with CTRL-V CTRL-? or <Del>.)
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If the value for t_kb is correct, but the t_kD value is not, use the ":fixdel"
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command. It will set t_kD according to the value of t_kb. This is useful if
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you are using several different terminals. |:fixdel|
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When ^H is not recognized as <BS> or <Del>, it is used like a backspace.
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Escape for | changed *escape-bar*
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--------------------
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When the 'b' flag is present in 'cpoptions', the backslash cannot be used to
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escape '|' in mapping and abbreviate commands, only CTRL-V can. This is
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Vi-compatible. If you work in Vi-compatible mode and had used "\|" to include
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a bar in a mapping, this needs to be replaced by "^V|". See |:bar|.
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Key codes changed *key-codes-changed*
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-----------------
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The internal representation of key codes has changed dramatically. In 3.0 a
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one-byte code was used to represent a key. This caused problems with
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different characters sets that also used these codes. In 4.0 a three-byte
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code is used that cannot be confused with a character. |key-notation|
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If you have used the single-byte key codes in your vimrc for mappings, you
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will have to replace them with the 4.0 codes. Instead of using the three-byte
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code directly, you should use the symbolic representation for this in <>. See
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the table below. The table also lists the old name, as it was used in the 3.0
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documentation.
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The key names in <> can be used in mappings directly. This makes it possible
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to copy/paste examples or type them literally. The <> notation has been
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introduced for this |<>|. The 'B' and '<' flags must not be present in
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'cpoptions' to enable this to work |'cpoptions'|.
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old name new name old code old MS-DOS code ~
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hex dec hex dec ~
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<ESC> <Esc>
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<TAB> <Tab>
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<LF> <NL> <NewLine> <LineFeed>
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<SPACE> <Space>
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<NUL> <Nul>
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<BELL> <Bell>
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<BS> <BS> <BackSpace>
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<INSERT> <Insert>
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<DEL> <Del> <Delete>
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<HOME> <Home>
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<END> <End>
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<PAGE_UP> <PageUp>
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<PAGE_DOWN> <PageDown>
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<C_UP> <Up> 0x80 128 0xb0 176
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<C_DOWN> <Down> 0x81 129 0xb1 177
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<C_LEFT> <Left> 0x82 130 0xb2 178
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<C_RIGHT> <Right> 0x83 131 0xb3 179
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<SC_UP> <S-Up> 0x84 132 0xb4 180
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<SC_DOWN> <S-Down> 0x85 133 0xb5 181
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<SC_LEFT> <S-Left> 0x86 134 0xb6 182
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<SC_RIGHT> <S-Right> 0x87 135 0xb7 183
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<F1> <F1> 0x88 136 0xb8 184
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<F2> <F2> 0x89 137 0xb9 185
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<F3> <F3> 0x8a 138 0xba 186
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<F4> <F4> 0x8b 139 0xbb 187
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<F5> <F5> 0x8c 140 0xbc 188
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<F6> <F6> 0x8d 141 0xbd 189
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<F7> <F7> 0x8e 142 0xbe 190
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<F8> <F8> 0x8f 143 0xbf 191
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<F9> <F9> 0x90 144 0xc0 192
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<F10> <F10> 0x91 145 0xc1 193
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<SF1> <S-F1> 0x92 146 0xc2 194
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<SF2> <S-F2> 0x93 147 0xc3 195
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<SF3> <S-F3> 0x94 148 0xc4 196
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<SF4> <S-F4> 0x95 149 0xc5 197
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<SF5> <S-F5> 0x96 150 0xc6 198
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<SF6> <S-F6> 0x97 151 0xc7 199
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<SF7> <S-F7> 0x98 152 0xc8 200
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<SF8> <S-F8> 0x99 153 0xc9 201
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<SF9> <S-F9> 0x9a 154 0xca 202
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<SF10> <S-F10> 0x9b 155 0xcb 203
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<HELP> <Help> 0x9c 156 0xcc 204
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<UNDO> <Undo> 0x9d 157 0xcd 205
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(not used) 0x9e 158 0xce 206
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(not used) 0x9f 159 0xcf 207
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Terminal options changed *termcap-changed*
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------------------------
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The names of the terminal options have been changed to match the termcap names
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of these options. All terminal options now have the name t_xx, where xx is
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the termcap name. Normally these options are not used, unless you have a
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termcap entry that is wrong or incomplete, or you have set the highlight
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options to a different value. |terminal-options|
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Note that for some keys there is no termcap name. Use the <> type of name
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instead, which is a good idea anyway.
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Note that "t_ti" has become "t_mr" (invert/reverse output) and "t_ts" has
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become "t_ti" (init terminal mode). Be careful when you use "t_ti"!
