[feature request] Copy specified range of lines

[Abay11]

I think this would be very useful feature. I often copy many lines of text and I need to sit and select lines and scroll it down manually. If you think too it would be useful, I can open a PR with changes

[Abay11]

Or let's implement selection with Shift + PgUp/PgDown for quicker selection

[nowhszh]

This feature seems to already exist

[Abay11]

@nowhszh, oh, thanks for response. I didn't know about it

[nowhszh]

You can also select by shortcut keys, first click the left mouse button to select the start line, then press the shift button and click the left mouse button to select the end line at the same time.