Man pages matching name tickit::widget::placegrid in section 3pm:

Tickit::Widget::Placegrid.3pm.en	debian 10 / libtickit-widgets-perl
Tickit::Widget::Placegrid.3pm.en	debian 11 / libtickit-widgets-perl
Tickit::Widget::Placegrid.3pm.en	debian 12 / libtickit-widgets-perl