* Document use of filter columns in pickers.
Filtering on columns was implemented in #9647.
The only documentation I could find on this feature
was the PR itself, and the video demo used a different syntax.
* Note that column filters are space-separated.
* Note that picker filters can be abbreviated.
* Specify correct picker in docs.
* Clarify picker filter prefix shortenting.
Co-authored-by: Michael Davis <mcarsondavis@gmail.com>
* Move picker docs to their own section.
* Update book/src/pickers.md
Co-authored-by: Michael Davis <mcarsondavis@gmail.com>
* Improve docs on picker registers, keybinds, and syntax.
* Clarify wording around picker queries.
Co-authored-by: Michael Davis <mcarsondavis@gmail.com>
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Co-authored-by: Ryan Roden-Corrent <ryan@rcorre.net>
Co-authored-by: Michael Davis <mcarsondavis@gmail.com>
Ryan Roden-Corrent