From 3b15ed7c6cc71e3455c1b8ab3123b1964f94ddf9 Mon Sep 17 00:00:00 2001
From: Barrett Ruth <br.barrettruth@gmail.com>
Date: Thu, 5 Mar 2026 22:07:53 -0500
Subject: [PATCH] docs: document `extra_args` provider field

---
 doc/preview.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/preview.txt b/doc/preview.txt
index 383a8f5..b4b74f5 100644
--- a/doc/preview.txt
+++ b/doc/preview.txt
@@ -68,6 +68,10 @@ Provider fields: ~
                                         receives a |preview.Context| and
                                         returns a string[].
 
+  {extra_args}       (string[]|function) Appended to {args} after evaluation.
+                                        Useful for adding flags to a preset
+                                        without replacing its defaults.
+
   {cwd}              (string|function)  Working directory. If a function,
                                         receives a |preview.Context|.
                                         Default: git root or file directory.