+1 -- this would be my top choice for the next Textastic enhancement

Terrific news!

fwiw, I think the most common keyboard shortcut for this is CMD+/ 

I ran into this problem also yesterday:

1. Created new doc
2. Pasted in some code
3. Switched to browser to look up something
4. When I came back saw the "could not autosave file, you don't have permissions"
5. Went and looked at the file permissions - they were fine, but anyway gave everyone RW permissions - didn't help
6. Finally just copied the code, open the file in another editor, and was able to save

Full Emmet support would include this :)

I would love this too -- huge time saver for code editing. It's so common in Mac editors (even TextEdit:), that I'm hoping it's not too hard to implement. OPTION+Select usually activates it.

That is great. I'm already getting a lot of use out of Textastic, and I have a feeling it's going to be my main code editor one of these days :)