Daniel Mendler <mail@daniel-mendler.de> writes:

> Add new option value `title' to the customization option
> `ibuffer-use-header-line'.  For this value show the column titles in the
> Ibuffer header line.

I have attached an improved version of the patch to this mail. I have
added an "@" interactive spec to the sort commands, such that clicking
on the header line works when the Ibuffer window is not selected.

Daniel