From ea2cb65942b8641855826c031b497613ca5ae629 Mon Sep 17 00:00:00 2001
From: Ryan Roden-Corrent <ryan@rcorre.net>
Date: Wed, 17 Jul 2024 20:43:28 -0400
Subject: [PATCH] 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.
---
 book/src/keymap.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/book/src/keymap.md b/book/src/keymap.md
index 402b83ef7527..777c06edaca4 100644
--- a/book/src/keymap.md
+++ b/book/src/keymap.md
@@ -452,6 +452,10 @@ Keys to use within picker. Remapping currently not supported.
 | `Ctrl-t`                     | Toggle preview                                             |
 | `Escape`, `Ctrl-c`           | Close picker                                               |
 
+In pickers, you can filter specific columns by prefixing the column name with `%`.
+For example, in the file picker, `init %path .proto` searches for files ending
+in ".proto" containing the text "init".
+
 ## Prompt
 
 Keys to use within prompt, Remapping currently not supported.