Man pages matching name glib-gettextize in section 1:

glib-gettextize.1.en	debian 10 / libglib2.0-dev-bin
glib-gettextize.1.en	debian 11 / libglib2.0-dev-bin
glib-gettextize.1.en	debian 12 / libglib2.0-dev-bin