This is a mirror of http://www.vim.org/scripts/script.php?script_id=1246

Omap.vim provides the :Omap command, among others, which creates user-defined operator commands (like y c d and g?, see :help operator for more info).

To demonstrate, this command can be used to add functionality to other scripts. You can use Omap.vim in conjuction with EnhancedCommentify.vim (vimscript #23) to create a commenting operator. Assuming both EnhancedCommentify.vim and Omap.vim are installed in your vim plugin directory, add the following commands to your .vimrc file:

    let g:EnhCommentifyUserBindings = 'yes'
    runtime plugin/Omap.vim
    Omap <silent> <unique> <leader>c <Plug>Commentj
    Omap <silent> <unique> <leader>u <Plug>DeCommentj

This will stop the default mappings being defined by EnhancedCommentify.vim and in their place create comment (\c) and uncomment (\u) operators.

This allows commenting to be carried out over areas defined by vim motions and text objects. For example: 

    \cc  --  comments a line
    .  --  comments the next line (repeats last command)
    3\cc  --  comments three lines
    \uu  --  uncomments a line
    \c4j  --  comments the current line and the four following lines
    \caB  --  comments a block of code

Note that the dot (.) command (see :help .) works to repeat Omaps even though they are mappings. A command, :DotCommandSet, is defined by Omap.vim which allows other mappings to similarly be repeated using the dot command. 

For more detailed help see the help documentation in the archive below.