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old name new name meaning ~
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t_cdl t_DL delete number of lines *t_cdl*
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t_ci t_vi cursor invisible *t_ci*
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t_cil t_AL insert number of lines *t_cil*
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t_cm t_cm move cursor
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t_cri t_RI cursor number of chars right *t_cri*
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t_cv t_ve cursor visible *t_cv*
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t_cvv t_vs cursor very visible *t_cvv*
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t_dl t_dl delete line
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t_cs t_cs scroll region
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t_ed t_cl clear display *t_ed*
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t_el t_ce clear line *t_el*
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t_il t_al insert line *t_il*
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t_da display may be retained above the screen
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t_db display may be retained below the screen
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t_ke t_ke put terminal out of keypad transmit mode
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t_ks t_ks put terminal in keypad transmit mode
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t_ms t_ms save to move cursor in highlight mode
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t_se t_se normal mode (undo t_so)
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t_so t_so shift out (standout) mode
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t_ti t_mr reverse highlight
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t_tb t_md bold mode *t_tb*
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t_tp t_me highlight end *t_tp*
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t_sr t_sr scroll reverse
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t_te t_te out of termcap mode
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t_ts t_ti into termcap mode *t_ts_old*
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t_vb t_vb visual bell
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t_csc t_CS cursor is relative to scroll region *t_csc*
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t_ku t_ku <Up> arrow up
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t_kd t_kd <Down> arrow down
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t_kr t_kr <Right> arrow right
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t_kl t_kl <Left> arrow left
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t_sku <S-Up> shifted arrow up *t_sku*
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t_skd <S-Down> shifted arrow down *t_skd*
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t_skr t_%i <S-Right> shifted arrow right *t_skr*
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t_skl t_#4 <S-Left> shifted arrow left *t_skl*
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t_f1 t_k1 <F1> function key 1 *t_f1*
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t_f2 t_k2 <F2> function key 2 *t_f2*
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t_f3 t_k3 <F3> function key 3 *t_f3*
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t_f4 t_k4 <F4> function key 4 *t_f4*
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t_f5 t_k5 <F5> function key 5 *t_f5*
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t_f6 t_k6 <F6> function key 6 *t_f6*
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t_f7 t_k7 <F7> function key 7 *t_f7*
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t_f8 t_k8 <F8> function key 8 *t_f8*
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t_f9 t_k9 <F9> function key 9 *t_f9*
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t_f10 t_k; <F10> function key 10 *t_f10*
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t_sf1 <S-F1> shifted function key 1 *t_sf1*
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t_sf2 <S-F2> shifted function key 2 *t_sf2*
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t_sf3 <S-F3> shifted function key 3 *t_sf3*
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t_sf4 <S-F4> shifted function key 4 *t_sf4*
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t_sf5 <S-F5> shifted function key 5 *t_sf5*
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t_sf6 <S-F6> shifted function key 6 *t_sf6*
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t_sf7 <S-F7> shifted function key 7 *t_sf7*
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t_sf8 <S-F8> shifted function key 8 *t_sf8*
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t_sf9 <S-F9> shifted function key 9 *t_sf9*
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t_sf10 <S-F10> shifted function key 10 *t_sf10*
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t_help t_%1 <Help> help key *t_help*
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t_undo t_&8 <Undo> undo key *t_undo*
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'errorformat' option changed *errorformat-changed*
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----------------------------
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'errorformat' can now contain several formats, separated by commas. The first
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format that matches is used. The default values have been adjusted to catch
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the most common formats. |errorformat|
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If you have a format that contains a comma, it needs to be preceded with a
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backslash. Type two backslashes, because the ":set" command will eat one.
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'graphic' option gone *graphic-option-gone*
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---------------------
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The 'graphic' option was used to make the characters between <~> and 0xa0
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display directly on the screen. Now the 'isprint' option takes care of this
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with many more possibilities. The default setting is the same; you only need
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to look into this if you previously set the 'graphic' option in your vimrc.
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|'isprint'|
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'yankendofline' option gone *ye-option-gone*
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---------------------------
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The 'yankendofline' option has been removed. Instead you can just use
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:map Y y$
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'icon' and 'title' default value changed *icon-changed*
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----------------------------------------
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The 'title' option is now only set by default if the original title can be
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restored. Avoids "Thanks for flying Vim" titles. If you want them anyway,
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put ":set title" in your vimrc. |'title'|
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The default for 'icon' now depends on the possibility of restoring the
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original value, just like 'title'. If you don't like your icon titles to be
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changed, add this line to your vimrc: |'icon'|
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:set noicon
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'highlight' option changed *highlight-changed*
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--------------------------
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The 'i' flag now means italic highlighting, instead of invert. The 'r' flag
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is used for reverse highlighting, which is what 'i' used to be. Normally you
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won't see the difference, because italic mode is not supported on most
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terminals and reverse mode is used as a fallback. |'highlight'|
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When an occasion is not present in 'highlight', use the mode from the default
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value for 'highlight', instead of reverse mode.
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'tildeop' and 'weirdinvert' short names changed *short-name-changed*
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||
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-----------------------------------------------
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Renamed 'to' (abbreviation for 'tildeop') to 'top'. |'tildeop'|
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Renamed 'wi' (abbreviation for 'weirdinvert') to 'wiv'. |'weirdinvert'|
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This was done because Vi uses 'wi' as the short name for 'window' and 'to' as
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the short name for 'timeout'. This means that if you try setting these
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options, you won't get an error message, but the effect will be different.
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Use of "v", "V" and "CTRL-V" in Visual mode *use-visual-cmds*
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-------------------------------------------
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In Visual mode, "v", "V", and "CTRL-V" used to end Visual mode. Now this
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happens only if the Visual mode was in the corresponding type. Otherwise the
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type of Visual mode is changed. Now only ESC can be used in all circumstances
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to end Visual mode without doing anything. |v_V|
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CTRL-B in Insert mode removed *toggle-revins*
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-----------------------------
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CTRL-B in Insert mode used to toggle the 'revins' option. If you don't know
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this and accidentally hit CTRL-B, it is very difficult to find out how to undo
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it. Since hardly anybody uses this feature, it is disabled by default. If
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you want to use it, define RIGHTLEFT in feature.h before compiling. |'revins'|
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vim:tw=78:ts=8:ft=help:norl:
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