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https://issues.apache.org/jira/browse/JSPWIKI-1320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18139922#comment-18139922
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ASF subversion and git services commented on JSPWIKI-1320:
----------------------------------------------------------
Commit 35f412018bc8f5abd776b9a5d27ec1bbecc52701 in jspwiki's branch
refs/heads/master from Arturo Bernal
[ https://gitbox.apache.org/repos/asf?p=jspwiki.git;h=35f412018 ]
Merge branch 'master' into bug/JSPWIKI-1320
> The RSS feed of a page diffs against a version that does not exist when a
> version was deleted
> ---------------------------------------------------------------------------------------------
>
> Key: JSPWIKI-1320
> URL: https://issues.apache.org/jira/browse/JSPWIKI-1320
> Project: JSPWiki
> Issue Type: Bug
> Reporter: Arturo Bernal
> Priority: Major
> Labels: pull-request-available
>
> The RSS feed of a page describes a change with a diff between the version and
> the one before it. DefaultRSSGenerator.getPageDescription takes the previous
> version as version - 1, as its FIXME says ("Will fail when non-contiguous
> versions").
> Measured on the current master with VersioningFileProvider and the
> SvnStyleDiffProvider: I saved a page three times ("line one", then two lines,
> then three lines), deleted version 2 with PageManager.deleteVersion, and
> generated the RSS of the page for version 3. The description of the entry
> shows all three lines as added, although version 3 differs from the remaining
> version 1 only by the lines "line two" and "line three". Reading version 2
> fails with a ProviderException, which is logged at ERROR level twice, and the
> text of the missing version is taken as empty.
> Expected: the diff is made against the latest version that still exists
> before the one described.
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