Pamac does not support <em> within Appstream paragraphs
The error
When running Pamac, the following issue occurs:
$ pamac-manager
** (process:17604): WARNING **: 11:31:33.178: database.vala:106: Failed to parse /usr/share/app-info/xmls/community.xml.gz file: Error on line 83178 char 10: <p> already set '
OnionShare lets you securely and anonymously send and receive files. It works by starting a web server,
making it accessible as a Tor onion service, and generating an unguessable web address so others can
download files from you, or upload files to you. It does ' and tried to replace with ' require setting up a separate server
or using a third party file-sharing service.
'
By opening the file, the content is as following:
83174 <developer_name>Micah Lee</developer_name>
83175 <description>
83176 <p>
83177 OnionShare lets you securely and anonymously send and receive files. It works by starting a web server,
83178 making it accessible as a Tor onion service, and generating an unguessable web address so others can
83179 download files from you, or upload files to you. It does <em>not</em> require setting up a separate server
83180 or using a third party file-sharing service.
83181 </p>
83182 <p>
83183 If you want to send files to someone, OnionShare hosts them on your own computer and uses a Tor onion
83184 service to make them temporarily accessible over the internet. The receiving user just needs to open the web
83185 address in Tor Browser to download the files. If you want to receive files, OnionShare hosts an anonymous
83186 dropbox directly on your computer and uses a Tor onion service to make it temporarily accessible over the
83187 internet. Other users can upload files to you from by loading the web address in Tor Browser.
83188 </p>
83189 </description>
83190 <pkgname>onionshare</pkgname>
Expected
Pamac works as intended.
Additional info
The paragraph should be correctly parsed as (at least) specification 0.12 of Appstream metadata: https://www.freedesktop.org/software/appstream/docs/chap-Metadata.html#tag-description