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bug#23253: 25.0.90; url-retrieve ignores url-mime-accept-string and most
From: |
Clément Pit--Claudel |
Subject: |
bug#23253: 25.0.90; url-retrieve ignores url-mime-accept-string and most other url variables |
Date: |
Sat, 9 Apr 2016 14:51:58 -0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 |
The doc string of url-retrieve says:
> The variables ‘url-request-data’, ‘url-request-method’ and
> ‘url-request-extra-headers’ can be dynamically bound around the
> request; dynamic binding of other variables doesn’t necessarily
> take effect.
It seems that there is no way to set ‘url-mime-encoding-string’,
‘url-mime-charset-string’, and ‘url-mime-accept-string’ for a single
asynchronous query (things work with ‘url-retrieve-synchronously’, but not with
‘url-retrieve’).
More precisely: this sends a query with ‘Accept: */*’, and prints nil:
(let ((url-mime-accept-string "abc/def"))
(url-retrieve "http://www.gnu.org/software/emacs/"
(lambda (&rest _)
(message "url-retrieve: %S"
url-mime-accept-string))))
but this sends a query with ‘Accept: abc/def’, and prints “abc/def”:
(let ((url-mime-accept-string "abc/def"))
(with-current-buffer
(url-retrieve-synchronously
"http://www.gnu.org/software/emacs/")
(message "url-retrieve: %S"
url-mime-accept-string)))
If this is exepcted, could we document the proper way to set an Accept header?
Clément.
In GNU Emacs 25.0.90.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.10.8)
of 2016-02-23 built on clem-w50-mint
Repository revision: f1dc3dc63ae4e454ca0e98eebbd80f0ba9d5c356
Windowing system distributor 'The X.Org Foundation', version 11.0.11501000
System Description: Linux Mint 17.3 Rosa
Configured features:
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GCONF GSETTINGS
NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB
TOOLKIT_SCROLL_BARS GTK3 X11
Important settings:
value of $LANG: en_US.UTF-8
value of $XMODIFIERS: @im=ibus
locale-coding-system: utf-8-unix
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- bug#23253: 25.0.90; url-retrieve ignores url-mime-accept-string and most other url variables,
Clément Pit--Claudel <=