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Bram Moolenaar
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runtime/doc/version8.txt
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*version8.txt* For Vim version 8.0. Last change: 2016 Apr 12
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VIM REFERENCE MANUAL by Bram Moolenaar
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NOTE: THIS FILE IS STILL BEING WORKED ON
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*vim8* *vim-8* *version-8.0* *version8.0*
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Welcome to Vim 8! A large number of bugs have been fixed and several
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features have been added. This file mentions all the new items and changes to
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existing features since Vim 7.4. Bug fixes, the patches for Vim 7.4, can be
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found below |vim-7.4|. Use this command to see the version you are using: >
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:version
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See |vi_diff.txt| for an overview of differences between Vi and Vim 7.0.
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See |version4.txt| for differences between Vim 3.x and Vim 4.x.
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See |version5.txt| for differences between Vim 4.x and Vim 5.x.
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See |version6.txt| for differences between Vim 5.x and Vim 6.x.
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See |version7.txt| for differences between Vim 6.x and Vim 7.x.
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INCOMPATIBLE CHANGES |incompatible-8|
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NEW FEATURES |new-8|
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Vim script enhancements |new-vim-script-8|
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IMPROVEMENTS |improvements-8|
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COMPILE TIME CHANGES |compile-changes-8|
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PATCHES |patches-8|
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==============================================================================
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INCOMPATIBLE CHANGES *incompatible-8*
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These changes are incompatible with previous releases. Check this list if you
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run into a problem when upgrading from Vim 7.4 to 8.0.
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The support for MS-DOS has been removed.
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Minor incompatibilities:
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For filetype detection: ...
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==============================================================================
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NEW FEATURES *new-8*
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First a list to the bigger new features. A comprehensive list is below.
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Asynchronous I/O support, channels ~
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Vim can now exchange messages with another process in the background. The
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message are received and handled while Vim is waiting for a character. See
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|channel-demo| for an example, communicating with a Python server.
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Closely related to channels is JSON support. JSON is widely supported and can
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easily be used for inter-process communication, allowing for writing a server
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in any language. The functions to use are |json_encode()| and |json_decode()|.
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Jobs ~
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Vim can now start a job, communicate with it and stop it. This is very useful
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to run a process for completion, syntax checking, etc. Channels are used to
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communicate with the job. Jobs can also read from or write to a buffer or a
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file. See |job_start()|.
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Timers ~
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Also asynchronous are timers. They can fire once or repeatedly and invoke a
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function to do any work. For example: >
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let tempTimer = timer_start(4000, 'CheckTemp')
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This will make call 4 seconds later, like: >
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call CheckTemp()
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Partials ~
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Vim already had a Funcref, a reference to a function. A partial also refers
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to a function, and additionally binds arguments and/or a dictionary. This is
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especially useful for callbacks on channels and timers. E.g., for the timer
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example above, to pass an argument to the function: >
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let tempTimer = timer_start(4000, function('CheckTemp', ['out']))
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This will make call 4 seconds later, like: >
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call CheckTemp('out')
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Packages ~
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Plugins keep growing and more of them are available then ever before. To keep
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the collection of plugins manageable package support has been added. This is
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a convenient way to get one or more plugins, drop them in a directory and
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possibly keep them updated. Vim will load them automatically, or only when
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desired. See |packages|.
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New style tests ~
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This is for Vim developers. So far writing tests for Vim has not been easy.
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Vim 8 adds assert functions and a framework to run tests. This makes it a lot
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simpler to write tests and keep them updated.
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These functions have been added:
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|assert_equal()|
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|assert_notequal()|
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|assert_exception()|
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|assert_fails()|
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|assert_false()|
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|assert_match()|
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|assert_notmatch()|
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|assert_true()|
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|alloc_fail()|
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|disable_char_avail_for_testing()|
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Window IDs ~
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Previously windows could only be accessed by their number. And every time a
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window would open, close or move that number changes. Each window now has a
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unique ID, so that they are easy to find.
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Wrapping lines with indent ~
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The 'breakindent' option has been added to be able to wrap lines without
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changing the amount of indent.
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Windows: Direct-X support ~
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This adds the 'renderoptions' option to allow for switching on Direct-X
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(DirectWrite) support on MS-Windows.
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GTK+ 3 support ~
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GTK+ 2 is getting old, GTK+ 3 is here. Support has been added and it already
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works quite well, mostly just like GTK+ 2.
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Vim script enhancements *new-vim-script-8*
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-----------------------
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In Vim scripts the following types have been added:
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|Special| |v:false|, |v:true|, |v:none| and |v:null|
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|Channel| connection to another process for asynchronous I/O
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|Job| process control
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Many functions and commands have been added to support the new types.
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Various new items *new-items-8*
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-----------------
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Normal mode commands: ~
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Insert mode commands: ~
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Options: ~
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Ex commands: ~
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Ex command modifiers: ~
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Ex command arguments: ~
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New and extended functions: ~
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New Vim variables: ~
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|v:vim_did_enter| Set when VimEnter autocommands are triggered
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New autocommand events: ~
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New highlight groups: ~
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New items in search patterns: ~
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New Syntax/Indent/FTplugin files: ~
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New Keymaps: ~
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New message translations: ~
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Others: ~
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==============================================================================
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IMPROVEMENTS *improvements-8*
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The existing blowfish encryption turned out to be much weaker than it was
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supposed to be. The blowfish2 method has been added to fix that. Note that
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this still isn't a state-of-the-art encryption, but good enough for most
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usage. See 'cryptmethod'.
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==============================================================================
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COMPILE TIME CHANGES *compile-changes-8*
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Dropped the support for MS-DOS. It was too big to fit in memory.
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==============================================================================
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PATCHES *patches-8* *bug-fixes-8*
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The list of patches that got included since 7.4.0. This includes all the new
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features, but does not include runtime file changes (syntax, indent, help,
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etc.)
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TODO: INCLUDE PATCH LIST.
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vim:tw=78:ts=8:ft=help:norl:
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