2.6 RDF Blank Nodes
RDF blank nodes in Turtle are expressed as _: followed by a blank node label which is a series of name characters. The characters in the label are built upon PN_CHARS_BASE, liberalized as follows:
• The characters _ and digits may appear anywhere in a blank node label.
• The character . may appear anywhere except the first or last character.
• The characters -, U+00B7, U+0300 to U+036F and U+203F to U+2040 are permitted anywhere except the first character.
I suspect that there is an error in the Turtle specification, in the section shown in the screen-shot.
(It relates to JSON-LD, which ActivityPub / ActivityStreams is built on.)
I suspect that "PN_CHARS_BASE" is an error.
Because other parts of other […]
[Original post on mastodon.social]