neovim/neovim — pull request #670 by mhinz (2014-05-02 15:09:56+00:00)
Title: [RFC] vim-patch:7.4.274

```
Problem: When doing ":update" just before running an external command that
changes the file, the timestamp may be unchanged and the file
is not reloaded.
Solution: Also check the file size.
```

https://code.google.com/p/vim/source/detail?r=1ee3fc5b40ae94c2a7fc5a62bca38d4f730f9bb2