[options] file1 file2 [file3 [file4]]
on two (or three or four) files.
Each file gets its own window.
The differences between the files are highlighted.
This is a nice way to inspect changes and to move changes from one version
to another version of the same file.
See vim(1) for details about Vim itself.
When started as
the GUI will be started, if available.
In each window the ‘diff’ option will be set, which causes the differences
to be highlighted.
The ‘wrap’ and ‘scrollbind’ options are set to make the text look good.
Vertical splits are used to align the lines, as if the "-O" argument was used.
To use horizontal splits instead, use the "-o" argument.
For all other arguments see vim(1).
was made by Bram Moolenaar, with a lot of help from others.
See ":help credits" in