addon notifyall: smarty escaping issue

Steps to reproduce the problem

Got to:
https://example.com/admin/addons/notifyall

Administration - Addons

Notifyall - 1.0 : Disable

Send admin email message to all account holders. <b>-><a href=/notifyall TARGET = "_blank">send now!</a><-</b>

Author: Mike Macgirvin (Inital Author of the hubbwall Addon for the Hubzilla Project), Rabuzarus

...

Friendica version you encountered the problem

2018.12.-rc

该提问来源于开源项目：friendica/friendica