Add constructive comments, bug reports, or discuss improvements (see the guideline).
Do not document the script here (the author should do that on vim.org).
This page may be out of date: check the script's vim.org page above, and its release notes.
Columns are separated by spaces. The script provides a mapping to quickly swap columns in one line, or in multiple selected lines. When working in one line, this allows words (separated by spaces) to be quickly swapped.