RFC 6020, "YANG - A Data Modeling Language for the Network Configuration Protocol (NETCONF)", October 2010

Errata ID: 4292
Status: Verified
Type: Technical
Publication Format(s) : TEXT
Reported By: Cesar Crusius
Date Reported: 2015-03-07
Verifier Name: Benoit Claise
Date Verified: 2015-03-10

Section 12 says:

   type-stmt           = type-keyword sep identifier-ref-arg-str optsep
                         (";" /
                          "{" stmtsep
                              type-body-stmts
                          "}")

It should say:

   type-stmt           = type-keyword sep identifier-ref-arg-str optsep
                         (";" /
                          "{" stmtsep
                              [ type-body-stmts ]
                          "}")

Notes:

Every statement that can end with a single ';' should also accept ending with '{ stmtsep }' (that is what the 'stmtend' rule implies). This is the only instance I found so far of a statement that does not follow this rule.

The other option would be to replace all ";" in rules like that with 'stmtend'.

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