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Vim for Debian
---------------
1. The current Debian Vim scripts policy can be found in the vim-doc package
under /usr/share/doc/vim and <https://vim-team.pages.debian.net/vim/>.
2. Before reporting bugs, check if the bug also exists if you run vim
with "vim --clean". If not, make sure that the "bug" is not
a result of a setting in your ~/.vimrc before reporting it.
defaults.vim
------------
Vim provides $VIMRUNTIME/defaults.vim to improve the default Vim experience for
a user with no vimrc file. It enables commonly useful functionality that
wasn't historically enabled by default, like syntax highlighting and filetype
plugins.
However, the defaults.vim script is ONLY loaded when a user does NOT have their
own vimrc file. If you create a vimrc file and want to build on top of
defaults.vim, add these lines to the top of your vimrc file:
unlet! g:skip_defaults_vim
source $VIMRUNTIME/defaults.vim
When defaults.vim is loaded implicitly for a user, that happens _after_ the
system vimrc file has been loaded. Therefore, defaults.vim will override
settings in the system vimrc. To change that, one can either
a) Explicitly load defaults.vim in the system vimrc, as described above, and
then define your customizations
b) Explicitly opt out of defaults.vim by adding the line below to
the system vimrc
let g:skip_defaults_vim = 1
Modeline support disabled by default
------------------------------------
Modelines have historically been a source of security/resource vulnerabilities
and are therefore disabled by default in $VIMRUNTIME/debian.vim.
You can enable them in ~/.vimrc or /etc/vim/vimrc with "set modeline".
In order to mimic Vim's default setting (modelines disabled when root, enabled
otherwise), you may instead want to use the following snippet:
if $USER != 'root'
set modeline
else
set nomodeline
endif
The securemodelines script from vim.org (and in the vim-scripts package) may
also be of interest as it provides a way to whitelist exactly which options
may be set from a modeline.
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