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Awesome. Thank you!
It's now also possible to copy the generated html to the clipboard/pasteboard.
Customer Feature Request: copy a file without having to open it, copy the contents, create a new file, paste...
Lol, that's exactly what I just implemented. See a screenshot here: http://www.textasticapp.com/images/textastic_markdown_mail.png

It still needs some more work, but you can now do a web preview of the markdown file and even mail the file as html body.

What do *you* use Markdown for?

Anything you want to see implemented in particular?

Currently I don't apply any CSS to the preview which makes the fonts rather large...

Also, there is no syntax highlighting of markdown files yet – but I'm not sure if this is even needed.
Will be available as a choice in Textastic 2.0.
This is implemented in Textastic 2.0.

You can also search for "\n" (newline) and "\t" (tab). This allows you for example to replace all newline characters with two newline characters.

I've also added options for:
- Match whole words
- Case sensitive search
- Diacritic sensitive search
I'm working on it :)
Yup, the license looks fine. I'll add the font.
Well, the extension of spaces to tabs actually isn't done by Textastic but by the TextExpander snippet expansion.

So you can either disable TextExpander support in Textastic's settings (if you haven't installed TextExpander on your device) or you can deactivate this in the TextExpander app.
1. Connect your device to your computer and open iTunes.

2. Select your your device in iTunes. Select the Summary tab.

3. Click on the Serial Number black label. It doesn’t look like something you can click on, unfortunately, making this more of a “hidden feature”. Serial Number will turn into Identifier (UDID).

4. Unfortunately this is another non-intuitive step. After you see Identifier (UDID) displayed, copy it to your OS clipboard with Ctrl-C (Windows) or Command-C (Mac). And here’s the subtle trick…

Most people try to highlight the UDID - which is almost the universally recognized way to copy something - but for some reason Apple decided to make this unable to be selected. You can’t highlight it. Just hit Ctrl-C or Command-C on this screen and trust that it’s copied to your OS clipboard. Now open an email or a text editor and paste in the clipboard contents. You now have your iPhone device ID.