Keyboard shortcuts for selected blocks

[dethe]

Above and beyond the shortcuts provide by Cut/copy/Paste ( #900 ) and Undo/Redo, we can also support:

• Delete or Backspace to remove selected block(s)
• Tab to indent step or context, i.e., insert into a Ghost Block ( Ghost elements #1314 )
• If cursor is in an <input>, Tab to move to the next <input>
• Shift-Tab to remove the parent block (dedent) (or should this just move the block out of its parent?)

Undo should be able to reverse any of these.

Any others?

[CelticMinstrel]

Isn't the third one handled by the browser already?

For the fourth one, I'm not sure what's the more intuitive option. A third option would be to "split" the parent block, so that you end up with parent block A (containing everything above the dedented block), then the dedented block, then parent block B (containing everything below the dedented block).

[dethe]

Third one: maybe you're right, I'll test it.
Fourth one: It's a puzzler all right.