fix #32 drop dep on uuidgen; replace with uuid function
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				@ -75,4 +75,3 @@ Markdown preview in emacs features:
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* [markdown-mode.el](https://github.com/defunkt/markdown-mode)
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* [websocket.el](https://github.com/ahyatt/emacs-websocket)
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* [web-server.el](https://github.com/eschulte/emacs-web-server)
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* [uuidgen](https://github.com/kanru/uuidgen-el)
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@ -5,8 +5,8 @@
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;; Author: Igor Shymko <igor.shimko@gmail.com>
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;; URL: https://github.com/ancane/markdown-preview-mode
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;; Keywords: markdown, gfm, convenience
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;; Version: 0.9.1
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;; Package-Requires: ((emacs "24.3") (websocket "1.6") (markdown-mode "2.0") (cl-lib "0.5") (web-server "0.1.1") (uuidgen "0.3"))
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;; Version: 0.9.2
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;; Package-Requires: ((emacs "24.3") (websocket "1.6") (markdown-mode "2.0") (cl-lib "0.5") (web-server "0.1.1") )
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;; This file is not part of GNU Emacs.
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@ -35,7 +35,6 @@
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(require 'websocket)
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(require 'markdown-mode)
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(require 'web-server)
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(require 'uuidgen)
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(defgroup markdown-preview nil
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  "Markdown preview mode."
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@ -97,7 +96,7 @@
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  "`markdown-preview' local client.")
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(defvar markdown-preview--remote-clients (make-hash-table :test 'equal)
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  "Remote clients hashtable. UUID -> WS")
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  "Remote clients hashtable. UUID -> WS.")
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(defvar markdown-preview--home-dir (file-name-directory load-file-name)
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  "`markdown-preview-mode' home directory.")
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@ -109,7 +108,7 @@
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  "Unique preview identifier.")
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(defvar markdown-preview--preview-buffers (make-hash-table :test 'equal)
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  "Preview buffers hashtable. UUID -> buffer-name.")
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  "Preview buffers hashtable. UUID -> buffer name.")
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(defun markdown-preview--stop-idle-timer ()
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  "Stop the `markdown-preview' idle timer."
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@ -143,8 +142,7 @@
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   "\n"))
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(defun markdown-preview--read-preview-template (preview-uuid preview-file)
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  "Read preview template and writes identified by PREVIEW-UUID
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rendered copy to PREVIEW-FILE, ready to be open in browser."
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  "Read preview template and writes identified by PREVIEW-UUID rendered copy to PREVIEW-FILE, ready to be open in browser."
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  (with-temp-file preview-file
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    (insert-file-contents (expand-file-name "preview.html" markdown-preview--home-dir))
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    (when (search-forward "${MD_STYLE}" nil t)
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@ -161,7 +159,7 @@ rendered copy to PREVIEW-FILE, ready to be open in browser."
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;; Emacs 26 async network workaround
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(defun markdown-preview--fix-network-process-wait (plist)
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  "Ensure PLIST contains :nowait nil."
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  "Ensure PLIST contain :nowait nil."
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  (if (and (>= emacs-major-version 26)
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	   (equal (plist-get plist :name) "ws-server")
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	   (plist-get plist :server)
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@ -284,12 +282,12 @@ rendered copy to PREVIEW-FILE, ready to be open in browser."
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                       (setq markdown-preview--local-client nil))))))
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(defun markdown-preview--send-preview (preview-uuid)
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  "Send the `markdown-preview' preview to clients."
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  "Send the `markdown-preview' with PREVIEW-UUID preview to clients."
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  (when (bound-and-true-p markdown-preview-mode)
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    (markdown-preview--send-preview-to markdown-preview--local-client preview-uuid)))
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(defun markdown-preview--send-preview-to (websocket preview-uuid)
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  "Send the `markdown-preview' to a specific WEBSOCKET."
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  "Send the `markdown-preview' with PREVIEW-UUID to a specific WEBSOCKET."
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  (let ((mark-position-percent
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         (number-to-string
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          (truncate
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@ -319,7 +317,7 @@ rendered copy to PREVIEW-FILE, ready to be open in browser."
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(defun markdown-preview--start ()
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  "Start `markdown-preview' mode."
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  (setq-local markdown-preview--uuid (uuidgen-1))
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  (setq-local markdown-preview--uuid (markdown-preview--random-uuid))
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  (puthash markdown-preview--uuid (buffer-name) markdown-preview--preview-buffers)
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  ;;  (gethash markdown-preview--uuid markdown-preview--preview-buffers)
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  (markdown-preview--read-preview-template
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@ -345,6 +343,37 @@ rendered copy to PREVIEW-FILE, ready to be open in browser."
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    (if (file-exists-p preview-file)
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        (delete-file preview-file))))
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(defun markdown-preview--random-uuid ()
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  "Insert a UUID using a simple hashing of variable data.
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Example of a UUID: 1df63142-a513-c850-31a3-535fc3520c3d
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Note: this code uses https://en.wikipedia.org/wiki/Md5,
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which is not cryptographically safe. I'm not sure what's
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the implication of its use here.
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Version 2015-01-30
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URL `http://ergoemacs.org/emacs/elisp_generate_uuid.html'"
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  ;; by Christopher Wellons, 2011-11-18. Editted by Xah Lee.
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  ;; Edited by Hideki Saito further to generate all valid variants for "N" in xxxxxxxx-xxxx-Mxxx-Nxxx-xxxxxxxxxxxx format.
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  ;; (interactive)
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  (let ((myStr (md5 (format "%s%s%s%s%s%s%s%s%s%s"
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                            (user-uid)
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                            (emacs-pid)
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                            (system-name)
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                            (user-full-name)
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                            (current-time)
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                            (emacs-uptime)
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                            (garbage-collect)
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                            (buffer-string)
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                            (random)
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                            (recent-keys)))))
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    (format "%s-%s-4%s-%s%s-%s"
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            (substring myStr 0 8)
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            (substring myStr 8 12)
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            (substring myStr 13 16)
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            (format "%x" (+ 8 (random 4)))
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            (substring myStr 17 20)
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            (substring myStr 20 32))))
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;;;###autoload
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(defun markdown-preview-open-browser ()
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  "Open the `markdown-preview' in the browser."
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