L.A. = the abbreviated way to denote the city of Los Angeles (two words), just like we do with people's formal names. J. K. Rowland can be referred to as J.K., per 16CMS 7.62 and 8.4.
I find this error often in the manuscripts I copyedit.
Only twenty more days until Christmas!
Denise Barker, Author, Blogger, Copy Editor
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