[1]	`nquadsDoc`	::=	statement? (EOL statement)`*` EOL?
[2]	`statement`	::=	subject predicate object graphLabel? '`.`'
[3]	`subject`	::=	IRIREF `\|` BLANK_NODE_LABEL
[4]	`predicate`	::=	IRIREF
[5]	`object`	::=	IRIREF `\|` BLANK_NODE_LABEL `\|` literal
[6]	`graphLabel`	::=	IRIREF `\|` BLANK_NODE_LABEL
[7]	`literal`	::=	STRING_LITERAL_QUOTE ('`^^`' IRIREF `\|` LANGTAG)?
Productions for terminals
[144s]	`LANGTAG`	::=	'`@`' [`a-zA-Z`]`+` ('`-`' [`a-zA-Z0-9`]`+`)`*`
[8]	`EOL`	::=	[`#xD#xA`]`+`
[10]	`IRIREF`	::=	'`<`' ([^#x00-#x20<>"{}\|^`\] `\|` UCHAR)`*` '`>`'
[11]	`STRING_LITERAL_QUOTE`	::=	'`"`' ([`^#x22#x5C#xA#xD`] `\|` ECHAR `\|` UCHAR)`*` '`"`'
[141s]	`BLANK_NODE_LABEL`	::=	'`_:`' (PN_CHARS_U `\|` [`0-9`]) ((PN_CHARS `\|` '`.`')`*` PN_CHARS)?
[12]	`UCHAR`	::=	'`\u`' HEX HEX HEX HEX `\|` '`\U`' HEX HEX HEX HEX HEX HEX HEX HEX
[153s]	`ECHAR`	::=	'`\`' [`tbnrf"'\`]
[157s]	`PN_CHARS_BASE`	::=	[`A-Z`] `\|` [`a-z`] `\|` [`#x00C0-#x00D6`] `\|` [`#x00D8-#x00F6`] `\|` [`#x00F8-#x02FF`] `\|` [`#x0370-#x037D`] `\|` [`#x037F-#x1FFF`] `\|` [`#x200C-#x200D`] `\|` [`#x2070-#x218F`] `\|` [`#x2C00-#x2FEF`] `\|` [`#x3001-#xD7FF`] `\|` [`#xF900-#xFDCF`] `\|` [`#xFDF0-#xFFFD`] `\|` [`#x10000-#xEFFFF`]
[158s]	`PN_CHARS_U`	::=	PN_CHARS_BASE `\|` '`_`' `\|` '`:`'
[160s]	`PN_CHARS`	::=	PN_CHARS_U `\|` '`-`' `\|` [`0-9`] `\|` `#x00B7` `\|` [`#x0300-#x036F`] `\|` [`#x203F-#x2040`]
[162s]	`HEX`	::=	[`0-9`] `\|` [`A-F`] `\|` [`a-f`]