Appstream metadata does not validate

Submitted by Marcel Kühlhorn @tux93

Link to original bug (#15751)

Description

While packaging the update to 1.0.3 for openSUSE I noticed parole.appdata.xml not validating:

[   23s] + appstream-util validate-relax --nonet /home/abuild/rpmbuild/BUILDROOT/parole-1.0.3-0.x86_64/usr/share/metainfo/parole.appdata.xml
[   23s] /home/abuild/rpmbuild/BUILDROOT/parole-1.0.3-0.x86_64/usr/share/metainfo/parole.appdata.xml: failed to parse /home/abuild/rpmbuild/BUILDROOT/parole-1.0.3-0.x86_64/usr/share/metainfo/parole.appdata.xml: Error on line 282 char 360: `<p>` already set 'Kjo hedhje n? qarkullim zhvillim ndreq disa t? meta, gabime shkrimi, dhe holl?si historike t? pranishme n? dokumentim. Tashm? p?rpunohen etiketa n? kartela t? d?rguara p?rmes HTTP/S. Mekanizmi' and tried to replace with ' ?sht? ?aktivizuar p?r GTK+ 3.22 dhe versione m? t? rinj, p?r shkak ndryshime thelb?sore t? API-t.'

Version: 1.0.3