+ ;; the expectation is that you can take the result of
+ ;; shell-quote-argument and pass it to as an arg to
+ ;; (start-process shell-quote-argument ...) and have it end
+ ;; up as-is in the program's argv[] array. to do this, we
+ ;; need to protect against both the shell's and the program's
+ ;; quoting conventions (and our own conventions in
+ ;; mswindows-construct-process-command-line!). Putting quotes
+ ;; around shell metachars gets through the last two, and applying
+ ;; the normal VC runtime quoting works with practically all apps.
+ (mswindows-quote-one-vc-runtime-arg argument t)