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-rw-r--r--modules/eww-config.el7
1 files changed, 7 insertions, 0 deletions
diff --git a/modules/eww-config.el b/modules/eww-config.el
index a5271f6bc..ff7ddc211 100644
--- a/modules/eww-config.el
+++ b/modules/eww-config.el
@@ -44,6 +44,13 @@
:type 'string
:group 'my-eww-user-agent)
+;; This file is lexical-binding, so `let'-binding url.el's special var below
+;; needs it declared special at compile time. Without this the byte-compiled
+;; advice binds `url-request-extra-headers' lexically and the injected
+;; User-Agent never reaches `url-retrieve' (it reads the dynamic value) -- the
+;; UA injection silently no-ops in compiled production, and the test sees nil.
+(defvar url-request-extra-headers)
+
(defun my-eww--inject-user-agent (orig-fun &rest args)
"Set a User-Agent only when making requests from an EWW buffer."
(if (derived-mode-p 'eww-mode)