neovim/neovim — pull request #1169 by splinterofchaos (2014-09-13 18:54:26+00:00)
Title: vim-patch:4.7.312

Problem: Cannot figure out what argument list is being used for a window.
Solution: Add the arglistid() function. (Marcin Szamotulski)

https://code.google.com/p/vim/source/detail?r=v7-4-312