The Google Advanced News web page Author field provides this example: e.g. John Smith or "John Smith". The trivial bug is that the two suggested searches are not equivalent.
The first query runs this search author:John author:Smith and finds news articles that have John Smith, John, or Smith as authors. The second query runs this different search author:"John Smith" and finds news articles that have John Smith as an author.
The first query runs this search author:John author:Smith and finds news articles that have John Smith, John, or Smith as authors. The second query runs this different search author:"John Smith" and finds news articles that have John Smith as an author.
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