patch 8.0.0647: syntax highlighting can make cause a freeze commit https://github.com/vim/vim/commit/06f1ed2f78c5c03af95054fc3a8665df39dec362 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 18 22:41:03 2017 +0200 patch 8.0.0647: syntax highlighting can make cause a freeze Problem: Syntax highlighting can make cause a freeze. Solution: Apply 'redrawtime' to syntax highlighting, per window.

start text
		    ome test text
test text
		    ther test text
    a cde
    		hi
test text
{
        x
  with whitespace