Non-terminal symbol `KeyValSep_opt`

Defining rules for nonterminal symbol KeyValSep_opt:

`KeyValSep_opt`
		`KEYVALSEP`

Occurrences of symbol KeyValSep_opt in body of other rules:

`NSPrefixKey`		`NSPREFIX` `KeyValSep_opt`
`LocalNameKey`		`LOCALNAME` `KeyValSep_opt`
`AttributesKey`		`ATTRIBUTES` `KeyValSep_opt`
`Attribute`		`SYMBOL` `KeyValSep_opt` `AttributeValue`
`ChildrenKey`		`CHILDREN` `KeyValSep_opt`

Non-terminal symbol KeyValSep_opt