Unexpected line duplication behavior

[pewscorner]

When I run "Duplicate and increment all numbers" (or certain other operations) with a single selection, I would expect a copy of the selection (including newline characters) to be inserted at the cursor position. But what actually happens is that the selection is treated like a column, and a copy of that column is inserted as a new column to the right of the original column.

Example of original text with a single selection:

Actual result after "Duplicate and increment all numbers":

Expected result:

Note that the final selection in the expected result above allows the operation to be repeated in a meaningful way - unlike the selection in the actual result.

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In the case of multiple selections, the behavior is almost as expected, except that the final selection is still weird.

Example of original text with multiple selections:

Actual result after "Duplicate and increment all numbers":

Expected result:

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To summarize: The current behavior does not support line duplication at all - only column duplication. I propose to fix this so both line and column duplication is supported in the expected way, i.e. each selection should be duplicated along with any newlines it includes.

String Manipulation 0.7.25
VS Code 1.96.4
Windows 11