Unreleased.
</p><p><taglist>
+<tag>5.1</tag>
+ <item>Control data fields must not start with the hyphen character
+ (<tt>-</tt>), to avoid potential confusions when parsing clearsigned control
+ data files that were not properly unescaped.
+ </item>
<tag>5.4, 5.6.24</tag>
<item><tt>Checksums-Sha1</tt> and <tt>Checksums-Sha256</tt> are now
mandatory in <file>.dsc</file> files.