And from the Chicago Manual of Style (a bit more authoritative on grammar than Stack Exchange 
) … “[a]n abbreviation that ends with a period must not be left hanging without it”. (Which is actually the issue in the example above.)
And from the Chicago Manual of Style (a bit more authoritative on grammar than Stack Exchange ) … “[a]n abbreviation that ends with a period must not be left hanging without it”. (Which is actually the issue in the example above.)