Fix langtag parsing

Julien LepillerWed Apr 01 03:28:17+0200 2020

e4fcd88

guile-rdf/turtle
namelast commitdate
parser.scmFix langtag parsingWed Apr 01 03:28:17+0200 2020
tordf.scmImprove turtle parsingWed Apr 01 03:19:56+0200 2020