Vim as code viewer in sub monitor
Vim script
Latest commit 29d6edb Apr 8, 2016 @rhysd tweak tag and example

README.md

Vim as Code Viewer in Sub Monitor

" Open current file in subvim.  If there is no subvim, it starts it.
:SubvimOpen

" Open some_file in subvim
:SubvimOpen path/to/file1 path/to/file2

" Start subvim explicitly.
:SubvimStart

" Close subvim
:SubvimQuit

" Move subvim window foreground
:SubvimForeground

License

Copyright (c) 2016 rhysd

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
THE USE OR OTHER DEALINGS IN THE SOFTWARE.