Bug #3203: Default namespace XHTML not appearing in namespace-uri-from-prefix() - SaxonJS - Saxonica Developer Community

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Bug #3203

closed

Default namespace XHTML not appearing in namespace-uri-from-prefix()

Added by John Lumley over 7 years ago. Updated over 7 years ago.

Status:

Closed

Priority:

Normal

Assignee:

John Lumley

Category:

Sprint/Milestone:

Start date:

2017-04-14

Due date:

% Done:

100%

Estimated time:

Applies to JS Branch:

1.0

Fix Committed on JS Branch:

1.0

Fixed in JS Release:

Saxon-JS 1.0.1

SEF Generated with:

Platforms:

Company:

Contact person:

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Description

When the default namespace has been set to xmlns="http://www.w3.org/1999/xhtml" some (but not all) browsers return "" for namespace-uri-from-prefix('',$context) - Chrome does, Firefox doesn't - it returns the XHTML URI.

The issue appears that element.lookupNamespaceURI("") isn't consistent across browsers. https://www.w3.org/TR/DOM-Level-3-Core/core.html#Node3-lookupNamespaceURI suggests using null to recover the default namespace.

Patch applied to CoreFn.namespace-uri-for-prefix