Tag: quoted-placeholder-in-mailcap-entry Severity: warning Check: mailcap Explanation: The %s placeholder in a mailcap entry is quoted. That is considered unsafe. Proper escaping should be left to the programs using the entry. . Please remove the single or double quotes around %s. See-Also: Bug#33486, Bug#90483, Bug#745141, https://tools.ietf.org/rfc/rfc1524.txt, http://bugs.debian.org/745141#17, https://lists.debian.org/debian-user/2005/04/msg01185.html