Increase and decrease heading levels in selected text

When selecting some text with headings, please make it possible to increase and decrease heading levels within the selection.

For instance, if the following text is selected:

# abc

def

And then the command Increase heading levels is run, then it should result as:

## abc

def

[yzhang-gh]

Thanks for the feedback. I agree it would be better to be selection-aware.

[Dartis4]

Actually, it is designed to increase/decrease the heading level under cursor (not selection).

It being designed that way is the issue. VSCode generally applies modifications like this to all lines selected, whether that is through multi-line selection or through multi-cursor selection. This particular shortcut only applies it to the beginning of whatever the first line of the selection is, which severely limits the utility of the shortcut since you might as well just type in the characters rather than use the shortcut.