Man pages matching name gdk-pixbuf-pixdata in section 1:

gdk-pixbuf-pixdata.1.en	debian 10 / libgdk-pixbuf2.0-bin
gdk-pixbuf-pixdata.1.en	debian 11 / libgdk-pixbuf2.0-bin
gdk-pixbuf-pixdata.1.en	debian 12 / libgdk-pixbuf2.0-bin