==> :: building docs
osx:/etc/xml/catalog:2:78:E: name expected
osx:/etc/xml/catalog:2:18:E: cannot find "PUBLIC"; tried "/etc/xml/PUBLIC", "/usr/share/sgml/PUBLIC", "/usr/share/xml/PUBLIC"
osx:arping.sgml:1:0:E: prolog can't be omitted unless CONCUR NO and LINK EXPLICIT NO and either IMPLYDEF ELEMENT YES or IMPLYDEF DOCTYPE YES
osx:arping.sgml:1:0:E: no document type declaration; will parse without validation
osx:arping.sgml:6:22:W: cannot generate system identifier for general entity "snapshot"
osx:arping.sgml:6:22:E: general entity "snapshot" not defined and no default entity
osx:arping.sgml:6:30:E: reference to entity "snapshot" for which no system identifier could be generated
osx:arping.sgml:6:21: entity was defined here
osx:arping.sgml:176:1:W: cannot generate system identifier for general entity "lt"
osx:arping.sgml:176:1:E: general entity "lt" not defined and no default entity
osx:arping.sgml:176:3:E: reference to entity "lt" for which no system identifier could be generated
osx:arping.sgml:176:0: entity was defined here
osx:arping.sgml:176:25:W: cannot generate system identifier for general entity "gt"
osx:arping.sgml:176:25:E: general entity "gt" not defined and no default entity
osx:arping.sgml:176:27:E: reference to entity "gt" for which no system identifier could be generated
osx:arping.sgml:176:24: entity was defined here
osx:arping.sgml:179:3:E: reference to entity "lt" for which no system identifier could be generated
osx:arping.sgml:176:0: entity was defined here
osx:arping.sgml:179:26:E: reference to entity "gt" for which no system identifier could be generated
osx:arping.sgml:176:24: entity was defined here
    Aborting...