Man pages matching name xpdf in section 1:

xpdf.1.zh_CN	debian 10 / manpages-zh
xpdf.1.zh_TW	debian 10 / manpages-zh
xpdf.1.en	debian 10 / xpdf
xpdf.1.zh_CN	debian 11 / manpages-zh
xpdf.1.zh_TW	debian 11 / manpages-zh
xpdf.1.en	debian 11 / xpdf
xpdf.1.zh_CN	debian 12 / manpages-zh
xpdf.1.zh_TW	debian 12 / manpages-zh
xpdf.1.en	debian 12 / xpdf