Disable emacs ido caching for bad directories on windows

I’ve been having a problem with ido screwing up on windows. Here is a fix.

;;disable ido caching on windows
(require 'ido)
(when (equal system-type 'windows-nt)
  (setq ido-max-dir-file-cache 0)
  (add-to-list 'ido-work-directory-list-ignore-regexps
           "Local Settings")
  (add-to-list 'ido-work-directory-list-ignore-regexps
           "Application Data"))

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1. ;;disable ido caching for problem directories on windows
2. (require 'ido)
3. (when (equal system-type 'windows-nt)
4.   (setq ido-max-dir-file-cache 0)
5.   (add-to-list 'ido-work-directory-list-ignore-regexps
6.            "Local Settings")
7.   (add-to-list 'ido-work-directory-list-ignore-regexps
8.            "Application Data"))
9.  
10.                     ; caching unreliable

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