Man pages matching name xml::parser::lite::tree in section 3pm:

XML::Parser::Lite::Tree.3pm.en	debian 10 / libxml-parser-lite-tree-perl
XML::Parser::Lite::Tree.3pm.en	debian 11 / libxml-parser-lite-tree-perl
XML::Parser::Lite::Tree.3pm.en	debian 12 / libxml-parser-lite-tree-perl