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bug#24950: 25.1; shr-string-pixel-width cannot be called from a dedicate
bug#24950: 25.1; shr-string-pixel-width cannot be called from a dedicated buffer
Sun, 20 Nov 2016 18:28:19 +0200
> From: David Bremner <email@example.com>
> Date: Tue, 15 Nov 2016 22:42:57 -0400
> 1) emacs -Q
> 2) in *scratch*, evaluate the following code
> (require 'shr)
> (set-window-dedicated-p (selected-window) t)
> (shr-string-pixel-width "-")
> you get an error from set-window-buffer complaining that the window is
> dedicated to *scratch*.
Thanks for the recipe. Does the patch below solve your problem?
diff --git a/lisp/net/shr.el b/lisp/net/shr.el
index 2c8ff79..18bc7b8 100644
@@ -518,6 +518,9 @@ shr-pixel-column
(if (not (get-buffer-window (current-buffer)))
+ ;; Avoid errors if the selected window is a dedicated one,
+ ;; and they just want to insert a document into it.
+ (set-window-dedicated-p nil nil)
(set-window-buffer nil (current-buffer))
(car (window-text-pixel-size nil (line-beginning-position) (point))))
(car (window-text-pixel-size nil (line-beginning-position) (point))))))