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Re: URL decoding changed semantics of + in URLs

From
Jasper St. Pierre <jstpierre@mecheye.net>
Date
Jul 23, 2010, 14:25 UTC
Message-ID
<AANLkTikRFCmE8BeB6G107cz6ZPxWtq=j-PmmX59pR5zj@mail.gmail.com>
In-Reply-To
<AANLkTinsixPihZRtduuB_0puX_ucC0HYqHPU0UJMX2e-@mail.gmail.com>

Yep. http://www.ietf.org/rfc/rfc2396.txt defines '+' as a reserved character, but doesn't give a purpose for it. www-form-encoded replaces space with '+' but in a URL it can mean anything it wants.

On Fri, Jul 23, 2010 at 10:10 AM, Ævar Arnfjörð Bjarmason <avarab@gmail.com> wrote:

Show 16 quoted lines
> On Fri, Jul 23, 2010 at 13:18, Thomas Rast <trast@student.ethz.ch> wrote:
>
>> doesn't say much about + and the only escaping defined is the usual
>> %xx style.  So is there a standard that mandates this, or was it just
>> a well-meaning but unnecessary backwards incompatible change?
>
> + and %20 are as far as I know only interchangable in *query strings*,
> so having to clone 'git://git.gnome.org/gtk%2B' where you could
> previously clone 'git://git.gnome.org/gtk+' is a bug. Git shouldn't be
> changing that + to a %20.
>
> I haven't followed why we need to escape + to %20 at all, even in the
> query string. E.g. curl(1) doesn't do that before sending requests to
> Apache, which can handle either one. The + v.s. %20 duality is always
> handled at the server AFAIK.
>
Previous: Ævar Arnfjörð BjarmasonNext: Thomas Rast
Message 4 of 18 in “URL decoding changed semantics of + in URLs”
  1. Thomas RastJul 23, 2010
  2. Thomas RastJul 23, 2010
  3. Ævar Arnfjörð BjarmasonJul 23, 2010
  4. Jasper St. PierreJul 23, 2010
  5. Do not unquote + into ' ' in URLsThomas Rast, Jul 23, 2010
  6. Ævar Arnfjörð BjarmasonJul 23, 2010
  7. Junio C HamanoJul 23, 2010
  8. Thomas RastJul 23, 2010
  9. Do not unquote + into ' ' in URLsThomas Rast, Jul 24, 2010
  10. Jasper St. PierreJul 31, 2010
  11. Thomas RastJul 31, 2010
  12. Ralf EbertAug 6, 2010
  13. Jeff KingJul 26, 2010
  14. Ævar Arnfjörð BjarmasonJul 26, 2010
  15. Jasper St. PierreJul 26, 2010
  16. Matthieu MoyJul 26, 2010
  17. Ævar Arnfjörð BjarmasonJul 26, 2010
  18. Jasper St. PierreJul 26, 2010

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