Ability to navigate rows with Tab without changing what column Enter returns to

[garcia]

There's a nice ergonomic behavior of popular spreadsheet apps (Google Sheets, Excel, LibreOffice Calc) where pressing Enter returns to the last column that was selected without the Tab key. This makes it easy to fill a range of columns for multiple rows using only the keyboard.

For example, typing foo<Tab>bar<Tab>baz<Enter> does this:

Great library, by the way :)