patch 8.1.1512: ch_evalexpr() hangs when used recursively commit https://github.com/vim/vim/commit/38ea784fecf7921dca83ddc75fe9cb40708521b2 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 9 19:51:58 2019 +0200 patch 8.1.1512: ch_evalexpr() hangs when used recursively Problem: ch_evalexpr() hangs when used recursively. (Paul Jolly) Solution: Change ch_block_id from a single number to a list of IDs to wait on.

#! /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