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My vim configuration
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" Comments in Vimscript start with a `"`. | |
" If you open this file in Vim, it'll be syntax highlighted for you. | |
" Vim is based on Vi. Setting `nocompatible` switches from the default | |
" Vi-compatibility mode and enables useful Vim functionality. This | |
" configuration option turns out not to be necessary for the file named | |
" '~/.vimrc', because Vim automatically enters nocompatible mode if that file | |
" is present. But we're including it here just in case this config file is | |
" loaded some other way (e.g. saved as `foo`, and then Vim started with | |
" `vim -u foo`). | |
set nocompatible | |
" Turn on syntax highlighting. | |
syntax on | |
" Disable the default Vim startup message. | |
set shortmess+=I | |
" Show line numbers. | |
set number | |
" This enables relative line numbering mode. With both number and | |
" relativenumber enabled, the current line shows the true line number, while | |
" all other lines (above and below) are numbered relative to the current line. | |
" This is useful because you can tell, at a glance, what count is needed to | |
" jump up or down to a particular line, by {count}k to go up or {count}j to go | |
" down. | |
set relativenumber | |
" Always show the status line at the bottom, even if you only have one window open. | |
set laststatus=2 | |
" The backspace key has slightly unintuitive behavior by default. For example, | |
" by default, you can't backspace before the insertion point set with 'i'. | |
" This configuration makes backspace behave more reasonably, in that you can | |
" backspace over anything. | |
set backspace=indent,eol,start | |
" By default, Vim doesn't let you hide a buffer (i.e. have a buffer that isn't | |
" shown in any window) that has unsaved changes. This is to prevent you from " | |
" forgetting about unsaved changes and then quitting e.g. via `:qa!`. We find | |
" hidden buffers helpful enough to disable this protection. See `:help hidden` | |
" for more information on this. | |
set hidden | |
" This setting makes search case-insensitive when all characters in the string | |
" being searched are lowercase. However, the search becomes case-sensitive if | |
" it contains any capital letters. This makes searching more convenient. | |
set ignorecase | |
set smartcase | |
" Enable searching as you type, rather than waiting till you press enter. | |
set incsearch | |
" Unbind some useless/annoying default key bindings. | |
nmap Q <Nop> " 'Q' in normal mode enters Ex mode. You almost never want this. | |
" Disable audible bell because it's annoying. | |
set noerrorbells visualbell t_vb= | |
" Enable mouse support. You should avoid relying on this too much, but it can | |
" sometimes be convenient. | |
set mouse+=a | |
" Try to prevent bad habits like using the arrow keys for movement. This is | |
" not the only possible bad habit. For example, holding down the h/j/k/l keys | |
" for movement, rather than using more efficient movement commands, is also a | |
" bad habit. The former is enforceable through a .vimrc, while we don't know | |
" how to prevent the latter. | |
" Do this in normal mode... | |
" nnoremap <Left> :echoe "Use h"<CR> | |
" nnoremap <Right> :echoe "Use l"<CR> | |
" nnoremap <Up> :echoe "Use k"<CR> | |
" nnoremap <Down> :echoe "Use j"<CR> | |
" ...and in insert mode | |
" inoremap <Left> <ESC>:echoe "Use h"<CR> | |
" inoremap <Right> <ESC>:echoe "Use l"<CR> | |
" inoremap <Up> <ESC>:echoe "Use k"<CR> | |
" inoremap <Down> <ESC>:echoe "Use j"<CR> |
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