Hi, the test for leading space is also in the commit, and there was already a test for outer quotes or wasn't that not what you meant:
/* quoted lpFile does not work on real win95 and nt4 */ rc=shell_execute_ex(SEE_MASK_DOENVSUBST | SEE_MASK_FLAG_NO_UI, NULL, ""%TMPDIR%\simple.shlexec"", NULL, NULL, NULL); okShell(rc > 32 || broken(rc == SE_ERR_FNF) /* Win95/NT4 */,