commit https://github.com/vim/vim/commit/294a7e55b01149154807a23323038784549b8946 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Nov 22 19:39:38 2015 +0100 patch 7.4.936 Problem: Crash when dragging with the mouse. Solution: Add safety check for NULL pointer. Check mouse position for valid value. (Hirohito Higashi)

README_src.txt for version 7.4 of Vim: Vi IMproved.

The source archive contains the files needed to compile Vim on Unix systems.
It is packed for Unix systems (NL line separator).

For more information, see the README.txt file that comes with the runtime
archive (vim-7.4-rt.tar.gz).  To be able to run Vim you MUST get the runtime
archive too!