util: better handle '-' in version string (
issue5302)
versiontuple() was previously only splitting on '+' and strings
like "3.9-rc" were causing it to misreport the version as
(3, None). By splitting on either '+' or '-' we can handle
our version strings with "-rc" in them.
{header}
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<id>{urlbase}{url|urlescape}</id>
<link rel="self" href="{urlbase}{url|urlescape}atom-log"/>
<link rel="alternate" href="{urlbase}{url|urlescape}"/>
<title>{repo|escape} Changelog</title>
{latestentry%feedupdated}
{entries%changelogentry}
</feed>