extra parenthesis is reported as a SmaccTokenError and it should be properly report to the user

[Ducasse]

No description provided.

[Ducasse]

so the problem was that there was one entry later in the file that had an extra } and this one was not captured by the ruby scripts.

i.e.

@PhDThesis{Gust00a,
Author = {Gustafsson, Jan},
Title = {Analyzing Execution-Time of Object-Oriented Programs Using Abstract Interpretation},
Year = {2000}
}

@PhDThesis{Gust02a,
Author = {Gustafsson, Jan},
Title = {Analyzing Execution-Time of Object-Oriented Programs Using Abstract Interpretation},
Year = {2000}
}}
^^^^^
@PhDThesis{Gust03a,
Author = {Gustafsson, Jan},
Title = {Analyzing Execution-Time of Object-Oriented Programs Using Abstract Interpretation},
Year = {2000}
}