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In Emacs, I sometimes want to kill or copy a rectangle of text such as this one:
XX first line
XX second line is longer
XX 3rd line short
I want to copy the three lines without the leading “XX” on every line. However, it is impossible to mark both corners of the required rectangle, because the first and third lines do not reach to the right edge of the rectangle that I’m after. So how would I copy the three lines above without the leading “XX” in emacs?
Start marking the rectangle from the first line and when you are at the end of the 3d line then just type spaces until the line is long enough. That’s what I usually do.
After copying you can type
M-\(delete-horizontal-space) to remove the added spaces.