v1.11.1

• fetch relations from rfc-editor.org instead of xml2rfc.tools.ietf.org

v1.11.0

• update grammar

v1.10.6

• rfcsubseries skip relation if it's not available to fetch
• fix issue #75
• fix issue #76

v1.10.5

• fix issue #72

v1.10.4

• fix issue #70

v1.10.3

• fix issue #65
• fix issue #69

v1.10.2

• ietf-ribose/relaton-data-ids#12

v1.10.1

• fix issue relaton/relaton#98

v1.10.0

• fix issue #62
• update grammar

v1.9.13

• fix contributor name parsing