dot-emacs/conf-lisp/markdown.el

;; *** Markdown

;; I rarely use markdown, but sometimes I stumble upon such a file and
;; like    to    view    it     with    emacs    without    rendering.
;; Source: [[http://jblevins.org/projects/markdown-mode/][jblevins.org]]

;; via https://stackoverflow.com/a/26297700
(defun tvd-cleanup-org-tables ()
  (save-excursion
    (goto-char (point-min))
    (while (search-forward "-+-" nil t) (replace-match "-|-"))))

(defun tvd-markdown-todo ()
  "Create dynamically highlighted TODO list of MD list"
  (interactive)
  (highlight-regexp "^- .*" "hi-yellow")
  (highlight-regexp "^- .*ok" "hi-green")
  (highlight-regexp "^- .*fail" "hi-pink"))

(defun tvd-markdown-cleanup()
  "Convert org  table into markdown  table if in  markdown-mode and
save the buffer [again], also check if parens are balanced"
  (when (equal major-mode 'markdown-mode)
    (when (check-parens)
      (tvd-cleanup-org-tables)
      (save-buffer))))

(use-package markdown-mode
             :mode "\\.text\\'"
             :mode "\\.markdown\\'"
             :mode "\\.md\\'"

             :config
             (modify-syntax-entry ?\" "\"" markdown-mode-syntax-table)

             ;; (defun tvd-markdown-hooks ()
             ;;   (when buffer-file-name
             ;;     (add-hook 'after-save-hook
             ;;               'check-parens
             ;;               nil t)
             ;;     (add-hook 'after-save-hook 'tvd-cleanup-org-tables  nil 'make-it-local))

             ;;   (modify-syntax-entry ?\" "\"" markdown-mode-syntax-table)

             ;;   (when (fboundb 'orgtbl-mode)
             ;;     (add-hook 'markdown-mode-hook 'orgtbl-mode))

             ;;   ;; (when (fboundb 'orgalist))
             ;;   (add-hook 'markdown-mode-hook 'orgalist-mode))

             :hook ;; tvd-markdown-hooks
             (markdown-mode . orgalist-mode)
             (markdown-mode . orgtbl-mode)
             (after-save . tvd-markdown-cleanup-orgtables)
             )