Also use string or port in nquads parser

Julien LepillerFri Oct 09 00:19:45+0200 2020

3c31417

guile-rdf/turtle
namelast commitdate
fromrdf.scmAdd initial turtle producerSun Apr 05 16:22:11+0200 2020
parser.scmFix local escape parsingThu Apr 02 04:28:13+0200 2020
tordf.scmAlso use string or port in nquads parserFri Oct 09 00:19:45+0200 2020