commit https://github.com/vim/vim/commit/6300317b15eb33409f652c603fb402417fe4eed7 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Mar 4 22:19:21 2016 +0100 patch 7.4.1487 Problem: For WIN32 isinf() is defined as a macro. Solution: Define it as an inline function. (ZyX)

start:
test for empty string: ok
test for 1 char: ok
test for 3 chars: ok
test for contains meta char: ok
test for contains non-ascii char: ok