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18.3 Saving Rectangles in Registers
A register can contain a rectangle instead of linear text. The rectangle is represented as a list of strings. See section Rectangles, for basic information on how to specify a rectangle in the buffer.
- C-x r r r
Copy the region-rectangle into register r (
copy-rectangle-to-register
). With numeric argument, delete it as well.- C-x r i r
Insert the rectangle stored in register r (if it contains a rectangle) (
insert-register
).
The C-x r i r command inserts a text string if the register contains one, and inserts a rectangle if the register contains one.
See also the command sort-columns
, which you can think of
as sorting a rectangle. See section Sorting Text.