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https://issues.apache.org/jira/browse/JENA-281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13418436#comment-13418436
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Rob Vesse commented on JENA-281:
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Yep, Damian's wording is more accurate
> Turtle parser does not support spaces in URI references
> -------------------------------------------------------
>
> Key: JENA-281
> URL: https://issues.apache.org/jira/browse/JENA-281
> Project: Apache Jena
> Issue Type: Bug
> Components: Jena
> Affects Versions: Jena 2.7.2
> Reporter: Piotr Hołubowicz
>
> According to the Turtle spec [1], spaces are allowed in URI references:
> {quote}
> [34] relativeURI ::= ucharacter*
> [41] ucharacter ::= ( character - #x3E ) | '\>'
> [38] character ::= '\u' hex hex hex hex |
> '\U' hex hex hex hex hex hex hex hex |
> '\\' |
> [#x20-#x5B] | [#x5D-#x10FFFF] // #x20 = " "
> {quote}
> However, when reading a turtle file with spaces in URI references, exception
> is thrown:
> {code}
> com.hp.hpl.jena.n3.turtle.TurtleParseException: Lexical error at line 1,
> column 6. Encountered: " " (32), after : "<a"
> at com.hp.hpl.jena.n3.turtle.ParserTurtle.parse(ParserTurtle.java:56)
> at
> com.hp.hpl.jena.n3.turtle.TurtleReader.readWorker(TurtleReader.java:33)
> at com.hp.hpl.jena.n3.JenaReaderBase.readImpl(JenaReaderBase.java:119)
> at com.hp.hpl.jena.n3.JenaReaderBase.read(JenaReaderBase.java:84)
> at com.hp.hpl.jena.rdf.model.impl.ModelCom.read(ModelCom.java:268)
> at
> com.hp.hpl.jena.ontology.impl.OntModelImpl.read(OntModelImpl.java:2241)
> (...)
> {code}
> The Turtle writer also doesn't support unescaped spaces, so for example an
> RDF graph can be uploaded to Jena in RDF/XML but downloading it in Turtle
> causes an exception similar to the above.
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