commit https://github.com/vim/vim/commit/bbe8d91e695184771d7e45315258fab8eb3e6b07 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 5 16:10:57 2016 +0200 patch 7.4.1902 Problem: No test for collapsing buffers for a channel. Some text is lost. Solution: Add a simple test. Set rq_buflen correctly.

#! /bin/sh
#
# which.sh -- find where an executable is located.  It's here because the
# "which" command is not supported everywhere.  Used by Makefile.

IFS=":"
for ac_dir in $PATH; do
	if test -f "$ac_dir/$1"; then
		echo "$ac_dir/$1"
		break
	fi
done