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https://issues.apache.org/jira/browse/SLING-12776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17954536#comment-17954536
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Konrad Windszus commented on SLING-12776:
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After thinking more about this I don't think this can be introduced now without
backwards compatibility issues. Although escaping automatically when creating a
new resource/property will probably work, automatically unescaping might
destroy resource/property names which have been created previously without that
escaping.
> Automatically (un)escape illegal JCR characters in resource/property names
> --------------------------------------------------------------------------
>
> Key: SLING-12776
> URL: https://issues.apache.org/jira/browse/SLING-12776
> Project: Sling
> Issue Type: Improvement
> Components: JCR
> Affects Versions: JCR Resource 3.3.2
> Reporter: Konrad Windszus
> Priority: Major
>
> For JR2 and Oak the defacto standard for dealing with unsupported JCR
> characters in node/property names is using
> [o.a.j.util.Text.escapeIllegalJcrChars|https://jackrabbit.apache.org/api/2.14/org/apache/jackrabbit/util/Text.html#escapeIllegalJcrChars-java.lang.String-]
> which resembles URI encoding. Compare also with
> https://jackrabbit.apache.org/archive/wiki/JCR/EncodingAndEscaping_115513396.html.
> However the JCR Resource provider currently just simply fails for invalid
> names (when writing) and does not unescape those names when reading.
> As the Sling API does not define any limitations on resource names (except
> for "/" which is used as path separator) I would expect that invalid
> characters are transparently handled by the underlying provider.
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