commit https://github.com/vim/vim/commit/958dc6923d341390531888058495569d73c356c3 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Dec 1 15:34:12 2016 +0100 patch 8.0.0107 Problem: When reading channel output in a timer, messages may go missing. (Skywind) Solution: Add the "drop" option. Write error messages in the channel log. Don't have ch_canread() check for the channel being open.

@echo off
rem To be used on MS-Windows for Visual C++ 2008 Express Edition
rem   aka Microsoft Visual Studio 9.0.
rem See INSTALLpc.txt for information.
@echo on

call "%VS90COMNTOOLS%vsvars32.bat"