That's weird. It should only close when you actually tap in the keyboard corner to close it.

Just do a single tap (not a double tap!) on the editor to open the keyboard.

Actually, Textastic does save the last selection/cursor position and scrolls to that position when opening a file.

The textastic:// url scheme works like that:

• Open a website in Safari
• Tap on the address bar
• Replace http:// with textastic://
• Hit Return
• Textastic will open and download the file at the url

You can use this feature to view the source code of a website or download arbitrary files in Textastic.

You can already create custom templates. This is explained at https://github.com/blach/Textastic-Customization

Currently, Textastic doesn't support Box.com.

Currently it's two taps. You would need to select "Upload This File" in the action menu twice.