Stack Overflow 降价的 Emacs 模式 [英] Emacs mode for Stack Overflow's markdown

问题描述

我在 Emacs 中使用 Org-mode 来处理我所有的技术文档.我想使用 Emacs 来准备我对 Stack Overflow 的问题.是否有 Emacs 模式，或者甚至更好的 Org-mode 扩展来处理堆栈溢出格式?理想情况下，它应该包括 Stack Overflow 问题/评论缓冲区中使用的 Markdown 语法支持的所有格式选项.

解决方案

将 Emacs 与 Stack Overflow 集成

.有了它，您可以在 Org-mode 缓冲区中包含 Markdown 块，您可以通过 Markdown-mode 对其进行编辑.您可以按如下方式使用它:

1. 在 Org 模式缓冲区中时，在换行符上输入 并按 Tab.这将导致

   #+begin_src#+end_src

2. 在 #+begin_src 之后输入 markdown 以便您有

   #+begin_src 降价#+end_src

3. 在源代码块内(在 #+begin_src markdown 和 #+end_src 之间)按 Cc ' 编辑源代码使用降价模式阻止.

4. 以降价模式编辑源代码块.

5. 按 C-c ' 返回 Org-mode 缓冲区并插入编辑.这可能类似于以下屏幕截图所示:

I am using Org-mode in Emacs to handle all my technical documentation. I would like to use Emacs to prepare questions that I have for Stack Overflow. Is there an Emacs mode for that, or even better, an extension for Org-mode to handle Stack Overflow formatting? Ideally it should include all formatting options supported by the markdown syntax used in the Stack Overflow question/comment buffers.

解决方案

Integrating Emacs with Stack Overflow

As mentioned you can use markdown-mode. To integrate markdown-mode with Stack Overflow you can use the Firefox plugin It's All Text which lets you edit textareas with an external editor. Here is how to set it up:

1. Install markdown-mode. If you use Debian or Ubuntu you can install it by issuing

   sudo apt-get install emacs-goodies-el
   

   or if you're on emacs 24 (or have package.el on emacs 23) and Marmalade or Melpa you can install it with

   M-x package-install RET markdown-mode
   

2. Install It's All Text.

3. Set It's All Text's preferences to use Emacs. Either you can set it to the executable (e.g. /usr/bin/emacs) or the emacsclient.

4. Add the following to your .emacs to enable markdown-mode for Stack Overflow and Stack Exchange textareas:

   ;; Integrate Emacs with Stack Exchange https://stackoverflow.com/a/10386560/789593
   (add-to-list 'auto-mode-alist '("stack\(exchange\|overflow\)\.com\.[a-z0-9]+\.txt" . markdown-mode))
   

   Alternatively, if as-external-alist is defined—if M-x describe-variable RET as-external-alist doesn't fail—it will probably override your auto-mode-alist. It has a slightly different format (it's a list of pairs instead of a list of cons cells) so this will work:

   (add-to-list 'as-external-alist '("stack\(exchange\|overflow\)\.com\.[a-z0-9]+\.txt" markdown-mode))
   

5. Press the blue edit button at the bottom right side of a textarea to edit it via emacs. The blue edit button is shown in the following screenshot:

   In the following screenshot is an Emacs buffer in markdown-mode editing this post:

6. When you are done editing in Emacs save the buffer to send it to Firefox.

If you want this functionality for other domains you need to change the regexp above. The following recognizes Stack Exchange, Stack Overflow, Ask Ubuntu and Super User:

;; Integrate Emacs with Stack Exchange https://stackoverflow.com/a/10386560/789593
(add-to-list 'auto-mode-alist '("\(stack\(exchange\|overflow\)\|superuser\|askubuntu\)\.com\.[a-z0-9]+\.txt" . markdown-mode))

Using markdown-mode with Org-mode

To use markdow-mode with Org-mode you can use its feature for working with source code. With it you can include blocks of markdown inside your Org-mode buffers which you can edit via markdown-mode. You can use it as follows:

1. When in an Org-mode buffer enter <s on a newline and press Tab. This will result in

   #+begin_src 
   
   #+end_src
   

2. Enter markdown after #+begin_src so that you have

   #+begin_src markdown
   
   #+end_src
   

3. When inside the source block (between #+begin_src markdown and #+end_src) press C-c ' to edit the source block with markdown-mode.

4. Edit the source block in markdown-mode.

5. Press C-c ' to return to the Org-mode buffer and insert the edit. This can look like what the following screenshot shows:

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