vim: Import v8.0.1707

* 8.0.1707: when 'wfh' is set ":bel 10new" scrolls window
* 8.0.1706: cannot sent CTRL-\ to a terminal window
* 8.0.1705: when making a vertical split the mode message isn't updated

Author: chrisbra

gitlog.txt

@@ -1 +1 @@
-* [8.0.1704](https://github.com/vim/vim/releases/tag/v8.0.1704): 'backupskip' default doesn't work for Mac\n* [8.0.1703](https://github.com/vim/vim/releases/tag/v8.0.1703): in the tutor 'showcmd' is not set\n* [8.0.1702](https://github.com/vim/vim/releases/tag/v8.0.1702): leaking memory when autocommands make quickfix list invalid\n* [8.0.1701](https://github.com/vim/vim/releases/tag/v8.0.1701): can disable COLOR_EMOJI with MSVC but not MinGW\n* [8.0.1700](https://github.com/vim/vim/releases/tag/v8.0.1700): coverage statistics still don't work on coveralls
+* [8.0.1707](https://github.com/vim/vim/releases/tag/v8.0.1707): when 'wfh' is set ":bel 10new" scrolls window\n* [8.0.1706](https://github.com/vim/vim/releases/tag/v8.0.1706): cannot sent CTRL-\ to a terminal window\n* [8.0.1705](https://github.com/vim/vim/releases/tag/v8.0.1705): when making a vertical split the mode message isn't updated