Tag Archives: markdown

Markdown Viewer Firefox Extension Screenshot

Markdown Viewer Firefox Extension

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I’m spanning the use of Markdown in every place I can: project documentation, blogging, note taking etc.

A useful Firefox extension I found is Markdown Viewer. It let you view Markdown files, HTML formatted, directly in the browser window. It’s useful when you have md files on the local filesystem that you want to quickly preview.

Problem: Firefox tries to download every .md file

I found a really annoying problem using this extension and I’m going to describe how I solved it: let’s say I have a file called notes.md in my home directory (/home/max/notes.md), I should view that file in Firefox visiting the url file:///home/max/notes.md.
At this point Firefox wants to download it and there’s no easy way to force it to use the extension.

The solution is to edit a configuration file

$ vi ~/.mozilla/firefox/*.default*/mimeTypes.rdf

and add a text/plain dedicated area with the md extension specified:

<RDF:Description RDF:about="urn:mimetype:text/plain"
    NC:value="text/plain"
    NC:fileExtensions="md"
    NC:description="Text Document">
  <NC:handlerProp RDF:resource="urn:mimetype:handler:text/plain"/>
</RDF:Description>

The last thing is to restart Firefox and everything should now work.

My set up

Just a side note: I’m running Ubuntu 13.10 with Firefox 26.0 and Markdown Viewer 1.3.

References

The comments on the extension page.

Detect Markdown files in vim

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Quick tip which force vim to recognize .md files as Markdown formatted files:

  • create, if not exists, the needed directory 
    mkdir -p ~/.vim/ftdetect/
  • create the file ~/.vim/ftdetect/markdown.vim with this content 
    autocmd BufNewFile,BufRead *.md,*.mkdn,*.markdown :set filetype=markdown

Done.

Markdown on Save

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Markdown

If you don’t know what Markdown is, then you should. I suggest you to read the Wikipedia page which gives some historical intro, too.

Markdown on Save

“Markdown on Save” is a WordPress plugin which allows you to write articles in Markdown format and have them correctly displayed on your WordPress blog.

I’m actually testing this plugin now, with this article and I will tell you my personal experience.
I found some weird initial problems, but the plugin looks great and I think it will be my default choice from now on.

Problems

The plugin does not have a valid header

The first problem I had was at the end of the installation process: I received the message “The plugin does not have a valid header.” and so it was not activated.

The solution was simple: I went to Plugins, Installed plugins and clicked Activate under Markdown on Save section.

Done.

How do I use it?

Yes, there was some misleading factors which led me to loose some minutes tinkering what I’ve had to do:

  • the first time I opened the new post page, there wasn’t any indication of the plugin functionality
  • searching on web I found the WordPress.org official plugin page where the author talked about a box marked as “This post is formatted with Markdown” to click. I hadn’t it. Then I found it, it didn’t seem a checkbox so I got confused (and there wasn’t any describing text).
    the Markdown box
  • I’ve a personal css for <code> blocks which are rendered with display: block; style. This is not totally compatible with the style of this plugin HTML output, so I’ve tweaked a bit the source code to embed the Markdown HTML result in a special div to apply special formatting. Here’s my opinion on that: there’s no way to dynamically understand that a page was from Markdown source or from the WordPress standard compose method. Maybe this is a good choice, but it doesn’t fit my needs

Conclusions

Many thanks to the author of the plugin, it’s quite perfect.