[Webkit-unassigned] [Bug 140488] New: WebKit ignores HTML <base> when resolving URIs like xlink:href="#foo", in SVG within HTML
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Wed Jan 14 20:02:21 PST 2015
https://bugs.webkit.org/show_bug.cgi?id=140488
Bug ID: 140488
Summary: WebKit ignores HTML <base> when resolving URIs like
xlink:href="#foo", in SVG within HTML
Classification: Unclassified
Product: WebKit
Version: 528+ (Nightly build)
Hardware: All
OS: Linux
Status: NEW
Severity: Normal
Priority: P2
Component: SVG
Assignee: webkit-unassigned at lists.webkit.org
Reporter: dholbert at mozilla.com
CC: zimmermann at kde.org
Created attachment 244675
--> https://bugs.webkit.org/attachment.cgi?id=244675&action=review
testcase 1
STEPS TO REPRODUCE:
View attached testcase.
(which is a slightly tweaked version of https://bug1121708.bugzilla.mozilla.org/attachment.cgi?id=8549260 )
EXPECTED RESULTS
One blue rect.
ACTUAL RESULTS:
Two blue rects.
Please use labels and text to provide additional information.
The second blue rect is from a <use> element, with xlink:href="#original-rect". The problem is, there's a <base> element, which is supposed to set the base URL to be used when resolving relative URLs in attributes in the document (including this xlink:href attribute), as described at https://html.spec.whatwg.org/multipage/semantics.html#the-base-element
So, the xlink:href="#original-rect" URL *should* be interpreted as "/foo#original-rect", which doesn't resolve to anything (in this case), so nothing should show up.
See also https://bugzilla.mozilla.org/show_bug.cgi?id=1121708 for a discussion of how this works in Firefox. I'm filing this bug here in the hopes of getting interoperability on this.
NOTE: I filed this on Blink here: https://code.google.com/p/chromium/issues/detail?id=449027
VERSION INFO:
WebKit version tested: Midori version 0.4.3, which reports itself as using "WebKitGTK+" version "1.10.1 (2.4.6)" (in about:version)
I also tested Safari 8 on OS X Yosemite. Same results in each. (and in Chrome)
Firefox matches my EXPECTED RESULTS.
See https://bugzilla.mozilla.org/show_bug.cgi?id=1121708 for discussion on Firefox's behavior.
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