Improve turtle parsing

Julien LepillerWed Apr 01 03:19:56+0200 2020

944a9c3

guile-rdf/rdf
namelast commitdate
rdf.scmInitial commitTue Mar 31 04:36:06+0200 2020
xsd.scmInitial commitTue Mar 31 04:36:06+0200 2020