Valued DW-team, valued user,
my person just came across this "phenomena"
here.
When using m-bbc code certain characters would not be displayed (at least on my persons mobil-view)
[ m ]{{gallery>user:johann:gallery:archiv2014:?showname&2&datesort}}[/ m ]
Sreenshot attached. skiping ":?"
When trying to go to desktop-view a white page with the text "invalid parameters would appear.
May the info be welcome and of use for you here.