patch 8.2.0372: prop_find() may not find text property at start of the line Commit: https://github.com/vim/vim/commit/66b98854d86f641db036fd1e6cf20f7b8905344e Author: Bram Moolenaar <Bram@vim.org> Date: Wed Mar 11 19:15:52 2020 +0100 patch 8.2.0372: prop_find() may not find text property at start of the line Problem: Prop_find() may not find text property at start of the line. Solution: Adjust the loop to find properties. (Axel Forsman, closes https://github.com/vim/vim/issues/5761, closes #5663)

"Test for benchmarking the RE engine

so small.vim
if !has("reltime") | finish | endif
func! Measure(file, pattern, arg)
	for re in range(3)
	    let sstart=reltime()
	    let cmd=printf("../vim -u NONE -N --cmd ':set re=%d'".
		\ " -c 'call search(\"%s\", \"\", \"\", 10000)' -c ':q!' %s", re, escape(a:pattern, '\\'), empty(a:arg) ? '' : a:arg)
	    call system(cmd. ' '. a:file)
	    $put =printf('file: %s, re: %d, time: %s', a:file, re, reltimestr(reltime(sstart)))
	endfor
endfunc